TDA7511 Datasheet, PDF (25/41 Pages) STMicroelectronics – AM/FM TUNER FOR CAR RADIO AND HIFI APPLICATIONS

TDA7511
Addr 5 PLL Reference Counter 2 (MSB)
Table 9.
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
0 0 0 0 0 0 0 0 MSB = 0
0 0 0 0 0 0 0 1 MSB = 256
0 0 0 0 0 0 1 0 MSB = 512
-
-
-
-
-
-
-
--
1 1 1 1 1 1 0 0 MSB = 64768
1 1 1 1 1 1 0 1 MSB = 65024
1 1 1 1 1 1 1 0 MSB = 65280
1 1 1 1 1 1 1 1 MSB = 65536
Note: 1. f_OSC/f_REF = LSB + MSB + 1
Function
Addr 6, Addr7, Addr 8 TV1,2 (proportional and offset control referred to tuning voltage V28)
Table 10.
addr8
addr6
d7 d6 d7 d6 d5 d4 d3 d2 d1 d0
addr8
addr7
d5 d4 d7 d6 d5 d4 d3 d2 d1 d0
0 0 0 0 0 0 TVR = 0
0 0 0 0 0 1 TVR = -1
0 0 0 0 1 0 TVR = -2
-------
--
0 1 1 1 1 1 TVR = -31
1 0 0 0 0 1 TVR = +1
1 0 0 0 1 0 TVR = +2
- - - - - - - - - --
1 1 1 1 1 1 TVR = +31
0000
TVO = 0
0001
TVO = -1
0010
TVO = -2
- - - - - - - - - --
0111
TVO = -7
1001
TVO = +1
1010
TVO = +2
-----
- - - --
1111
TVO = +7
Function TV1
Function TV2
Note: 1. TV1,2 = V28 + V28 * TVR/128 + TVO * 50mV
TVR: -31, -30, ... 0 ... 30, 31
TVO: -7, -6, ... 0 ... 6, 7
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