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SMSC USB2517 manual

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Table of contents for the manual

  • Page 1

    SMSC USB251x Hub Family DA T ASHEET Revision 1.0 (3-1 1- 09) Datasheet PRODUCT FEA TURES USB2512/12A/12B USB2513/13B USB2514/14B USB2517 USB 2.0 Hi-S peed Hub Controller General Description The SMSC USB251x hub is a family of low-power , OEM configurable, MTT (multi tran saction translator) 1 hub controller IC products for embedded USB solutions. T[...]

  • Page 2

    ORDER NUMBERS: Note: USB251xB/USB251xBi products have not yet been rel eased. They are featured in this datasheet as a prelimina ry product preview . ORDER NUMBERS LEAD-FREE ROHS COMPLIANT PACKAGE PACKAGE SIZE T EMPERATURE RANGE USB2512-AEZG USB2512A-AEZG USB2512B-AEZG USB2513-AEZG USB2513B-AEZG USB2514-AEZG USB2514B-AEZG 36QFN 6 x 6 x 0 .5 mm 0ºC[...]

  • Page 3

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 3 Revision 1.0 (3-1 1-09) DA T ASHEET T able of Content s Chapter 1 USB251x Hub Family Differences Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Chapter 2 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 4

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 4 SMSC USB251x DA T ASHEET 9.1 Maximum Guaranteed Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 9.2 Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 5

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 5 Revision 1.0 (3-1 1-09) DA T ASHEET List of T ables Table 1.1 36-pin QFN (6x6x0.5 mm) RoHS Compliant Part Numb ers . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 1.2 48-pin QFN (7x7x0.5 mm) RoHS Compliant Part Numb ers . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Ta[...]

  • Page 6

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 6 SMSC USB251x DA T ASHEET List of Figures Figure 4.1 USB251x Hub Family Block D iagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 Figure 5.1 2-Port 36-Pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 7

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 7 Revision 1.0 (3-1 1-09) DA T ASHEET Chapter 1 USB251x Hub Fami ly Differences Overview T able 1.1 36-pin QFN (6x6x0.5 mm) RoHS Complian t Part Numbers T able 1.2 48-pin QFN (7x7x0.5 mm) RoHS Complian t Part Numbers T able 1.3 64-pin QFN (9x9x0.5 mm) RoHS Complian t Part Numbers Note 1.1 *Bat[...]

  • Page 8

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.0 (3-1 1-09) 8 SMSC USB251x DA T ASHEET Chapter 2 General Description The SMSC USB251x h ub family is a group of l ow-power , OEM configurable, MTT (multi transaction translator) 1 h ub controller IC’s with downstre am ports for embedded USB soluti ons. The SMSC USB251x hub family i s[...]

  • Page 9

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 9 Revision 1.0 (3-1 1-09) DA T ASHEET  Supports custom string descriptors (up to 31 characters): - Product string - Manufacturer string - Serial number string  When available, pin sele ctable options for default configuration may in clude: -Downstream ports as non-removable ports -Downst[...]

  • Page 10

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 10 SMSC USB251x DA T ASHEET Chapter 3 Acronyms I 2 C ® : Inter-Integrated Circuit 1 OCS: Over-Current Sense PCB: Printed Circuit Board PHY : Physical Layer PLL: Phase-Locked Loop QFN: Quad Flat No Leads RoHS: Restriction of Ha zardous Substances Directive SCL: Serial Clock SIE: Ser[...]

  • Page 11

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 1 1 Revisio n 1.0 (3-1 1-09) DA T ASHEET Chapter 4 Block Diagram Figure 4.1 USB251x Hub F amily Block Diagram Note 4.1 USB2512A/USB2512Ai only su pports a single transaction translator . Note 4.2 The LED port indica tors only apply to USB2513 /14 (48QFN only) and USB2517/17i. To Upstream V BUS[...]

  • Page 12

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 12 SMSC USB251x DA T ASHEET Chapter 5 Pin Descriptions This chapter is organi zed by a set of pin config ur ations (organized by package type) followed by a corresponding pin list organized al phabetically . A co mp rehensive and detailed description li st of each signal (named in t[...]

