Cypress Semiconductor EZ-Host CY7C67300 Bedienungsanleitung

CY7C67300 EZ-Host™ Programmable Em bedded USB Host and Peripheral Controller with Automotive AEC Grade Support Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 38-08015 Rev . *J Revised July 28, 2008 EZ-Host Features ■ Single chip programmable USB dual-role (Host/Pe ripheral) co[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 2 of 99 Introduction EZ-Host™ (CY7C67300) is Cypress Semiconductor ’s first full-speed, low cost multipo rt hos t/peripheral controller. EZ-Host is designed to easily i nterface to most high performance CPUs to add USB host functionality . EZ-Host has its own 16-bit RISC processor to act as a coproce[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 3 of 99 USB Interface EZ-Host has two built in Host/Peripheral SIEs and four USB tran sceivers that meet the USB 2.0 specification requirements for fu ll and low speed (high speed is not supported). In Host mode , EZ-Host su p ports four downstream ports, each suppo rt control, interrupt, bulk, and isoch[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 4 of 99 USB Features ■ USB 2.0-compliant for full and low speed ■ Up to four downstream USB host ports ■ Up to two upstream USB peripheral ports ■ Configurable endpoint buffers (pointer and length), must re side in internal RAM ■ Up to eight available peripheral endpoints (one control endpoint)[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 5 of 99 External Memory Interface EZ-Host provides a robust interface to a wide variety of external memory arrays. All available ex ternal memory array locations can contain either code or data. The CY16 RISC processor directly addresses a flat memory space from 0x0000 to 0xFFFF . External Memory Interfa[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 6 of 99 External Memory Interface Pins External Memory Interface Block Diagrams Figure 2 illustrates how to connect a 64k × 8 memory array (SRAM/ROM) to the EZ-Host ex ternal memory interface. Figure 3 illustrates the interface for connecting a 16-bit ROM or 16-bit RAM to the EZ-Host extern al memory in[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 7 of 99 Figure 4 illustrates the int erface for conne cting an 8-bit ROM or 8-bit RAM to th e EZ-Host ex ternal mem ory interface. In 8-bit mode, up to 512 K bytes of externa l ROM or RAM are supported. General Purpose IO Inte rface (GPIO) EZ-Host has up to 32 GPIO signals available. Several other option[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 8 of 99 SPI Pins The SPI port has a few different pin location optio ns as shown in Ta b l e 9 . The port location is selectable via t he GPIO control register [0xC006]. High-Spee d Serial Interface EZ-Host provides an HSS i nterface. The HSS i nterface is a programmable serial conn ection with baud rat [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 9 of 99 Host Port Interface EZ-Host has an HPI interface . The HPI inte rface provide s DMA access to the EZ-Host internal memory by an external host, plus a bidirectional mailbox register for supporting h igh level commu- nication protocols. Th is port is designed to be the primary high-speed connectio [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 10 of 99 IDE Features ■ Programmable IO mod e 0–4 ■ Block mode transfers ■ Direct memory access to/from internal memory through the IDE data register IDE Pins Charge Pump Interface VBUS for the USB OTG po rt can be produced by EZ-H ost using its built in charge pump and some external compon ents.[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 1 1 of 99 Booster Inte rface EZ-Host has an on chip p ower booster circuit for use with power supplies that ra nge between 2.7V and 3 .6V . The booster circuit boosts the power to 3. 