TDA7540B STMicroelectronics, TDA7540B Datasheet - Page 60

• Manufacturer Part Number: TDA7540B
• Manufacturer: STMicroelectronics

Specifications of TDA7540B

• Case: TQFP
• Dc: 06+
• Lead Free Status / Rohs Status: Compliant

DOCUMENT CD00108485
Copyright STMicroelectronics
Software specification
Table 35.
Table 36.
56/75
MSB
MSB
d7
d7
0
1
0
0
d6
d6
0
1
0
1
REVISION 1.0
Addr 24 Stereodecoder 1
Addr 25 Stereodecoder 2
d5
d5
0
0
1
1
0
1
d4
d4
0
1
0
1
0
1
d3
d3
0
1
0
1
d2
d2
0
1
0
1
d1
d1
0
1
0
1
LSB
LSB
d0
d0
0
1
0
1
COMPANY INTERNAL
Test mode stereodecoder and audioprocessor “ON”
Test mode stereodecoder and audioprocessor “OFF”
Audio AM noise blanker fix threshold disable
Audio AM noise blanker fix threshold enable
Fast clock for testing audioprocessor “ON”
Fast clock for testing audioprocessor “OFF”
Audio inverter OFF
Audio inverter ON
Audio noise blanking time (FM = 38µs, AM = 1.2 ms)
Audio noise blanking time (FM = 25,5µs, AM = 0.8 ms)
Audio noise blanking time (FM = 32µs, AM = 1.0 ms)
Audio noise blanking time (FM = 22µs, AM = 0.64 ms)
Stereodecoder VCO adjust minus
Stereodecoder no VCO adjust
Stereodecoder VCO adjust plus
Stereodecoder no VCO adjust
Stereo decoder mute disable
Stereo decoder mute enable
Stereo decoder “ON” if muted
Stereo decoder “OFF” if muted
Forced MONO, must be set in AM
MONO/STEREO switch automatically
Noise blanker peak charge current low
Noise blanker peak charge current high
Pilot threshold high
Pilot threshold low
Deemphasis 50
Deemphasis 75
Stereodecoder ingain = 3,75dB
Stereodecoder ingain = 2,5dB
ACTIVE
µ
µ
s
s
Function
Function
Unauthorized reproduction and communication strictly prohibited
DATE 11-May-2006
TDA7540B
page: 56/75