  • Page 13

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 13 Revision 1.0 (3-1 1-09) DA T ASHEET Figure 5.2 3-Po rt 36-pin QFN Note: *Battery charging enable (BC_ EN) is only available in the USB251xB/Bi. Ground P ad (must be co nnected to VSS ) SMSC USB2513/13i USB2513B/13Bi (Top View Q FN-36 ) 26 VDD33 25 RESET_N 24 HS_IND / CFG_SEL[1 ] 23 SCL / SM[...]

  • Page 14

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 14 SMSC USB251x DA T ASHEET Figure 5.3 4-Po rt 36-pin QFN Note: *Battery charging enable (BC_ EN) is only available in the USB251xB/Bi. Ground Pad (must be connected to VSS) SMSC USB2514/14i USB2514B/14Bi (Top View QFN-36) Indicates pins on the bottom of the device . 26 VDD33 25 RES[...]

  • Page 15

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 15 Revision 1.0 (3-1 1-09) DA T ASHEET Figure 5.4 3- Port 48-Pin QFN Ground Pad (must be connected to V SS) SMSC USB2513 (Top View QFN-48) PRTPWR_POL 38 SUSP_IND / LOCAL_P WR / NON_RE M[0] 39 LED_A_ N[1] / PRT SWP[1] 37 SEL48 40 VDD33 41 USBD P_UP 43 XTALOUT 44 XTALIN / CLKIN 45 RBIAS 48 VDD33[...]

  • Page 16

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 16 SMSC USB251x DA T ASHEET Figure 5.5 4- Port 48-Pin QFN Ground Pad (must be connecte d to VSS) SMSC USB25 14 (Top View QFN-4 8) PRTPWR_POL 38 SUSP_IND / LOCAL_PWR / NON_REM[0] 39 LED_A_N[1] / PRTSWP[1] 37 SEL48 40 VDD33 41 USBDP_UP 43 XTALOUT 44 XTALIN / CLKIN 45 RBIAS 48 VDD33 47[...]

  • Page 17

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 17 Revision 1.0 (3-1 1-09) DA T ASHEET Figure 5.6 7- Port 64-Pin QFN Ground Pad (must be connected to VSS) SMSC USB2517/17i (Top View QFN-64) USBDP_DN [6] / PRT_D IS_P[6] 54 USBDM_DN[7] / PRT_DIS_M[7] 55 USBDM_DN[6] / PRT_DIS_M[6] 53 USBDP_DN [7] / PRT_D IS_P[7] 56 VDD33 57 USBDP_U P 59 XTALOU[...]

  • Page 18

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 18 SMSC USB251x DA T ASHEET T able 5.1 Pin List in Alphabe tical Order SYMBOL NAME PIN NUMBE RS 36 QFN 48QFN 64 QFN USB2512 USB2512i USB2512A USB2512Ai USB2512B USB2512Bi USB2513 USB2513i USB2513B USB2513Bi USB2514 USB2514i USB2514B USB2514Bi USB2513 USB2514 USB2517 USB2517i BC_EN[1[...]

  • Page 19

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 19 Revision 1.0 (3-1 1-09) DA T ASHEET NC No Connect 6 - 8 1 1 - NC 7 - 9 - NC 18 - 1 1 - NC 19 - 12 - NC 8 - 13 - NC 9 - 27 - NC 20 - 28 - NC 21 - NON_REM[0] Non- Removable Port S trap Option 28 39 45 NON_REM[1] 22 29 40 OCS_N[1] Over-Current Sense 13 16 28 OCS_N[2] 17 20 27 OCS_N[3] - 19 26 [...]

  • Page 20

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 20 SMSC USB251x DA T ASHEET PRTPWR[1] USB Port Power Enable 12 15 29 PRTPWR[2] 16 19 26 PRTPW R[3] - 18 21 23 PRTPWR[4] - 20 - 27 20 PRTPWR[5] - 30 PRTPWR[6] - 39 PRTPWR[7] - 36 PRTPWR_POL Port Power Polarity St r a p p i n g -3 8 - PRTSWP[1] Port Swap S trapping Option -3 7 5 1 PRT[...]

