tda7421n STMicroelectronics, tda7421n Datasheet - Page 26

• Manufacturer Part Number: tda7421n
• Description: Am/fm Tuner For Car Radio And Hi-fi Applications
• Manufacturer: STMicroelectronics

TDA7421N
6.3 PLL COUNTER 2 (MSB)
Swallow mode: fvco/fsyn = LSB + MSB + 32
6.4 PLL REFERENCE COUNTER 1 (LSB)
6.5 PLL REFERENCE COUNTER 2 (MSB)
fOSC/fREF = LSB + MSB + 1
26/38
PC15
RC15
MSB
MSB
MSB
RC7
D7
D7
D7
0
0
0
1
1
1
1
0
0
0
1
1
1
1
0
0
0
1
1
1
1
RC14
PC14
RC6
D6
D6
D6
0
0
0
1
1
1
1
0
0
0
1
1
1
1
0
0
0
1
1
1
1
RC13
PC13
RC5
D5
D5
D5
0
0
0
1
1
1
1
0
0
0
1
1
1
1
0
0
0
1
1
1
1
all combinations allowed
all combinations allowed
all combinations allowed
PC12
RC12
RC4
D4
D4
D4
0
0
0
1
1
1
1
0
0
0
1
1
1
1
0
0
0
1
1
1
1
RC11
PC11
RC3
D3
D3
D3
0
0
0
1
1
1
1
0
0
0
1
1
1
1
0
0
0
1
1
1
1
RC10
PC10
RC2
D2
D2
D2
0
0
0
1
1
1
1
0
0
0
1
1
1
1
0
0
0
1
1
1
1
RC1
RC9
PC9
D1
D1
D1
0
0
1
0
0
1
1
0
0
1
0
0
1
1
0
0
1
0
0
1
1
LSB
PC8
LSB
RC0
LSB
RC8
D0
D0
D0
0
1
0
0
1
0
1
0
1
0
0
1
0
1
0
1
0
0
1
0
1
MSB = 0
MSB = 256
MSB = 512
MSB = 64768
MSB = 65024
MSB = 65280
MSB = 65536
Bit name
LSB = 0
LSB = 1
LSB = 2
LSB = 252
LSB = 253
LSB = 254
LSB = 255
Bit name
MSB = 0
MSB = 256
MSB = 512
MSB = 64768
MSB = 65024
MSB = 65280
MSB = 65536
Bit name
FUNCTION
FUNCTION
FUNCTION
Subaddress =03H
Subddress = 02H
Subddress = 04H