Philips UDA1325 manuale d’uso

DA T A SH EET Preliminary specification File under Integrated Circuits, IC01 1999 May 10 INTEGRA TED CIRCUITS UDA1325 Universal Serial Bus (USB) CODEC[...]

1999 May 10 2 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 FEA TURES General • High Quality USB-compliant Audio/HID device • Supports 12 Mbits/s serial data transmission • Fully USB Plug and Play operation • Supports ‘Bus-powered’ and ‘Self-powered’ operation • 3.3 V power supply • L[...]

1999 May 10 3 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 APPLICA TIONS • USB monitors • USB speakers • USB microphones • USB headsets • USB telephone/answering machines • USB links in consumer audio devices. GENERAL DESCRIPTION The UDA1325 is a single chip stereo USB codec incorporating bi[...]

1999 May 10 4 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 QUICK REFERENCE DA T A Note 1. Exclusive the IDDE current which depends on the components connected to the I/O pins. SYMBOL P ARAMETER CONDITIONS MIN. TYP . MAX. UNIT Supplies V DDE supply voltage periphery 4.75 5.0 5.25 V V DDI supply voltage c[...]

1999 May 10 5 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 BLOCK DIAGRAM Fig.1 Block diagram (QFP64 package). handbook, full pagewidth MGM108 TIMING ANALOG PLL OSC 48 MHz OSC ADC 24 (19) 27 25 (20) 26 (21) 28 (22) 52 (39) 53 (40) 54 (41) 55 (42) 63 (4) 1 (5) 2 (6) 13 (14) 17 (16) 15 (15) (12) 11 (13) 12[...]

1999 May 10 6 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 PINNING SYMBOL PIN QFP64 PIN SDIP42 I/O DESCRIPTION GP3/WSO 1 5 I/O general purpose pin 3 or word select output GP4/BCKO 2 6 I/O general purpose pin 4 or bit clock output P0.5 3 − I/O Port 0.5 of the microcontroller SHTCB 4 7 I shift clock of [...]

1999 May 10 7 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 V DDA1 38 29 − analog supply voltage 1 V SSA1 39 30 − analog ground 1 V ref(DA) 40 31 O reference voltage output DAC V ref(AD) 41 32 O reference voltage output ADC V DDA2 42 33 − analog supply voltage 2 VINL 43 34 I input signal left chann[...]

1999 May 10 8 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 Fig.2 Pin configuration (QFP64 package). handbook, full pagewidth UDA1325H MGL349 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 GP3/WSO GP4/BCKO P0.5 SHTCB P0.6 D − P0.7 D + V DDI V SSI V SSE V DDE GP1/DI P2.0 GP5/WSI P2.1 GP0/BCKI P2.2 SCL [...]

1999 May 10 9 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 Fig.3 Pin configuration (SDIP42 package). handbook, halfpage UDA1325 MGM106 1 2 42 41 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 V SSA3 XTAL1a XTAL2a V DDA3 VRP VRN VINR V SSA2 VINL[...]

1999 May 10 10 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 Memory Management Unit (MMU) and integrated RAM The MMU and integrated RAM handle the temporary data storage of all USB packets that are received or sent over the bus. The MMU and integrated RAM handle the differences between data rate of the U[...]

1999 May 10 11 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 The clock source of the analog-to-digital interface The clock source of the ADIF is the analog PLL or the ADC oscillator. The preferred clock source can be selected. The ADC clock used for the ADC and decimation filters is obtained by dividing [...]

1999 May 10 12 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 The Asynchronous Digital-to-Analog Converter (ADAC) The ADAC receives audio data from the USB processor or from the digital I/O-bus. The ADAC is able to reconstruct the sample clock from the rate at which the audio samples arrive and handles th[...]

1999 May 10 13 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 USB ENDPOINT DESCRIPTION The UDA1325 has following six endpoints: • USB control endpoint 0 • USB control endpoint 1 • USB status interrupt endpoint 1 • USB status interrupt endpoint 2 • Isochronous data sink endpoint • Isochronous d[...]

1999 May 10 14 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 T able 6 Selection of data transfer type Data bits 7 to 2 represent a 6-bit device address, with bit 7 being the MSB and bit 2 the LSB. The address of the ADAC is 000101 (bits 7 to 2). In the event that the ADAC receives a different address, it[...]

1999 May 10 15 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 T able 7 ADAC audio feature registers The sequence for controlling the ADAC audio feature registers via the L3-bus is given in the figure below. Data transfer type ‘control registers’ When the data transfer type ‘control registers’ is s[...]

1999 May 10 16 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 T able 8 ADAC general control registers Soft mute control When the mute (bit 1 of control register 0) is active for the playback channel, the value of the sample is decreased smoothly to zero following a raised cosine curve. There are 32 coeffi[...]

1999 May 10 17 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 V olume control The volume of the UDA1325 can be controlled from 0 dB down to − 60 dB (in steps of 1 dB). Below − 60 dB the audio signal is muted ( −∞ dB). The setting of 0 dB is always referenced to the maximum available volume setting[...]