  • Page 21

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 21 Revision 1.0 (3-1 1-09) DA T ASHEET USBDM_DN[1] Hi-S peed USB Data 1 USBDM_DN[2] 3 USBDM_DN[3] - 6 USBDM_DN[4] - 8 - 8 USBDM_DN[5] - 1 1 USBDM_DN[6] - 53 USBDM_DN[7] - 55 USBDP_DN[1] 2 USBDP_DN[2] 4 USBDP_DN[3] - 7 USBDP_DN[4] - 9 - 9 USBDP_DN[5] - 12 USBDP_DN[6] - 54 USBDP_DN[7] - 56 VBUS_[...]

  • Page 22

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 22 SMSC USB251x DA T ASHEET 5.2 USB251x Pin Descriptio ns (Grouped by Function) T able 5.2 USB251x Pin Descriptions SYMBOL BUFFER T YPE DESCRIPTION UPSTREAM USB 2.0 INTERF ACES USBDM_UP USBDP_UP IO-U USB Data These pins connect to the upstream USB bus data signals (host, port, or up[...]

  • Page 23

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 23 Revision 1.0 (3-1 1-09) DA T ASHEET DOWNSTREAM USB 2.0 IN TERFACES (continued) LED_A_N[x:1] / PRTS WP[x:1] I/O12 Port LED Indicators This pin will be ac tive low when LED support is e nabled via EEPROM or SMBus. Port Swap S trapping Option If this strap is enabled by pa ckage and configurat[...]

  • Page 24

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 24 SMSC USB251x DA T ASHEET DOWNSTREAM USB 2.0 IN TERFACES (continued) LED_B_N[2:1] / BOOST[1:0] I/O12 Enhanced Indicator Port LED for po rts 1 and 2 Enhanced indicator L ED for ports 1 and 2. This pin will be active low when LED support is enabled via EEPROM or SMBus. If this strap[...]

  • Page 25

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 25 Revision 1.0 (3-1 1-09) DA T ASHEET SERIAL PORT INTERFACES SDA / SMBDA T A / NON_REM[1] I/OSD12 Serial Data signal (SDA) Server Message Block Data signal (SMBDA T A) Non-removable port strap option If this strap is enabled by package and configuration settings (see Ta b l e 8 . 1 ), this pi[...]

  • Page 26

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 26 SMSC USB251x DA T ASHEET MISC XT ALIN ICLKx Crystal Input 24 MHz crystal This pin connects to either one terminal of the crystal or to an external 24 MHz clock when a crystal is not used. CLKIN External Clock Input This pin connects to either one terminal of the crystal or to an [...]

  • Page 27

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 27 Revision 1.0 (3-1 1-09) DA T ASHEET 5.3 Buffer T ype Descriptions SEL48 I 48 MHz Clock Input Selection 48 MHz external input clock select. When the hub is clocked from an external clock source, this pin selects either 24 MHz or 48 MHz mode. ‘0’ = 24 MHz ‘1’ = 48 MHz POWER, GROUND, a[...]

  • Page 28

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 28 SMSC USB251x DA T ASHEET I/O12 Input/Output buffer with 12 mA sink and 12 mA source. I/OSD12 Open drain with Schmitt trigger and 12 mA sink. Meets the I 2 C-Bus specification, version 2.1, requirements. ICLKx XT AL clock input. OCLKx XT AL clock output. I-R RBIAS. I/O-U Analog In[...]

  • Page 29

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 29 Revision 1.0 (3-1 1-09) DA T ASHEET Chapter 6 LED Usage Description 6.1 LED Functionality USB2513 and USB2514 (48-pin QF N only) and U SB2517 /17i SMSC hubs support two different (mutually exclusive) LED modes. The ‘x’ represent s the number of downstream ports. The USB mode provides up[...]