3V nominal to supply powe r for the entire chip. The booste r circuit require s an external inductor, diode, and capacitor[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 12 of 99 Boot Configuration Inte rfa ce EZ-Host can boot i nto any one of four modes. Th e mode it boots into is determine d by the TTL voltage l evel of GPIO[31:3 0] at the time nRESET is deasserted . Ta b l e 1 9 shows the different boot pin combinations possibl e. After a reset pin event occurs, the B[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 13 of 99 Minimum Hardware Require ments for St andalone Mode – Pe ripheral Only Power Savings and Reset Description This sections describes t he different modes for resetting t he chip and ways to save power . Power Saving Mode Description EZ-Host has one main power savin g mode, Sleep. For de tailed i[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 14 of 99 External (R emote) Wakeup Source There are several possible events availabl e to wake EZ-Host from Sleep mode as shown in T able 20 . These may also be used as remote wakeup options for USB applica tions. See the Power Control Register [ 0xC00A] [R/W] on page 19 for details. Upon wakeup, cod e b[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 15 of 99 Figure 10. Memory Map HW INT's SW INT's 0x0000 - 0x00FF Primary Registers Swap Registers USB Registers HPI Int / Mail box Slave Setup Packet BIOS USER SPACE ~15K Internal Memory External Memory Control Registers USER SPACE 16K USER SPACE ~8K 01 Extended Page 1 USER SPACE Up to 64 8K Ba[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 16 of 99 Registers Some registers have different functions for a read vs. a write access or USB host vs. USB de vi ce mode. Therefore , registe rs of this type ha ve multiple definitions for the same address. The default reg ister values listed in this data sheet may be altered to some other valu e duri [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 17 of 99 Bank Register [0xC002] [R /W ] Register Descrip tion The Bank register maps registers R0–R15 into RAM. The elev en M SBs of this register are used as a base address for registers R0–R15. A register add ress is automatically gene rat ed by: 1. Shifting the four LSBs of the register address le[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 18 of 99 CPU Speed Register [0xC008] [R/W] Register Descrip tion The CPU S peed regist er allows the processor to operate at a user selected speed. This register onl y affects the CPU, all other peripheral timing is still based on the 48 MHz system clock (unle ss otherwise noted). CPU Speed (Bits[3:0]) T[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 19 of 99 Power Control Register [0xC00A] [R/W] Register Descrip tion The Power Control register co nt rols the power d own and wakeup options. Either t he sleep mode or t he halt mode opt ions can be selected. All othe r writable bit s in this register can be used as a wakeup source while in sleep mode. [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 20 of 99 Boost 3V OK (Bit 2) The Boost 3V OK bit i s a read only bit that return s the status of the OTG Boost circuit. 1: Boost circuit not ok and internal voltage rails are below 3.0V 0: Boost circuit ok and in ternal vo ltage rails are at or above 3.0V Sleep Enable (Bit 1) Setting this bit to ‘1’ [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 21 of 99 HSS Interrupt Enable (Bit 7) The HSS Interrupt Enable bit enables or disabl es the following High-speed Serial Inte rface hardware interrupts: HSS Block Done and HSS RX Full. 1: Enable HSS interrupt 0: Disable H SS interru pt In Mailbox Int errupt Enable (Bit 6) The In Mailbox Int errupt Enable [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 22 of 99 USB Diagnostic Register [0xC03C] [R/W] Register Descrip tion The USB Diagnostic register provide s control of diagnostic modes. It is inte nded for use by devi ce characterization t ests, not for normal operations. This regi ster is read/w rite by t he on-chip CPU but is writ e-only via the HPI [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 23 of 99 Memory Diagnostic Register [0xC03E] [W] Register Descrip tion The Memory Diagnostic register p rovides control of diagnostic modes. Memory Arbitr ation Select (Bits[10:8]) The Memory Arbitration Sele ct field is defined in Ta b l e 3 4 . Monitor Enable (Bit 0) The Monitor Enable bit ena bles or [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 24 of 99 Extended Page n Map Register [R/W] ■ Extended Page 1 Map Register 0xC018 ■ Extended Page 2 Map Register 0xC01A Register Descrip tion The Extended Page n Map register contains the Page n high-order address bits. These bits are always a ppended to accesses to the Page n Memory mapped space. Ad[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 25 of 99 External Memory Control R egister [0xC03A] [R/W] Register Descrip tion The External Memory Control register provides control of Wait S tates for the external SRAM or ROM. All wait states are b ased off of 48 