E-TDA7566 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
E-TDA7566
STMicroelectronics
E-TDA7566 Datasheet PDF : 29 Pages
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Software specifications
TDA7566
Table 7. IB2
Bit
Instruction decoding bit
D7
0
D6
0
D5
0
Standby on - Amplifier not working - (D4 = 0)
D4
Standby off - Amplifier working - (D4 = 1)
Power amplifier mode diagnostic (D3 = 0)
D3
Line driver mode diagnostic (D3 = 1)
Current detection diagnostic enabled (D2 = 1)
D2
Current detection diagnostic defeat (D2 = 0)
D1
0
D0
0
If R/W = 1, the TDA7566 sends 4 "Diagnostics Bytes" to mP: DB1, DB2, DB3 and DB4.
Table 8.
Bit
D7
D6
D5
D4
D3
D2
D1
D0
DB1
Instruction decoding bit
Thermal warning active (D7 = 1)
Diag. cycle not activated or not terminated (D6 = 0)
Diag. cycle terminated (D6 = 1)
Channel LF
Current detection
Output peak current < 250mA - Open load (D5 = 1)
Output peak current > 500mA - Open load (D5 = 0)
Channel LF
Turn-on diagnostic (D4 = 0)
Permanent diagnostic (D4 = 1)
Channel LF
Normal load (D3 = 0)
Short load (D3 = 1)
Channel LF
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)
Channel LF
No short to Vcc (D1 = 0)
Short to Vcc (D1 = 1)
Channel LF
No short to GND (D1 = 0)
Short to GND (D1 = 1)
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Doc ID 9801Rev 5
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