  • Page 30

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 30 SMSC USB251x DA T ASHEET Figure 6.1 shows a simple example of how this LED circuit will be implemented. The circuit should be replicated for each of the x LED pins on the SMSC hub. In this circuit, wh en the LED pin is driven to a logic low state, the Green LE D will light up. Wh[...]

  • Page 31

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 31 Revision 1.0 (3-1 1-09) DA T ASHEET Chapter 7 Battery Charging Support 7.1 General Description The battery charging feature is only a vailable in USB251xB (which represents USB2512B/3B/4B and USB2512Bi/3Bi/4Bi hub family pr oducts). Any one or combination of downstream ports on the USB251xB[...]

  • Page 32

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 32 SMSC USB251x DA T ASHEET behaviors provide battery chargin g even when the hub is no t enumerat ed and p rotect the hub from sustained short circuit conditions. If the short ci rc uit conditi on persists when the hub is plugg ed into a host system the user is notified that a port[...]

  • Page 33

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 33 Revision 1.0 (3-1 1-09) DA T ASHEET Chapter 8 Configuration Options 8.1 Hub SMSC’s USB 2.0 hub is fully specif ication compliant to the Un iversal Serial Bus speci fication, version 2.0, April 27, 2000 (12/7/2000 and 5/28/2002 Errata). Please referenc e Chapter 10 (Hub specification) for [...]

  • Page 34

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 34 SMSC USB251x DA T ASHEET Note: When the CFG_SEL[2] pin is u navailable, then the log ic is internally ti ed to ‘0’. 8.1.2.1 Power Switching Polarity When the PRTPWR_POL pin is unavailable (3 and 4 port, 48-pin packages onl y), the hub only supports “active high” port powe[...]

  • Page 35

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 35 Revision 1.0 (3-1 1-09) DA T ASHEET Please see the Internal Register Set (Common to EEPROM and SMBus) for a list of the available data fields. Please visit www .smsc.com/ ft pdocs/usb.html to locate the configuration ut ility for the hub EEPROM data. Select th e “e2prommap.msi” link to [...]

  • Page 36

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 36 SMSC USB251x DA T ASHEET 8.2.1.1 Register 00h: V endor ID (LSB) 8.2.1.2 Register 01h: V endor ID (MSB) 54h-91h Product S tring R 00 92h-CFh Serial S tring R 00 D0h Battery Cha rging Enable R 00 E0h Reserved 00 R F5h Reserved 00 R 00 F6h Boost_Up 00 F7h Boost_7:5 00 R 0 0 F8h Boos[...]

  • Page 37

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 37 Revision 1.0 (3-1 1-09) DA T ASHEET 8.2.1.3 Register 02h: Product ID (LSB) 8.2.1.4 Register 03h: Product ID (MSB) 8.2.1.5 Register 04h: Device ID (LSB) 8.2.1.6 Register 05h: Device ID (MSB) BIT NUMBER BIT NAME DESCRIPTION 7:0 PID_LSB Least Significant Byte of the Product ID. This is a 16-bi[...]

  • Page 38

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 38 SMSC USB251x DA T ASHEET 8.2.1.7 Register 06h: CONFIG_BYTE_1 BIT NUMBER BIT NAME DESCRIPTION 7 SELF_BUS_PWR Self or Bus Power: Selects between Self- and Bus-Powered operation. The hub is either self-powered (dra ws less than 2 mA of upstream bus power) or bus-powered (limited to [...]

  • Page 39

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 39 Revision 1.0 (3-1 1-09) DA T ASHEET 8.2.1.8 Register 07h: Co nfiguration Dat a Byte 2 2:1 CURRENT_SNS Over-Current Sense : Selects cu rrent sensing on a port-by-p ort basis, all ports ganged, or none (only fo r bus-powered hubs). The abili ty to support current sensing on a port or gange d [...]