MHz. XRAM Merge Enable (Bit 13) The XRAM Merge Enable bit enables or di sables the RAM m[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 26 of 99 Watchdog Timer Register [0xC00C] [R/W] Register Descrip tion The W atchdog Timer register provides status and control over the W atchdog timer. The W atchdog timer can al so interrupt the processor . Tim eo ut Fl ag (Bit 5) The T imeout Flag bi t indicates if the W atchdog timer expired. The pro[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 27 of 99 Timer n Register [R/W] ■ T imer 0 Register 0xC010 ■ T imer 1 Register 0xC012 Register Descrip tion The T imer n Register sets the Timer n count. Both Timer 0 and T imer 1 decrement by one every 1 µs clock ti ck. Each can provide an interrupt to the CPU when the timer reaches zero. Count (Bi[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 28 of 99 Port B D– St atus (Bit 14 ) The Port B D– S tatus bit is a read only bit that indicates the value of DA T A– on Port B. 1: D– is HIGH 0: D– is LOW Port A D+ St atus (Bit 13) The Port A D+ S tatus bit is a read only bit that indica tes the value of DA T A+ on Port A. 1: D+ is HIGH 0: D+[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 29 of 99 Port A SOF/EOP Enable (Bit 0) The Port A SOF/EOP Enable bit is only applica ble in host mode. In device mode this bit must be written as ‘0’. In host mode this bit enables or disables SOFs or EOPs for Port A. Either SOFs or EOPs are generated depending on the LOA bit in the USB n Control reg[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 30 of 99 Sequence Se le ct (Bit 6) The Sequence Select bit sets the data toggle for the next packet. This bit has no effect on receivin g data packet s; sequence checking must be hand led in firmware. 1: Send DA T A1 0: Send DA T A0 Sync Enable (Bit 5) The Sync Enable bit synchronizes the t ransfer with [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 31 of 99 Register Descrip tion The Host n Count registe r is used to hold the numbe r of bytes (packet length) for the current transaction. The maximum packet length is 102 3 bytes in ISO mode. The Host Coun t value is used to determine how many b ytes to tran smit, or the maxi mum number of bytes to rec[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 32 of 99 Sequence Status (Bit 3) The Sequence S tatus bit indicates the state of t he last re ceived data toggle from the device. Fi rmware is responsible for monitoring and han dling the sequence status. The Seque nce bit is only valid if the ACK bit is set to ‘1’ . The Sequence bit is se t to ‘0?[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 33 of 99 Register Descrip tion The Host n PID register is a writ e only register th at provides the PID and Endpoint information to the USB SI E to be used in the next transaction . PID Select (Bits [7:4]) The PID Select field is defined in T able 5 4 . ACK and NAK tokens are automaticall y sent based on[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 34 of 99 Host n Device Addr ess Register [W] ■ Host 1 Device Address Register 0xC088 ■ Host 2 Device Address Register 0xC0A8 Register Descrip tion The Host n Device Address register is a wri te only register that contains the USB Device Address that the host wants to commu- nicate with. Address (Bits[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 35 of 99 SOF/EOP Interrupt Enable (Bit 9) The SOF/EOP Interrupt En able bi t ena bles or disables the SOF/EOP timer interrupt 1: Enable SOF/EOP timer interrupt 0: Disable SOF/EOP timer interrupt Port B W ake Interr upt Enable (Bit 7) The Port B Wake Interrupt Enable bit enables or disables the remote wak[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 36 of 99 SOF/EOP Interrupt Flag (Bit 9) The SOF/EOP In terrupt Flag bit ind icates the s tatus of th e SOF/EOP T imer interrupt. This bit t riggers ‘1’ when the SOF/EOP timer expires. 