TDA7801 datasheet(42/48 Pages) STMICROELECTRONICS

Part #	TDA7801

Description	Digital input quad power amplifier with built-in diagnostics features

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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42 / 48 page

I2C registers

TDA7801

42/48

DocID022674 Rev 4

9.9

DB3-Addr:"10011" - Channel 4 (right rear)

9.10

DB4-Addr:"10100"

Table 19. DB3-Addr:"10011" - Channel 4 (right rear)

Bit

Instruction decoding bit

0: channel 2 and 4 in play (FRONT)

1: channel 2 and 4 in mute

0: channel 1 and 3 in play (REAR)

1: channel 1 and 3 in mute

Channel 4 offset detection

0: No output offset

1: Output offset detected

Channel 4(1)

0: permanent diag. cycle not activated or not terminated

1: Permanent diag. cycle terminated

1. The permanent diagnostic cycle is activated after each register reading if the permanent diagnostic is still present.

Channel 4

0: Normal load

1: Short load

Channel 4

0: No open load

1: Open load detection

(only during turn-on diagnostic)

Channel 4

0: No short to Vcc

1: Short to Vcc

Channel 4

0: No short to GND

1: Short to GND

Table 20. DB4-Addr:"10100"

Bit

Instruction decoding bit

Ch1 tweeter present

Ch2 tweeter present

Ch3 tweeter present

Ch4 tweeter present

Signal to high

TDA7801 Datasheet(PDF) 42 Page - STMicroelectronics

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