1999 May 10 18 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 T reble control For the playback channel, treble can be regulated in three audio modes: minimum, flat and maximum mode. In flat mode the audio is not influenced. In minimum and maximum mode, the treble range is from 0 to 6 dB in steps of 2 dB. [...]

1999 May 10 19 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 T able 12 Bass boost settings De-emphasis De-emphasis is controlled by bit 4 of control register 0. The de-emphasis filter can be switched on or off. The digital de-emphasis filter is dimensioned to produce the de-emphasis frequency characteris[...]

1999 May 10 20 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 Filter characteristics playback channel The overall filter characteristic of the UDA1325 in flat mode is given in Fig.4 (de-emphasis off). The overall filter characteristic of the UDA1325 includes the filter characteristics of the DSP in flat m[...]

1999 May 10 21 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 DSP extension port for enhanced playback audio processing An external DSP can be used for adding extra sound processing features via the I 2 S inputs and outputs of the digital I/O module. The UDA1325 supports the standard I 2 S-bus data protoc[...]

1999 May 10 22 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _ white to force landscape pages to be rotated correctly when browsing through the pdf in the A[...]

1999 May 10 23 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 PORT DEFINITION 80C51 Port 1 T able 13 Port 1 of the 80C51 microcontroller Port 3 T able 14 Port 3 of the 80C51 microcontroller 8 BIT PORT 1 BIT FUNCTION LOW HIGH COMMENT 1.0 ADAC_error no error error 1.1 GP1 general purpose pins 1.2 GP2 1.3 GP[...]

1999 May 10 24 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 MEMOR Y AND REGISTER SP ACE 80C51 Overview registers T able 15 Register location and recommended values after Power-on reset T able 16 Special function register location ADDRESS REGISTER RESET V ALUE 0800h PGA gain 09 0801h ADIF control 5C 1000[...]

1999 May 10 25 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 Internal registers T able 17 PGA gain registers T able 18 ADIF control registers ADDRESS REGISTER COMMENTS BIT V ALUE 0800h PGA gain register reserved 7 X PGA input selection 6 0 (do not change it) PGA gain right channel 5, 4 and 3 000 = − 3d[...]

1999 May 10 26 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 T able 19 Clock shop register T able 20 Reset control and APLL register ADDRESS REGISTER COMMENTS BIT V ALUE 1000h clock shop settings selection ADC clock source 7 0 = ADC clock from APLL 1 = ADC clock from OSCAD divide factor Q 6 and 5 00 = AD[...]

1999 May 10 27 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 T able 21 I/O selection register T able 22 Power control register ADDRESS REGISTER COMMENTS BIT V ALUE 1002h I/O selection register microcontroller control on 48 MHz oscillator 7 0 = UPC control disabled (48 MHz oscillator is enabled) 1 = UPC c[...]

1999 May 10 28 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 T able 23 ASR control register ST ART -UP BEHA VIOUR AND POWER MANAGEMENT Start-up of the UDA1325 After power-on (of V DDA1 ), an internal Power-on reset signal becomes HIGH after a certain RC time. This RC time is created by using the internal[...]

1999 May 10 29 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 A T INITIALISA TION TIME • Bit 7of the power control register (mux_ctrl_suspend) must be set to ‘1’, in order to connect the CLK_ON of the USB processor with P3.1 of the microcontroller • Bit 6 of the power control register (mux_ctrl_in[...]

1999 May 10 30 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 COMMAND SUMMAR Y COMMAND NAME RECIPIENT CODING DA T A PHASE Initialization commands Set address/enable device D0h write 1 byte Read address/enable device D0h read 1 byte Set endpoint enable device D8h write 1 byte Read endpoint enable device D8[...]

1999 May 10 31 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 COMMAND DESCRIPTIONS Command procedure This chapter describes the commands that can be used by the microcontroller to control the USB processor. There are three basic types of commands: • Initialization commands • Data flow commands • Gen[...]

1999 May 10 32 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 Reset value: gives the value of the bits after Power-on reset. Bus reset: a ‘F’ indicates that the value of the bit is not changed during a bus reset. a ‘T’ indicates that during a bus reset, the bit is reset to its reset value. T able [...]

1999 May 10 33 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 T able 26 Error codes T able 27 ERROR CODE RESUL T 0000 no error 0001 PID encoding error; bits 7 to 4 in the PID token are not the inversion of bits 3 to 0 0010 PID unknown; PID encoding is valid, but PID does not exist 001 1 unexpected packet;[...]

1999 May 10 34 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 The data in the buffer are organized as follows: Byte 0: transfer successful, number of data bytes (MSB) Byte 1: number of data bytes (LSB) Byte 2: data byte 0 Byte 3: data byte 1 Byte 4: data byte 2 Byte 5: data byte 3 Byte 6: data byte 4 Byte[...]

