TDA75610DLVPD datasheet(30/37 Pages) STMICROELECTRONICS

30 / 37 page

Software specifications

TDA75610DLVPD

30/37

DocID024175 Rev 8

If R/W = 1, the TDA75610DLVPD sends 4 "Diagnostics Bytes" to

P: DB1, DB2, DB3 and

DB4.

Table 8. IB2

Bit

Instruction decoding bit

Current detection threshold

High th (D7 = 0)

Low th (D7 =1)

Normal muting time (D5 = 0)

Fast muting time (D5 = 1)

Stand-by on - Amplifier not working - (D4 = 0)

Stand-by off - Amplifier working - (D4 = 1)

Power amplifier mode diagnostic (D3 = 0)

Line driver mode diagnostic (D3 = 1)

Current Detection Diagnostic Enabled (D2 =1)

Current Detection Diagnostic Defeat (D2 =0)

Right Channel Power amplifier working in standard mode (D1 = 0)

Power amplifier working in high efficiency mode (D1 = 1)

Left Channel Power amplifier working in standard mode (D0 = 0)

Power amplifier working in high efficiency mode (D0 = 1)

Table 9. DB1

Bit

Instruction decoding bit

Thermal warning 1 active (D7 = 1), Tj = 155°C

Diag. cycle not activated or not terminated (D6 = 0)

Diag. cycle terminated (D6 = 1)

Channel LF (CH1)

Current detection IB2 (D7) = 0

Output peak current < 250 mA - Open load (D5 = 1)

Output peak current > 500 mA - Normal load (D5 = 0)

Channel LF (CH1)

Current detection IB2 (D7) = 1

Output peak current < 125 mA - Open load (D5 = 1)

Output peak current > 250 mA - Normal load (D5 = 0)

Channel LF (CH1)

Turn-on diagnostic (D4 = 0)

Permanent diagnostic (D4 = 1)

Channel LF (CH1)

Normal load (D3 = 0)

Short load (D3 = 1)

Channel LF (CH1)

Turn-on diag.: No open load (D2 = 0)

Open load detection (D2 = 1)

Offset diag.: No output offset (D2 = 0)

Output offset detection (D2 = 1)

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