KDC-Z828,Z828
6
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Panel Microcomputer UPD703033GC062 (IC900 : Control uCOM)
PinNo.
Pin name
I/O
Description
Processing Operation
1
VFD_DATA1
O
Data output "1" to VFD driver
2
VFD_CLK
O
Clock output to VFD driver
3
NC
I
Resistor connected to GND
4
VFD_DATA2
O
Data output "2" to VFD driver
5
VFD_CLK_IN
I
Clock input from VFD_CLK (For use in synchronization of DATA 1 and 2)
6
EVdd
Connected to PNL 5 V
7
EVss
Connected to GND
8
NC
O
Output open.
9
5V_ON
O
Power supply control output to Remote Control IC and SA_IC.
5V ON:HI, 5V OFF:LO
10
REMO
I
Remote control signal input
11
NC
O
Output open.
12
VFD_LATCH
O
Latch output to VFD driver
13
VFD_GCP
O
Luminance gradation control output to VFD driver
14
A13
O
Address output "A13" to external ROM
15
A14
O
Address output "A14" to external ROM
16
A15
O
Address output "A15" to external ROM
17
VFD_BLK
O
Blank output to VFD driver
Display ON: High. Display OFF: Low.
18
IC/Vpp
Test
19
A5
O
Address output "A5" to external ROM
20
A6
O
Address output "A6" to external ROM
21
A7
O
Address output "A7" to external ROM
22
A8
O
Address output "A8" to external ROM
23
A9
O
Address output "A9" to external ROM
24
A10
O
Address output "A10" to external ROM
25
A11
O
Address output "A11" to external ROM
26
A12
O
Address output "A12" to external ROM
27
A1
O
Address output "A1" to external ROM
28
A2
O
Address output "A2" to external ROM
29
A3
O
Address output "A3" to external ROM
30
A4
O
Address output "A4" to external ROM
31
RESET
I
Reset input
32
XT1
Resistor connected to GND
33
XT2
OPEN
34
REGC
1 uF connected to GND
35
X2
Connected to Main X'tal
36
X1
Connected to Main X'tal
37
Vss
Connected to GND
38
Vdd
Connected to PNL 5 V
39
CLKOUT
OPEN
40
NC
O
OUTPUT OPEN
41
NC
O
OUTPUT OPEN
MICROCOMPUTER'S TERMINAL DESCRIPTION
