TDA7512F Datasheet, PDF (27/45 Pages) STMicroelectronics – FM car-radio tuner IC with intelligent selectivity system (ISS)

TDA7512F
Software specification
Table 7. Control register function (continued)
Register Name
Function
SMSL
S meter slope
SMTH
Softmute startpoint threshold
TDEV
TEST
Time constant for deviation detector
Testing PLL/IFC (only for testing)
TIN
Switch FSU PIN to TEST input (only for testing)
TINAC
Test input adjacent channel (only for testing)
TINACM
Test input adjacent channel mute (only for testing)
TINMP
TISS
Test input multipath(only for testing)
Time constant for ISS filter “ON”/”OFF”
TOUT
Switch FSU PIN to Test output (only for testing)
TVO
Tuning voltage offset for prestage
TVWB
Tuning voltage offset for prestage (weather band mode)
VCOD
XTAL
VCO divider
Xtal frequency adjust
Table 8. Subaddress
MSB
-
-
LSB
I A4 A3 A2 A1 A0
Function
-
-
-
0
0
0
0
0 Charge pump control
-
-
-
0
0
0
0
1 PLL lock detector
-
-
-
-
-
-
-
--
-
-
-
1
0
1
0
1 I/Q ADJ
-
-
0
-
-
-
-
- Page mode “OFF”
-
-
1
-
-
-
-
- Page mode enable
5.3
Data byte specification
Table 9. Addr 0 charge pump control
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
-
-
-
-
0
0
0
0 High current = 0 mA
-
-
-
-
0
0
0
1 High current = 0.5 mA
-
-
-
-
0
0
1
0 High current = 1 mA
-
-
-
-
0
0
1
1 High current = 1.5 mA
-
-
-
-
-
-
-
--
Doc ID 12668 Rev 2
27/45