TDA7546 Datasheet, PDF (41/68 Pages) STMicroelectronics – Multichip module for TMC tuner applications

TDA7546
Software specifications
Table 14. Addr 2 PLL counter 2 (MSB) (continued)
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
-
-
-
-
-
-
-
--
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
Function
Swallow mode: f_VCO/f_SYN = LSB + MSB + 32
Table 15. Addr 3,4 TV1,2 (offset refered to tuning voltage PIN 28)
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
0
0
0
0
0
0
0 Tuning Voltage Offset = 0
0
0
0
0
0
0
1 TVO = 25mV
0
0
0
0
0
1
0 TVO = 50mV
-
-
-
-
-
-
-
--
1
1
1
1
1
1
1 TVO = 3175mV
0
-TVO
1
+TVO
Table 16. Addr 5 IF counter control 1
MSB
d7 d6 d5 d4 d3 d2 d1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
0
1
0
1
0
LSB
Function
d0
0 t_Sample = 20.48ms (FM)128ms (AM )
1 t_Sample = 10.24ms (FM)64ms (AM )
0 t_Sample = 5.12ms (FM)32ms (AM )
1 t_Sample = 2.56ms (FM)16ms (AM )
0 t_Sample = 1.28ms (FM)8ms (AM )
1 t_Sample = 640μs (FM)4ms (AM )
0 t_Sample = 320μs (FM)2ms (AM)
1 t_Sample = 160μs (FM)1ms (AM )
IF counter disable / stand by
IF counter enable
has to be set
Disable mute & AGC on hold
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