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A.2

Digital Interface Connectors (J16 and J17)

The TLV320AIC3104EVM is designed to easily interface with multiple control platforms. Samtec part

numbers SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-P provide a convenient 10-pin dual row

header/socket combination at J16 and J17. These headers/sockets provide access to the digital control

and serial data pins of the device. Consult Samtec at www.samtec.com or call 1-800- SAMTEC-9 for a

variety of mating connector options. Table A-3 summarizes the digital interface pinout for the

TLV320AIC3104EVM.

Table A-3. Digital Interface Pinout

PIN NUMBER

SIGNAL

DESCRIPTION

J16.1

Not Connected

J16.2

GPIO1

General-Purpose Input/Output #1

J16.3

SCLK

SPI Serial Clock

J16.4

DGND

Digital Ground

J16.5

Not Connected

J16.6

GPIO2

General Purpose Input/Output #2

J16.7

/SS

SPI Chip Select

J16.8

RESET INPUT

Reset signal input to AIC33EVM

J16.9

Not Connected

J16.10

DGND

Digital Ground

J16.11

MOSI

SPI MOSI Slave Serial Data Input

J16.12

SPI SELECT

Select Pin (SPI vs I2C Control Mode)

J16.13

MISO

SPI MISO Slave Serial Data Output

J16.14

AIC33 RESET

Reset

J16.15

Not Connected

J16.16

SCL

I2C Serial Clock

J16.17

Not Connected

J16.18

DGND

Digital Ground

J16.19

Not Connected

J16.20

SDA

I2C Serial Data Input/Output

J17.1

Not Connected

J17.2

Not Connected

J17.3

BCLK

Audio Serial Data Bus Bit Clock (Input/Output)

J17.4

DGND

Digital Ground

J17.5

Not Connected

J17.6

Not Connected

J17.7

WCLK

Audio Serial Data Bus Word Clock (Input/Output)

J17.8

Not Connected

J17.9

Not Connected

J17.10

DGND

Digital Ground

J17.11

DIN

Audio Serial Data Bus Data Input (Input)

J17.12

Not Connected

J17.13

DOUT

Audio Serial Data Bus Data Output (Output)

J17.14

Not Connected

J17.15

Not Connected

J17.16

SCL

I2C Serial Clock

J17.17

MCLK

Master Clock Input

J17.18

DGND

Digital Ground

J17.19

Not Connected

J17.20

SDA

I2C Serial Data Input/Output

SLAU218 – August 2007

EVM Connector Descriptions

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