1: Interrupt triggered 0: Interrupt did not trigge r Port B W ake Interr upt Flag (Bit 7) The Port B Wake Interrupt F[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 37 of 99 Host n SOF/EOP Counter Register [R] ■ Host 1 SOF/EOP Cou nter Register 0xC094 ■ Host 2 SOF/EOP Cou nter Register 0xC0B4 Register Descrip tion The Host n SOF/EOP Count er register contains the current value of the SOF/EOP down counte r . This value ca n be used to determine the time remainin [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 38 of 99 USB Device Only Registers There are eleven sets of USB Device Only registers. All sets consist of at least two regist ers, one for Device Port 1 and one f or Device Port 2. In addition, each Device port has eight possible endpoin ts. This gives each endpoint register set eight regist ers for e a[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 39 of 99 Sequence Se le ct (Bit 6) The Sequence Select bit determines whether a DA T A0 or a DA T A1 i s sent f or the ne xt data togg le. This bit ha s no effect on receiving data packets; sequence checking must be handled in firmware. 1: Send a DA T A1 0: Send a DA T A0 Stall E nab le (Bit 5) The S tal[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 40 of 99 Register Descrip tion The Device n Endpoint n Address register is used as the base pointer into m emory sp ace for th e current Endpoin t transaction . There are a total of eight endpoints for each of the two ports. All endpoints have the same definition for their Devi ce n Endpoint n Address re[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 41 of 99 Device n Endpoint n S tatus Register [R/W] ■ Device n Endpoint 0 S tatus Register [ Device 1: 0x0206 Device 2: 0x0286] ■ Device n Endpoint 1 S tatus Register [ Device 1: 0x0216 Device 2: 0x0296] ■ Device n Endpoint 2 S tatus Register [Device 1: 0x0226 Device 2: 0x02A6] ■ Device n Endpoin[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 42 of 99 underflow and the Overf low and Underflow flags (bi ts 1 1 and 10 respectively) must be checked t o determine which event occurred. 1: An over flow or unde rflow conditio n occurred 0: An overflow or underflow condition did not occur Setup Flag (Bit 4) The Setup Flag bit indicates that a setu p [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 43 of 99 The Device n Endpoint n Count Result register is a memory-based register tha t must be initialized to 0 x0000 before USB Device operations are ini tiated. After initializa tion, do not write to this re gister again. Result (Bits [15:0]) The Result field contains the differences in bytes between [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 44 of 99 supported in Port 1A). This bit is only available for Device 1 and is a reserved bi t in Device 2. 1: Enable VBUS interrupt 0: Disable VBUS interrupt ID Interrupt Enable (Bit 14 ) The ID Interrupt Enable bi t enables or disables th e OTG ID interrupt. When enab led, this interrupt triggers on bo[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 45 of 99 Error , or OUT Excep tion Error . In addition, the N AK Interrupt Enable bit in the Device n Endpoint Control registe r can also be set so that NAK responses trigger thi s interrupt. 1: Enable EP1 T ransact ion Done interrupt 0: Disable EP1 T ransaction Don e interrupt EP0 Interrupt Enable (Bit [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 46 of 99 Register Descrip tion The Device n S tatus register provide s status information for device operati on. Pending interrupts can be cl eared by writing a ‘1’ to the correspon ding bit. This register can be accessed by the HPI interface . VBUS Interrupt Flag (Bit 15) The VBUS Inter rupt Flag bi[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 47 of 99 EP2 Interrupt Flag (Bit 2) The EP2 Interrupt Flag bit i ndicates if the en dpoint two (EP2) T ransaction Done in terrupt trigge red. An EPx Transaction Done interrupt trigge rs when any of the f ollowing responses or e vents occur in a tr ansaction for th e device’s supplied EP: se nd/receive [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 48 of 99 Device n SOF/EOP Count Register [W] ■ Device 1 SOF/EOP Count Register 0xC094 ■ Device 2 SOF/EOP Count Register 0xC0B4 Register Descrip tion The Device n SOF/EOP Count regi ster is written with t he time expected between receiving a SOF/EOP . If the SOF/EOP counter expires before an SOF/EOP i[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 49 of 99 Receive Disable (Bit 12) The Receive Disable bi t enabl es or powers down (disables) t he OTG receiver section. 1: OTG receiver powered down and disabled 0: OTG receiver enabled Charge Pump Enable (Bit 1 1) The Charge Pump Enable bit enable s or disables the OTG VBus charge pump. 1: OTG VBus cha[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 50 of 99 GPIO Control Register [0xC006] [R/W] Register Descrip tion The GPIO Control registe r configures the GPIO pins for various interface optio ns. It also controls t he polarity of the GPI O interrupt on IRQ1 (GPIO2 5) and IRQ0 (GPIO24). Write Protect Enable (Bit 15) The Write Protect Enable bit ena[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 51 of 99 Interrupt 0 Polarity Select (Bit 1) The Interrupt 0 Polarity Select bit selects the polarity for IRQ0. 