TDA7801PD datasheet(39/48 Pages) STMICROELECTRONICS

部件名	TDA7801PD

功能描述	Digital input quad power amplifier with built-in diagnostics features

PDF	48 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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39 / 48 page

DocID022674 Rev 4

39/48

TDA7801

I2C registers

9.6

DB0-Addr:"10000" - Channel 1 (left front)

Table 16. DB0-Addr:"10000" - Channel 1 (left front)

Bit

Instruction decoding bit

Power on reset (POR)

0: After a POR the device is in tristate

1: The device has been put out of tristate at least one time after POR

Start-up diagnostic status

0: Turn-On diag. cycle not activated or not terminated

1: Turn-On diag. cycle terminated

Channel 1 offset detection

0: No output offset

1: Output offset detected

Channel 1(1)

0: Permanent diagnostic cycle not activated or not terminated

1: Permanent diagnostic cycle terminated

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

present, (IB0-d7="1").

Channel 1

0: Normal load

1: Short load

Channel 1

0: No open load

1: Open load detection

(only during turn-on diagnostic)

Channel 1

0: No short to Vcc

1: Short to Vcc

Channel 1

0: No short to GND

1: Short to GND

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