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KDC-MP225,MP4026/G
KDC-W4527/G/GY/Y,W427Y
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
CD SIGNAL MICROPROCESSOR : UPD63712GC (X32 : IC2)
Pin No.
Pin Name
I/O
Description / Processing Operation
1
VREFL
I
Reference voltage input terminal
2
AVSS
-
GND for ADC
3
AVCC
-
Power supply for ADC (BU3.3V)
4
NC
O
NC (OPEN)
5
20RST
O
Reset control output terminal (for decoder)
L : RESET, H : NORMAL
6
20ACK
I
Acknowledge signal input terminal (for decoder)
7
20STBY
O
Standby control (for decoder)
H : STAND BY, L : NORMAL
8,9
NC
O
NC (OPEN)
10
20INT
I
Interrupt signal input terminal (for decoder)
11
FOGUP
I
Interrupt for focus gain up control signal
H : Focus gain UP, L : NORMAL
12
LZM
I
0 bit muting detect (Lch)
L : MUTE OFF, H : MUTE ON
13
RZM
I
0 bit muting detect (Rch)
L : MUTE OFF, H : MUTE ON
14,15
NC
O
NC
16
20CS
O
Chip select signal output terminal (for decoder)
17
20LP
O
Latch pules signal output terminal (for decoder)
18
20TXD0
I/O
Serial data signal output terminal (for decoder)
19
20RXD0
I
Serial data signal input terminal (for decoder)
20
20SCLK0
O
Serial data clock output terminal (for decoder)
21
DSPTXD1
O
Serial data signal output terminal (for DSP)
22
DSPRXD1
I
Serial data signal input terminal (for DSP)
23
DSPSCLK1
O
Serial data clock output terminal (for DSP)
24
AM0
I
Select for ROM mode
H : NORMAL, L : External ROM mode
25
DVCC
-
BU3.3V
26
X2
O
Oscillator (16MHz)
27
DVSS
-
GND
28
X1
I
Oscillator (16MHz)
29
AM1
I
BU3.3V
30
RESET
I
Reset terminal
L : RESET, H : NORMAL
31,32
NC
O
NC
33,34
EMU0,1
O
NC
35
DSPSTB
O
Data strobe signal output terminal
36
DSPA0
O
Command, parameter select signal
H : Parameter, L : Command
37
DSPRST
O
Reset control output terminal (for DSP)
38
DSPINT
I
Interrupt signal input terminal (for DSP)
H : Interrupt
39
/DAC RESET
O
Reset signal output terminal (for DSP)
L : RESET, H : NORMAL
40
SEARCH
O
Search condition output terminal
H : Search, L : NORMAL
41
LOE/LIM_SW
I
SLT SW detect input terminal
H : Inside
42~45
NC
O
NC (OPEN)
46
PONE5
O
+5V AVR control terminal (for VIDEO)
H : Power ON
47
PONE2.5
O
+2.5V AVR control terminal (for VIDEO)
H : Power ON