  • Page 40

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 40 SMSC USB251x DA T ASHEET 8.2.1.9 Register 08h: Co nfiguration Dat a Byte 3 8.2.1.10 Register 09h: Non-Remo vable Device BIT NUMBER BIT NAME DESCRIPTION 7:4 Reserved Reserved 3 PRTMAP_EN Port mapping enable: Selects the method used by the hub to assign port numbers and disable por[...]

  • Page 41

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 41 Revision 1.0 (3-1 1-09) DA T ASHEET 8.2.1.1 1 Register 0Ah: Port Disa ble For Self-Po wered Operation 8.2.1.12 Register 0Bh: Port Di sable For Bus-Powere d Operation BIT NUMBER BIT NAME DESCRIPTION 7:0 PORT_DIS_SP Port Disable Self-Pow ered: Disa bles 1 or more ports. 0 = Port is available [...]

  • Page 42

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 42 SMSC USB251x DA T ASHEET 8.2.1.13 Register 0Ch: Max Powe r For Self -Powered Operation 8.2.1.14 Register 0Dh: Max Power For Bus-Powered Ope ration 8.2.1.15 Register 0Eh: Hub Controller Max Current For Self-Powe red Operation BIT NUMBER BIT NAME DESCRIPTION 7:0 MAX_PWR_SP Max Powe[...]

  • Page 43

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 43 Revision 1.0 (3-1 1-09) DA T ASHEET 8.2.1.16 Register 0Fh: Hu b Controller Max Current For Bus-Powered Operation 8.2.1.17 Register 10h: Power-On Ti me 8.2.1.18 Register 1 1h: Language ID High 8.2.1.19 Register 12h: Language ID Low 8.2.1.20 Register 13h: Manufact urer S tring Length 8.2.1.21[...]

  • Page 44

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 44 SMSC USB251x DA T ASHEET 8.2.1.22 Register 15h: Serial S tring Length 8.2.1.23 Register 16h-53h: Manufactur er String 8.2.1.24 Register 54h-91h: Product S tring BIT NUMBER BIT NAME DESCRIPTION 7:0 SER_ST R_LEN Serial S tring Length When supported, the maximum st rin g length is 3[...]

  • Page 45

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 45 Revision 1.0 (3-1 1-09) DA T ASHEET 8.2.1.25 Register 92h- CFh: Serial S tring 8.2.1.26 Register D0h: Battery Charging Enable 8.2.1.27 Register F6h: Boost_Up BIT NUMBER BIT NAME DESCRIPTION 7:0 SER_ST R Se rial S tring, UNICODE UTF-16LE per USB 2.0 specification When supported, the maximum [...]

  • Page 46

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 46 SMSC USB251x DA T ASHEET 8.2.1.28 Register F7h: Boost _7:5 Note: “Boost” could result in non-USB Compliant parameters, OEM should use a ‘00’ value unless specific implementation issues require additional signal boosting to correct for degraded USB signalling levels. BIT N[...]

  • Page 47

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 47 Revision 1.0 (3-1 1-09) DA T ASHEET 8.2.1.29 Register F8h: Boost _4:0 Note: “Boost” could result in non-USB Compliant parameters, OEM should use a ‘00’ value unless specific implementation issues require additional signal boosting to correct for degraded USB signalling levels. 8.2.1[...]

  • Page 48

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 48 SMSC USB251x DA T ASHEET 8.2.1.31 Register FBh: PortMap 12 BIT NUMBER BIT NAME DESCRIPTION 7:0 PRTR12 PortMap register for ports 1 & 2. When a hub is enumerated b y a USB host controlle r , the h ub is only permitted to report how many ports it ha s; the hub is not permitted [...]

  • Page 49

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 49 Revision 1.0 (3-1 1-09) DA T ASHEET 8.2.1.32 Register FCh: PortMap 34 BIT NUMBER BIT NAME DESCRIPTION 7:0 PRTR34 PortMap register for ports 3 & 4. When a hub is enumerated b y a USB host controlle r , the h ub is only permitted to report how many ports it ha s; the hub is not permitted [...]