1: Sets IRQ0 to rising edge 0: Sets IRQ0 to falling edge Interrupt 0 Enable (Bit 0) The Interrupt 0 Enable bit enable s or disabl es IRQ0. The GPIO bit on the interrupt Enable register must als[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 52 of 99 GPIO n Direction Register [R/W] ■ GPIO 0 Direction Register 0xC022 ■ GPIO 1 Direction Register 0xC028 Register Descrip tion The GPIO n Direction register co ntrols the direction of the GPIO data pins (input/outpu t). The GPIO 0 Direct ion register control s GPIO15 to GPIO0 while t he GPIO 1 [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 53 of 99 Reserved Write all reserved bit s with ’0’. IDE S tar t Address Register [0xC04A] [R/W] Register Descrip tion The IDE S tart Address register holds the start address f or an IDE block transfer . This register is byt e addressed and IDE block transfers are 16-bit words, t herefore the LSB of [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 54 of 99 IDE S top Address Register [0xC04C] [R/ W] Register Descrip tion The IDE S top Address register holds the stop address for an ID E block transfer . This register is byt e addressed and IDE block transfers are 16-bit words, the refore the LSB of the stop address is ignored. Bl ock transfers begin[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 55 of 99 IDE PIO Port Registers [0xC050 - 0xC06F] [R/W] All IDE PIO Port regist ers [0xC050 - 0xC06F] in Ta b l e 8 8 are defined in detail in the Informa tion T ech nology-A T Attachment -4 with Packet Interface Extension (A T A/A T API-4) Specification, T13/ 1 153 D Rev 18. The table Address column den[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 56 of 99 HSS Control Register [0xC070 ] [R /W] Register Descrip tion The HSS Control register p rovides high level status and cont rol over the HSS port. HSS Enable (Bit 15) The HSS Enable bit enables or disables HSS operat ion. 1: Enables HSS operation 0: Disables HSS operati on RTS Polarity Select (Bit[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 57 of 99 T ransmit Re ady (Bit 4) The T ransmit Ready bit is a read only bit that indicat es if the HSS T ransmit FIFO is ready f or the CPU to load ne w data for trans- mission. 1: HSS transmit FIFO ready for loading 0: HSS transmit FIFO not ready for loading Packet Mode Select (Bit 3) The Packet Mode S[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 58 of 99 HSS T ransmit Gap Register [0xC074] [R/W] Register Descrip tion The HSS T ran smit Gap register is only valid in block transmit mode. It allows for a programmable number of stop bits to be inserted, thu s overwriting th e One S top Bit in the HSS Control register . The default reset value of thi[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 59 of 99 HSS Receive Address Register [0xC078] [R/W] Register Descrip tion The HSS Receive Address regist er is used as the base pointer address for the next HSS block receive transfer . Address (Bits [15:0]) The Address fiel d sets the base point er address for the next HSS block receive tran sfer . HSS[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 60 of 99 HSS T ransmit Address Regi ster [0xC07C] [R/W] Register Descrip tion The HSS T ransmit Address register is used as th e base pointer address for the next HSS block transmit transf er . Address (Bits [15:0]) The Address fiel d sets the base point er address for the next HSS block transmit tran sf[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 61 of 99 HPI Registers There are five re gisters dedicated to HPI operation. In addition, there is an HPI status port which can be addressed over HPI. Each of these registers is cove red in this section and are summa- rized in T able 98 . HPI Breakpoint Register [0x0 140 ] [R] Register Descrip tion The H[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 62 of 99 ID to HPI Enable (Bit 14) The ID to HPI Enable bit routes the OTG I D i nt errupt t o the HPI port instead of the on-chip CPU. 1: Route signal t o HPI port 0: Do not route signal to HPI port SOF/EOP2 to HPI Enable (Bit 13) The SOF/EOP2 