TDA7427A Datasheet, PDF (18/21 Pages) STMicroelectronics – AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER

TDA7427A
OSCILLATOR ADJUST
MSB
D7 D6
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
-
-
D5
D4
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
1
X
1
X
1
X
1
X
1
X
1
X
1
X
1
X
1
X
1
X
1
X
1
X
1
X
1
X
1
X
1
- OSC4
D3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
OSC3
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
OSC2
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
OSC1
LSB
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
OSC0
FUNCTION
Cload 1,2 = 3pF
Cload 1,2 = 4.25pF
Cload 1,2 = 5.5pF
Cload 1,2 = 6.75pF
Cload 1,2 = 8pF
Cload 1,2 = 9.25pF
Cload 1,2 = 10.5pF
Cload 1,2 = 11.75pF
Cload 1,2 = 13pF
Cload 1,2 = 14.25pF
Cload 1,2 = 15.5pF
Cload 1,2 = 16.75pF
Cload 1,2 = 18pF
Cload 1,2 = 19.25pF
Cload 1,2 = 20.5pF
Cload 1,2 = 21.75pF
Cload 1,2 = 23pF
Cload 1,2 = 24.25pF
Cload 1,2 = 25.5pF
Cload 1,2 = 26.75pF
Cload 1,2 = 28pF
Cload 1,2 = 29.25pF
Cload 1,2 = 30.5pF
Cload 1,2 = 31.75pF
Cload 1,2 = 33pF
Cload 1,2 = 34.25pF
Cload 1,2 = 35.5pF
Cload 1,2 = 36.75pF
Cload 1,2 = 38pF
Cload 1,2 = 39.25pF
Cload 1,2 = 40.5pF
Cload 1,2 = 41.75pF
Bit name
Subaddress = 0AH
PORT EXTENSION CONTROL
MSB
D7
0
-
LSB
FUNCTION
D6
D5
D4
D3
D2
D1
D0
0 CMOS push-pull DOUT1 low
1 CMOS push-pull DOUT1 high
0
NPN opencollector DOUT2 inactive
1
NPN opencollector DOUT2 active
0
NPN opencollector DOUT6 inactive
1
NPN opencollector DOUT6 active
0
NPN opencollector DOUT5 inactive
1
NPN opencollector DOUT5 active
0
NPN opencollector DOUT4 inactive
1
NPN opencollector DOUT4 active
0
NPN opencollector DOUT3 inactive
1
NPN opencollector DOUT3 active
0
always ”0” in application mode
- DOUT3 DOUT4 DOUT5 DOUT6 DOUT2 DOUT1 Bit name
Subaddress = 0BH
18/21