TDA7541B Datasheet, PDF (47/77 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

TDA7541B
Software specification
5.4
Data byte specification
Table 16. Subaddress description
MSB
LSB
-
- I A4 A3 A2 A1 A0
0 0 0 0 0 Charge pump control
-
--
1 0 1 1 1 Audio noise blanker II
Function
0
Page mode “OFF”
-
-
---- -
1
Page mode enable
Table 17. Addr 0 TPLL charge pump control (0Bh)
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
ICP<2:0>
0 0 0 Charge pump current = 50 µA
0 0 1 Charge pump current = 0.5 mA
0 1 0 Charge pump current = 1 mA
-
---
- _{0 1 1 Charge pump current = 1.5 mA}
1 1 0 Charge pump current = 3 mA
1 1 1 Charge pump current = 3.5 mA
LDENA
-
- - -0- -
- Lock detector disable
1
Lock detector enable
SDM
-
- -0- - -
- Stereo decoder mute disable
1
Stereo decoder mute enable
LM
-
-
0
-
-
-
-
- Local mode disable
1
Local mode enable
ASFC
-
0-
-
-
-
-
- Weak signal mute and AGC normal mode in FM
1
Weak signal mute and AGC on hold in FM mode
SEEK
0
-
-
-
-
-
-
- ISS time constant at pin 30 available, AM SEEK “OFF”
1
ISS time constant at pin 31 available, AM SEEK “ON”
Doc ID 16048 Rev 1
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