to HPI Enabl e bit routes the SOF/EOP2 interru pt to the HPI[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 63 of 99 SIEXmsg Register [W] ■ SIE1msg Register 0x0144 ■ SIE2msg Register 0x0148 Register Descrip tion The SIEXmsg register allows an in t errupt to be generat ed on the HPI port. Any write to this register causes the SIEXm sg flag in the HPI S tatus Po rt to go high and also causes an interrupt on [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 64 of 99 HPI S tat us Port [] [HPI: R] Register Descrip tion The HPI S tatus Port provides the external host processor wi th the MailBox status bits plus several SIE status bits. This register is not accessible from the on-chip CPU. The additional SIE status bits are provided to aid external devi ce driv[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 65 of 99 Done1 Flag (Bit 2) In host mode the Done 1 Flag bit is a read only bit t hat indicates if a host packet done interrupt o ccurs on Host 1. In device mode this read only bi t indicates if an any of the endpoint inte rrupts occur on Device 1. Firmware needs to dete rmine which endpoint interrupt oc[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 66 of 99 SPI Configuration Registe r [0xC0C8] [R/W] Register Descrip tion The SPI Configuration regist er controls the SPI port. Fields apply to both master and slave mode unless ot herwise noted. 3Wire Enable (Bit 15) The 3Wire Enable bit indicat es if the MISO and MOSI data lines are tied together all [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 67 of 99 SPI Control Register [0xC0C A] [R/W] Register Descrip tion The SPI Control reg ister controls the SPI port. Fields apply to both master and slave mode unless oth erwise noted. SCK Strobe (B it 15) The SCK S trobe bit start s the SCK strobe at the selected frequency and polari ty (set in the SPI [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 68 of 99 Receive Bit Length (Bits [2:0]) The Receive Bit Length fi eld controls whether a ful l byte or partial byte is received. I f R eceive Bit Len gt h is ‘ 000’ t hen a f ull byte i s received. If Receive Bit Leng th is ‘001’ to ‘1 1 1’, then the value indicates the number of bits that a[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 69 of 99 Receive Interrupt Flag (Bit 2) The Receive Interrupt Flag is a read only bit that indicates if a byte mode receive interrupt triggere d. 1: Indicates a byte mode receive interrupt tri ggered 0: Indicates a byte mode receive interrupt did not tr igger T ransmit Interru pt Flag (Bit 1) The T ransm[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 70 of 99 CRC Enable (Bit 13) The CRC Enable bit enable s or disables the CRC operation. 1: Enables CRC operation 0: Disables CRC operation CRC Clear (Bit 12) The CRC Clear bit clears t he CRC with a load of al l ones. This bit is self clearing and always reads ‘0’ . 1: Clear CRC with all ones 0: No F[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 71 of 99 SPI Data Register [0xC0D6] [R/W] Register Descrip tion The SPI Data register contains data received on the SPI port when read. Reading it empties the eigh t byte receive FIFO in PI O byte mode. Thi s receive data is va lid when the Rece ive Interrupt Bit of the SPI S t atus register is set to ?[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 72 of 99 SPI T ransmit Count Reg ister [0xC0DA] [R /W] Register Descrip tion The SPI Transmit Count register designates the block byte length for t he SPI transmit DMA transfer . Count (Bits [10:0]) The Count field sets the count for t he SPI transmit DMA t ransfer . Reserved Write all reserved bits with[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 73 of 99 Register Descrip tion The SPI Receive Count regi ster designates the block by te length for the SPI receive DMA transfer . Count (Bits [10:0]) The Count field se ts the count for the SPI receive DMA transf er . Reserved Write all reserved bit s with ’0’. UART Registers There are thre e regis[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 74 of 99 UART S tatus Register [0xC0E2] [R] Register Descrip tion The UART S tatus regist er is a re ad only register that indica tes the status of the UART buffer . Receive Full (Bit 1) The Receive Full bit indicates whether t he receive buffer is full. It can be programmed to interrupt the CPU a s inte[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 75 of 99 PWM Registers There are eleven registe rs dedicated to PWM o peration. Each of these registers are covered in this section and summarized in T able 124 . PWM Control Register [0xC0E6] [R/W] Register Descrip tion The PWM Control register provides high level control over all four of the PWM channe[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 76 of 99 Mode Select (Bit 8) The Mode Select bit selects between cont inuous PWM cycling and one shot mode. The default is cont inuous repeat. 