JAJSHF9E September 2008 – September 2019 TLV320AIC3204
PRODUCTION DATA.
This document describes signals that take on different names depending on how they are configured. In such cases, the different names are placed together and separated by slash (/) characters. For example, "SCL/SS". Active low signals are represented by overbars.
PIN | NAME | TYPE(1) | DESCRIPTION | |
---|---|---|---|---|
1 | MCLK | DI | Master Clock Input | |
2 | BCLK | DIO | Audio serial data bus (primary) bit clock | |
3 | WCLK | DIO | Audio serial data bus (primary) word clock | |
4 | DIN / MFP1 | DI | Primary function: | |
Audio serial data bus data input | ||||
Secondary function: | ||||
Digital Microphone Input
General Purpose Clock Input General Purpose Input |
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5 | DOUT / MFP2 | DO | Primary function: | |
Audio serial data bus data output | ||||
Secondary function: | ||||
General Purpose Output
Clock Output INT1 Output INT2 Output Audio serial data bus (secondary) bit clock output Audio serial data bus (secondary) word clock output |
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6 | IOVDD | Power | IO voltage supply 1.1V – 3.6V | |
7 | IOVSS | Ground | IO ground supply | |
8 | SCLK / MFP3 | DI | Primary function: (SPI_Select = 1) | |
SPI serial clock | ||||
Secondary function: (SPI_Select = 0) | ||||
Headphone-detect input
Digital microphone input Audio serial data bus (secondary) bit clock input Audio serial data bus (secondary) DAC or common word clock input Audio serial data bus (secondary) ADC word clock input Audio serial data bus (secondary) data input General Purpose Input |
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9 | SCL/SS | DI | I2C interface serial clock (SPI_Select = 0)
SPI interface mode chip-select signal (SPI_Select = 1) |
|
10 | SDA/MOSI | DI | I2C interface mode serial data input (SPI_Select = 0)
SPI interface mode serial data input (SPI_Select = 1) |
|
11 | MISO / MFP4 | DO | Primary function: (SPI_Select = 1) | |
Serial data output | ||||
Secondary function: (SPI_Select = 0) | ||||
General purpose output
CLKOUT output INT1 output INT2 output Audio serial data bus (primary) ADC word clock output Digital microphone clock output Audio serial data bus (secondary) data output Audio serial data bus (secondary) bit clock output Audio serial data bus (secondary) word clock output |
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12 | SPI_ SELECT | DI | Control mode select pin ( 1 = SPI, 0 = I2C ) | |
13 | IN1_L | AI | Multifunction Analog Input,
or Single-ended configuration: MIC 1 or Line 1 left or Differential configuration: MIC or Line right, negative |
|
14 | IN1_R | AI | Multifunction Analog Input,
or Single-ended configuration: MIC 1 or Line 1 right or Differential configuration: MIC or Line right, positive |
|
15 | IN2_L | AI | Multifunction Analog Input,
or Single-ended configuration: MIC 2 or Line 2 left or Differential configuration: MIC or Line left, positive |
|
16 | IN2_R | AI | Multifunction Analog Input,
or Single-ended configuration: MIC 2 or Line 2 right or Differential configuration: MIC or Line left, negative |
|
17 | AVSS | Ground | Analog ground supply | |
18 | REF | AO | Reference voltage output for filtering | |
19 | MICBIAS | AO | Microphone bias voltage output | |
20 | IN3_L | AI | Multifunction Analog Input,
or Single-ended configuration: MIC3 or Line 3 left, or Differential configuration: MIC or Line left, positive, or Differential configuration: MIC or Line right, negative |
|
21 | IN3_R | AI | Multifunction Analog Input,
or Single-ended configuration: MIC3 or Line 3 right, or Differential configuration: MIC or Line left, negative, or Differential configuration: MIC or Line right, positive |
|
22 | LOL | AO | Left line output | |
23 | LOR | AO | Right line output | |
24 | AVDD | Power | Analog voltage supply 1.5V–1.95V
Input when A-LDO disabled, Filtering output when A-LDO enabled |
|
25 | HPL | AO | Left high power output driver | |
26 | LDOIN / HPVDD | Power | LDO Input supply and Headphone Power supply 1.9V– 3.6V | |
27 | HPR | AO | Right high power output driver | |
28 | DVSS | Ground | Digital Ground and Chip-substrate | |
29 | DVDD | Power | If LDO_SELECT Pin = 0 (D-LDO disabled) | |
Digital voltage supply 1.26V – 1.95V | ||||
If LDO_SELECT Pin = 1 (D-LDO enabled) | ||||
Digital voltage supply filtering output | ||||
30 | LDO_ SELECT | DI | D-LDO enable signal (1 = D-LDO enable, 0 = D-LDO disabled) | |
31 | RESET | DI | Reset (active low) | |
32 | GPIO / MFP5 | DI | Primary function: | |
General Purpose digital IO | ||||
Secondary function: | ||||
CLKOUT Output
INT1 Output INT2 Output Audio serial data bus ADC word clock output Audio serial data bus (secondary) bit clock output Audio serial data bus (secondary) word clock output Digital microphone clock output |
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Thermal Pad | Thermal Pad | N/A | Connect to PCB ground plane. Not internally connected. |