  • Page 50

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 50 SMSC USB251x DA T ASHEET 8.2.1.33 Register FDh: PortMap 56 BIT NUMBER BIT NAME DESCRIPTION 7:0 PRTR56 PortMap register for ports 5 & 6. When a hub is enumerated b y a USB host controlle r , the h ub is only permitted to report how many ports it ha s; the hub is not permitted [...]

  • Page 51

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 51 Revision 1.0 (3-1 1-09) DA T ASHEET 8.2.1.34 Register FEh: PortMap 7 BIT NUMBER BIT NAME DESCRIPTION 7:0 PRTR7 PortMa p register for port 7. When a hub is enumerated b y a USB host controlle r , the h ub is only permitted to report how many ports it ha s; the hub is not permitted to select [...]

  • Page 52

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 52 SMSC USB251x DA T ASHEET 8.2.1.35 Register FFh: S t atus/Command 8.2.2 I 2 C EEPROM The I 2 C EEPROM interface implem ents a subset of the I 2 C Master specification (Please re fer to the Philips Se miconductor S tandard I 2 C-Bus specification for det ails on I 2 C bus protocols[...]

  • Page 53

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 53 Revision 1.0 (3-1 1-09) DA T ASHEET 8.3 SMBus Slave Interface Instead of load ing User-Defined Descriptor data from an external EEPROM, th e SMSC hub can be configured to receive a code load from an externa l processor via an SMBus interface. The SMBus interface shares the same pins as the [...]

  • Page 54

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 54 SMSC USB251x DA T ASHEET 8.3.2.2 Block Read A block read differs from a bloc k write in that the repe ated start condition exists to sati sfy the I 2 C specification’s requirement for a ch ange in the tr ansfer direction . Figure 8. 2 Block Re ad 8.3.3 I nvalid Protocol Respons[...]

  • Page 55

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 55 Revision 1.0 (3-1 1-09) DA T ASHEET 8.3.9 S MBus Alert Response Address The SMBALERT# signal is not supported by the hub. 8.3.9.1 Undefined Register s The registers shown in Ta b l e 8 . 2 are the defined registers in the hub. Re ads to undefined registers return 00h. Writes to undefined re[...]

  • Page 56

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 56 SMSC USB251x DA T ASHEET 8.6.1.1 RESET_N for St rappin g Option Configuration Figure 8.3 Reset_N Timing fo r Default/S tra p Option Mode Notes:  When in bus-powered mode, the hu b and its associ ated circuitry must not consume more than 100 mA from the upstream USB power sourc[...]

  • Page 57

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 57 Revision 1.0 (3-1 1-09) DA T ASHEET 8.6.1.2 RESET_N for EEPROM Configuration Figure 8.4 Reset_N Ti ming for EEPROM Mode Notes:  When in bus-powered mode, the hu b and its associ ated circuitry must not consume more than 100 mA from the upstream USB pow er source during t4+t5+t6+t7.  A[...]

  • Page 58

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 58 SMSC USB251x DA T ASHEET 8.6.1.3 RESET_N for SMBus Slave Configuration Figure 8.5 Reset_N Timing for SMBus Mod e Notes:  For bus-powered co nfigurations, the 99.5 ms (MAX) is require d, and the hub and its associated circuitry must not consume more than 1 00 mA from the upstre[...]

  • Page 59

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 59 Revision 1.0 (3-1 1-09) DA T ASHEET 6. Complies with Section 1 1.10 of t he USB 2.0 specification for be havio r after completion of the reset sequence. The host then configures the hub and t he hub’s downstream port devices in accordance with the USB sp ecification. Note: The hub does no[...]

  • Page 60

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 60 SMSC USB251x DA T ASHEET Chapter 9 DC Parameters 9.1 Maximum Guaranteed Ratings Note 9.1 S tresses above the specified parameters co uld cause permanent damag e to the device. This is a stress rating only and functional operation of the device at any co ndition above those indica[...]