1: Enable One Shot mode. The mode runs the number of counter cycles set in the PWM Cycle Count register and then stops. 0: Enable Continuous mode. Runs in continu[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 77 of 99 PWM n St art Register [R/W] ■ PWM 0 S tart Reg ister 0xC0EA ■ PWM 1 S tart Reg ister 0xC0EE ■ PWM 2 S tart Reg ister 0xC0F2 ■ PWM 3 S tart Reg ister 0xC0F6 Register Descrip tion The PWM n S tart register designates where in the win dow defined by the PWM Maximum Cou nt register t o start[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 78 of 99 PWM Cycle Count R egister [0xC0F A] [R /W] Register Descrip tion The PWM Cycle Count register de signates the number of cycles to run when in one shot mode. One shot mode is enabled by setting the Mode Select bit of the PWM Control register to ‘1’. Count (Bit s [ 9:0]) The Count field desi g[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 79 of 99 Pin Diagram Pin Descriptions 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 GPIO24/INT/IORDY /IRQ0 GND A10 XTALOUT XTALIN A11 A12 A13 A14 nXMEMSEL nXROMSEL nXRAMSEL VCC A15/CLKSE L GPIO31/SCL GPIO30/S DA GPIO29/OTGID GPIO28/T X GPIO27/R X GPIO26/CTS/PWM3 GPIO25/IRQ 1 [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 80 of 99 71 D1 1/MOSI IO D1 1: External Memory Data Bus MOSI: SPI MOSI 72 D10/ SCK I O D10: External Memory Data Bus SCK: SPI SCK 73 D9/n SSI IO D9: External Memory Dat a Bus nSSI: SPI nSSI 74 D8/MISO I O D8: External Memory Data Bus MISO: SPI MISO 76 D7 IO External Memory Data Bus 77 D6 IO 78 D5 IO 79 D[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 81 of 99 41 GPIO29/O TGID IO GPIO29: General Purpose IO OTGID: Input for OTG ID pin. When used as OTGID, tie th is pin high through an external pull up resistor. Assuming V CC = 3.0V , a 10K to 40K resistor must be used. 42 GPIO28/TX IO GPIO28: General Purp ose IO TX: UAR T TX (Dat a is transmitted from [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 82 of 99 60 GPIO1 1 /D1 1/MOSI IO GPIO1 1: Gene ral Purpose IO D1 1: D1 1 for HPI or IDE MOSI: SPI MOSI 61 GPIO10/D 10/SCK IO GPIO10: General Purpose IO D10: D10 for H PI or IDE SCK: SPI SCK 65 GPIO9/D9/nSS I IO GPIO9: General Purpose IO D9: D9 for H PI or IDE nSSI: SPI nSSI 66 GPIO8/D8/MISO IO GPIO8: Ge[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 83 of 99 Absolute Maximum Ratings This section lists the absolute maximum ra tings. S tresses above those listed can cause permanent damag e to the device. Exposure to maxi mum rated conditions f or extended periods can affect device operation a nd reliability . S torage T emperature . ......... ........[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 84 of 99 USB T ransceiver USB 2.0 certified in full- an d low-speed modes. I SLEEP Sleep Current USB Peripheral: i ncludes 1.5K internal pu ll up 210 500 μ A Without 1.5K internal pul l up 5 30 μ A I SLEEPB Sleep Current with Booster Enabled USB Peripheral: includes 1.5K internal pu ll up 190 500 μ A [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 85 of 99 AC Timing Characteristics Reset T iming Clock T iming Notes 1 1. Clock is 12 MHz nominal. 12. v XI NH is required to be 3.0 V to obt ain an internal 50/5 0 duty cycle clock. T able 135. Reset Timing Parameters Parameter Description Min Ty p i c a l Max Unit t RESET nRESET P ulse Width 16 clocks [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 86 of 99 SRAM Read Cycle [15] Notes 13. 0 wait state cycle. 14. t AC External SRAM access time = 12 ns for zero and one wait stat es. T he External SRAM access ti me = 12 ns + (n – 1)*T for wait st a tes = n, n > 1, T = 48 MHz clock period. 15. Read timing is applicable for nXMEMSEL, nXRAMSEL, and n[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 87 of 99 SRAM Write Cycle [17] Notes 16. t WPW The write pulse width = 18.8 n s min. for zero and one wait st ate s. The write pulse = 1 8.8 ns + (n – 1)* T for wait stat es = n, n > 1, T = 48 MHz clock period. 