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IC DESCRIPTION
IC, UPD780228GF-084
1
O-K-SCAN
O
Switch scan timing output.
2
TUNER ON
O
Tuner ON/OFF output.
3
O-DATA(M)
O
Data output for sound.
4
C
-
Connected to a pulled up resistor.
5
O-STB(M)
O
Latch strobe output for sound control.
6
O-MUTE
O
System mute ON/OFF output..
7
O-CLK (M)
O
Clock output.
8
I-TM-BASE
I
Time-base single input.
9
O-POWER
O
System power supply ON/OFF output.
10
O-5VMRESET
O
Reset output for IC, CS8415A.
11
O-5VDSP/RESET
O
Reset output for IC, CS49326.
12
I-MIC
-
Connected to a pulled up resistor.
13
O-5VDSP/CSN
O
Chip select output for IC, CS49326.
14
O-5VMOSI
O
Serial control data for IC, CS4228A.
15
O-2VMISO(MISO)/
O
Serial control data output for IC, CS49326.
SUR-MUTE
16
O-5VSCK/C-MUTE
O
Clock serial control output for IC, CS4228A.
17
IC
-
Connected to GND.
18
VSS
-
GND.
19
VDD+5V
-
Power supply input.
20
O-2VINTRQ
O
Control port interrupt request output for IC, CSA9326
21
O-CLK-SW
O
Pre-emphasis output for IC, CS8415A.
22
I-RDS-DATA
I
RDS serial data input.
23
O-5VMISO
O
Serial control data output for IC, CS8415A.
24
A
-
Connected to a pulled up resistor.
25
O-MCU/B
-
Connected to a pulled up resistor.
26
O-8415CSN
O
Chip select output for IC, CS8415A.
27
O-4228CSN
O
Chip select output for IC, CS4228A.
28
I-RDS-CLK
I
RDS clock input.
29
RERR
O
Receiver error output for IC, CS8415A.
30
RESET
I
Reset input.
31
O-PLL-CE
O
PLL IC chip enable output for IC, LC72131D-N.
32
O-TAPE-ATT
O
ATT output for function tape.
33
O-STB (MIC)
-
Not used.
34
I-RMC
I
System remote control signal input.
35
O-STB (T92)
-
Connected to a pulled down resistor.
36
C-SHIFT
O
Micon clock shift output.
37
VDD1
-
Power supply input.
38,39
X2,X1
-
4.19 MHz oscillator circuit.
40
VSS1
-
GND.
41
AVDD
-
Power supply input.
Description
Pin No.
Pin Name
I/O
All manuals and user guides at all-guides.com
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