TDA7513T_07 Datasheet, PDF (50/84 Pages) STMicroelectronics – Single chip FM/AM tuner with stereo decoder and audio processor

Software specifications
TDA7513T
Table 35. Subaddress 1: PLL lock detector, FM mode and test
MSB
LSB
Function
D7 D6 D5 D4 D3 D2 D1 D0
Charge pump
0 VCO adjust lock Disable
1 VCO adjust lock Enable
0
fref BYPASS Disable
1
fref BYPASS Enable
Tuner / PLL AM/FM mode
0
Select AM mode
1
Select FM mode
Lock detector control
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
0
1
PD phase difference threshold 10ns
PD phase difference threshold 20ns
PD phase difference threshold 30ns
PD phase difference threshold 40ns
Not valid
Activation delay 4x1/f_REF
Activation delay 6x1/f_REF
Activation delay 8x1/f_REF
Lock detector doesn’t control charge
pump
Lock detector controls charge pump
Table 36. Subaddress 2: PLL counter 1 (LSB)
MSB
LSB
Function
D7 D6 D5 D4 D3 D2 D1 D0
0
0
0
0
0
0
0
0 LSB = 0
0
0
0
0
0
0
0
1 LSB = 1
0
0
0
0
0
0
1
0 LSB = 2
1
1
1
1
1
1
0
0 LSB = 252
1
1
1
1
1
1
0
1 LSB = 253
1
1
1
1
1
1
1
0 LSB = 254
1
1
1
1
1
1
1
1 LSB = 255
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