17. Write timing is appli ca ble for nXMEMSEL, nXRAMSEL and nXROMSEL. T ab le 13 8. SRAM [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 88 of 99 I2C EEPROM Timing-Serial IO T able 13 9. I2C EEPROM Timing Parameters Parameter Descript ion Min T y pical Max Unit f SCL Clock Frequency 400 kHz t LOW Clock Pulse Width Low 1300 ns t HIGH Clock Pulse Width High 600 ns t AA Clock Low to Data Out V alid 900 ns t BUF Bus Idle Before New Transmissi[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 89 of 99 HPI (Host Port Int erface) W rite Cycle T iming Notes 18. T = system clock period = 1/48 MHz. T able 14 0. HPI Write Cycle Timing Parameters Parameter Description Min T yp ical Max Unit t ASU Address Setup –1 ns t AH Address Hold –1 ns t CSSU Chip Select Setup –1 ns t CSH Chip Select Hold [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 90 of 99 HPI (Host Port Interface) Read Cy cle T iming T ab le 141. HPI Read Cy cle Timing Parameters Parameter Description Min Ty p i c a l Ma x Unit t ASU Address Setup –1 ns t AH Address Hold –1 ns t CSSU Chip Select Setup –1 ns t CSH Chip Select Hold –1 ns t ACC Data Access T ime, from H PI_n[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 91 of 99 IDE Timing The IDE interface supports PIO mode 0-4 as specified in the Inform at ion T echnology-A T Attachment–4 with Packet Interface Exte nsion (A T A/A T API-4) S pecification, T13/1 153D Re v 18. HSS BYTE Mode T ransmit qt_clk, CPU_A, CPUHSS_cs, CPU_wr are internal signals, includ ed in t[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 92 of 99 Hardware CTS/RTS Handshake t CTSsetup : HSS_CTS setup time before HSS_R TS = 1.5T min. t CTShold : HSS_CTS hold time af ter ST ART bit = 0 ns min. T = 1/48 MHz. When RTS/CTS hardware handshake is en abled, transmission can be help off by deassertin g HSS_CTS at least 1.5T before HSS_RTS. T ransm[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 93 of 99 R/W 0xC00C W atchdog Timer Reserved... 0000 0000 ...Reserved T imeout Flag Period Select Lo ck Enable WDT Enable Reset St r o b e 0000 0000 R/W 0xC00E Interrupt Enable Reserved OTG Interrupt Enable SPI Interrupt Enable Reser ved Ho st/Device 2 Interrupt Enable Host/Device 1 Interrupt Enable 0000[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 94 of 99 R/W 0xC07E HSS Tran smit Counter Reserved Counter ... 0000 0000 ...Counter 0000 000 0 R/W 0xC080 0xC0A0 Host n Co ntrol Reserved 0000 0000 Preamble Enable Seque nce Select Sync Enable ISO Enable Reser ved Arm Enable 0000 0000 R/W 0xC082 0xC0A2 Host n Address Address... 0000 0000 ...Address 0000 [...]

CY7C67300 Document #: 38-08015 Rev . *J Page 95 of 99 R/W 0xC0AC Device 2 Interrupt Enable Reserved SOF/EOP T imeout Interrupt Enable Wa k e Interrupt Enable SOF/EOP Interrupt Enable Reset Interrupt Enable 0000 0000 EP7 Interrupt Enable EP6 Interrupt Enable EP5 Interrup t Enable EP4 Interrupt Enable EP3 Interrupt Enable EP2 Interrupt Enable EP1 Int[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 96 of 99 R/W 0: 0xC0EC 1: 0xC0F0 2: 0xC0F4 3: 0xC0F8 PWM n S t op Reserved Address... 0000 0000 ...Address 0000 0000 R/W 0xC0F A PWM Cycle Count Count... 0000 0000 ...Count 0000 0000 R HPI St atus Port VBUS Flag ID Flag Reserved SOF/EO P2 Flag Reserved SOF/EOP1 Flag Reset2 Flag Mailbox In Flag Resume2 Fl[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 97 of 99 Ordering Information Package Diagrams Figure 12. 100-Pin T hin Plastic Quad Flat Pa ck (TQFP) A100SA T ab le 14 3. Ordering Information Ordering Code Package T ype AEC Pb-Free T emperature Ran ge CY7C67300-100AXI 100 TQFP X –40 to 85°C CY7C67300-100AXA 100 TQFP X X – 40 to 85°C CY7C67300-1[...]

CY7C67300 Document #: 38-08015 Rev . *J Page 98 of 99 Document History Page Document Title: CY7C67300 EZ-Host™ Programmable Embe dded USB Host and Periph eral Controller with Automotive AEC Grade Support Document Number: 38-08015 REV . ECN NO. Orig. of Change Submis- sion Date Description of Chan ge ** 1 1 1872 MUL 03/22/02 New Data Sheet *A 1 16[...]

Document #: 38-08015 Rev . *J Revised July 28, 2008 Page 99 of 99 EZ-Host is a register ed trademark of Cypr ess Semiconductor Corp. All ot her trademarks or reg istered trademar ks referenced herei n are property of the respe ctive corporat ions. Purchase of I2C component s from Cypr ess or one of it s sublicen sed Associate d Comp anies conv eys [...]