  • Page 61

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 61 Revision 1.0 (3-1 1-09) DA T ASHEET Figure 9. 1 Supply Rise Time Model T able 9.1 DC Electrical Characteristics PARAMETER SYMBOL MIN T YP MAX UNIT S COMMENTS I, IS T ype Input Buffer Low Input Leve l High Input Level Input Leakage Hysteresis (‘IS’ Only) V ILI V IHI I IL V HYSI 2.0 -10 2[...]

  • Page 62

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 62 SMSC USB251x DA T ASHEET O12, I/O12 &I/OSD12 T ype Buffer Low Output Level High Output Level Output Leakage Hysteresis (‘SD’ pad only) V OL V OH I OL V HYSC 2.4 -10 250 0.4 +10 350 V V μ A mV I OL = 12 mA @ VDD33 = 3.3 V I OH = -12 mA @ VDD33 = 3.3 V V IN = 0 to VDD33 ( [...]

  • Page 63

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 63 Revision 1.0 (3-1 1-09) DA T ASHEET Supply Cur rent Configu red Hi-Speed Host, 1 downstream po rt USB2512/12A/12B USB2512i/12Ai/12Bi USB2513/13B USB2513i/13Bi USB2514/14B USB2514i/14Bi USB2517 USB2517i I HCH1 I HCH1 I HCH1 I HCH1 I HCH1 I HCH1 I HCH1 I HCH1 130 130 150 150 155 155 240 240 1[...]

  • Page 64

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 64 SMSC USB251x DA T ASHEET Note 9.3 Output leakage is measured w ith the current pins in hi gh impedance. Note 9.4 See USB 2.0 specification for U SB DC e lectrical characteristics. Supply Current Suspend USB2512/12A/12B USB2512i/12Ai/12Bi USB2513/13B USB2513i/13Bi USB2514/14B USB2[...]

  • Page 65

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 65 Revision 1.0 (3-1 1-09) DA T ASHEET Note 9.5 Capa citanc e T A = 25°C; fc = 1 MHz; VDD33 = 3.3 V T able 9.2 Pi n Cap acit ance LIMIT S PARAMETER SYMBOL MIN T YP MAX UNIT T EST CONDITION Clock Input Capacitance C XT AL 2 pF All pins except USB pins and th e pins under the test tied to AC gr[...]

  • Page 66

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 66 SMSC USB251x DA T ASHEET Chapter 10 AC S pecifications 10.1 Oscillator/Clock Crystal: Parallel Resonant, Fundamental Mode, 24/48 1 MHz ± 350 ppm. External Clock: 50% Duty cycl e ± 10%, 24/48 MHz ± 350 ppm, Jitter < 100 ps rms. Figure 10.1 T ypical Crystal Circuit Note: C B [...]

  • Page 67

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.0 (3-1 1-09) 67 SMSC USB251x DA T ASHEET Chapter 1 1 Package Outlines Figure 1 1.1 36-Pin QFN, 6x6 mm Body , 0.5 mm Pitch[...]

  • Page 68

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.0 (3-1 1-09) 68 SMSC USB251x DA T ASHEET Figure 1 1.2 48-Pin QFN, 7x7 mm Body , 0.5 mm Pitch[...]

  • Page 69

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.0 (3-1 1-09) 69 SMSC USB251x DA T ASHEET Figure 1 1.3 64-Pin QFN, 9x9 mm Body , 0.5 mm Pitch[...]

  • Page 70

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 70 SMSC USB251x DA T ASHEET 1 1.1 T ape and Reel S pecifications Figure 1 1 .4 36-Pin Package T ape Specifications[...]

  • Page 71

    USB 2.0 Hi-S peed Hub Controller Datasheet SMSC USB251x 71 Revision 1.0 (3-1 1-09) DA T ASHEET Figure 1 1 .5 48-Pin Package T ape Specifications[...]

  • Page 72

    USB 2.0 Hi-S peed Hub Controller Datasheet Revision 1.0 (3-1 1-09) 72 SMSC USB251x DA T ASHEET Figure 1 1 .6 36-Pin and 48-Pin Pa ckage Reel Specifications[...]