Texas Instruments SLEU056 manual PC and I2C Interface J300, Analog Output Connector J170

Models: SLEU056

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Description of Connectors

Table 2−1. Description of J160 and J170

Pin No.

Description

Analog Input Connector (J160)

1Left Channel Input

2Ground

3Right Channel Input

Analog Output Connector (J170)

1Left Channel output

2Ground

3Right Channel Output

2.4.4PC and I2C Interface (J300)

The PC interface using the attached special cable to parallel/printer port on the PC. This makes it possible to control the TAS3002 digital audio processor totally from the PC using the special DCT software saved on the PurePath Digitalt amplifier CD-ROM.

The PC interface can also be used to control the TAS3002 from an external microcontroller of your own choice.

Figure 2−5. Pin Numbers at the Parallel Port/I2C Interface/I2C (J300)

9 8

7

6 5 4 3

2 1

Table 2−2. Description of J300

Pin No.

Pin Description

I/O

Net Name on Schematic

1

Power ON Reset

O

 

 

POWER−ON−RESET

2

Serial Data Line (SDA)

I/O

SDA−BI

 

 

 

 

3

Serial Clock Line (SCL)

I/O

SCL−BI

 

 

 

 

4

Serial Data Line In

I

SDA−IN

 

 

 

 

5

Serial Clock Line Out

O

SCL−OUT

 

 

 

 

6

Reserved

For future use

 

 

 

 

7

Serial Data Line Out

O

SDA−OUT

 

 

 

 

8

Serial Clock Line In

I

SCL−IN

 

 

 

 

9

0 V

GND

Pin 2 (SDA) and pin 3 (SCL) are used for communication between an external micro-controller and the digital audio processor.

Detailed Description of the EVM

2-5

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Texas Instruments SLEU056 manual PC and I2C Interface J300, Pin No Description Analog Input Connector J160