1999 May 10 35 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 V ALIDA TE BUFFER Command: FAh. Data: none. When the microcontroller has written data into an IN buffer, it should set the buffer full flag by the validate buffer command. This indicates that the data in the buffer are valid and can be sent to [...]

1999 May 10 36 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _ white to force landscape pages to be rotated correctly when browsing through the pdf in the A[...]

1999 May 10 37 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 LIMITING V ALUES In accordance with the Absolute Maximum Rating System (IEC 134). Notes 1. Equivalent to discharging a 100 pF capacitor through a 1.5 k Ω series resistor. 2. Equivalent to discharging a 200 pF capacitor through a 2.5 µ H seri[...]

1999 May 10 38 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 DC CHARACTERISTICS V DDE = 5.0 V ; V DD = 3.3 V ; T amb =2 5 ° C; f osc = 48 MHz; f s = 44.1 kHz; unless otherwise specified. SYMBOL P ARAMETER CONDITIONS MIN. TYP . MAX. UNIT Supplies V DDE digital supply voltage periphery 4.75 5.0 5.25 V V [...]

1999 May 10 39 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 Notes 1. This value depends strongly on the application. The specified value is the typical value obtained using the application diagram as illustrated in Fig.8. 2. At start-up of the OSCAD oscillator. 3. At start-up of the OSC48 oscillator. 4.[...]

1999 May 10 40 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 AC CHARACTERISTICS V DDE = 5.0 V ; V DDI = 3.3 V ; T amb =2 5 ° C; f osc = 48 MHz; f s = 44.1 kHz; unless otherwise specified. SYMBOL P ARAMETER CONDITIONS MIN. TYP . MAX. UNIT Driver characteristics D+ and D − (full-speed mode) f o(s) audi[...]

1999 May 10 41 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 SDA and SCL lines for 100 kHz I 2 C devices f SCL SCL clock frequency 0 − 100 kHz t BUF bus free time between a STOP and ST ART condition 4.7 −−µ s t HD;ST A hold time (repeated) ST ART condition 4.0 −−µ s t LOW LOW period of the SC[...]

1999 May 10 42 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 Analog PLL (for ADC clock) f clk(PLL) PLL clock frequency 8.1920 1 1.2896 12.2880 MHz δ duty factor − 50 − % t strt(PO) start-up time after power-on −− 10 ms Power-on reset t su(PO) power-on set-up-time note 1 25C ref (2) −− ms PGA[...]

1999 May 10 43 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 Notes 1. Strongly depends on the external decoupling capacitor connected to V ref(DA) . 2. C ref in µ F. 3. Although a level of 1.414 V (RMS) would be required to optimal drive the ADC in this gain setting, this level can not be used. Due to t[...]

1999 May 10 44 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 APPLICA TION INFORMA TION Fig.8 Application diagram UDA1325H (continued in Fig.9). handbook, full pagewidth 17 GP0/BCKI 15 GP5/WSI 13 GP1/DI 6 D − 8 D + 12 V DDE 11 V SSE 9 V DDI 10 38 39 V SSI UDA1325H + V D 100 nF (63 V) 100 nF (63 V) C27 C[...]

1999 May 10 45 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 Fig.9 Application diagram UDA1325H (continued from Fig.8). handbook, full pagewidth R28 4.7 k Ω MGM761 56 P0.0 58 P0.1 60 P0.2 62 P0.3 64 P0.4 3 P0.5 5 P0.6 7 P0.7 50 ALE 14 P2.0 16 P2.1 18 P2.2 20 P2.3 22 P2.4 23 P2.5 21 SDA 19 SCL 31 PSEN 1[...]

1999 May 10 46 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _ white to force landscape pages to be rotated correctly when browsing through the pdf in the A[...]

1999 May 10 47 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 P ACKAGE OUTLINES UNIT b 1 cE e M H L REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC EIAJ mm DIMENSIONS (mm are the original dimensions) SOT270-1 90-02-13 95-02-04 b max. w M E e 1 1.3 0.8 0.53 0.40 0.32 0.23 38.9 38.4 14.0[...]

1999 May 10 48 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 UNIT A 1 A 2 A 3 b p cE (1) eH E LL p Z y w v θ REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC EIAJ mm 0.25 0.05 2.90 2.65 0.25 0.50 0.35 0.25 0.14 14.1 13.9 1 18.2 17.6 1.2 0.8 7 0 o o 0.2 0.1 0.2 1.95 DIMENSIONS (mm are [...]

1999 May 10 49 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 SOLDERING Introduction This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “Data Handbook IC26; Integrated Circuit Packages” (document order number 9398 652 90011). Ther[...]

1999 May 10 50 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 Suitability of IC packages for wave, reflow and dipping soldering methods Notes 1. All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the maximum temperature (with respect to time) and body size of th[...]

1999 May 10 51 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 DEFINITIONS LIFE SUPPORT APPLICA TIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using [...]

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