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14.2. Printed Circuit Board
15. Block Diagram
16. Wiring Connection Diagram
17. Terminal Function of ICs
17.1. IC2(C2CBHH000043): / SYSTEM CONTROL / (UI
Microcomputer)
Pin No. Terminal
Name
1
P96
2
P95
3
P94
4
P93
5
P92
6
P91
7
P90
8
BYTE
9
CNV
SS
10
P87
11
P86
12
/RESET
13
XOUT
14
VSS
15
XIN
16
VCC
17
P85
18
P84
19
P83
20
P82
21
P81
22
P80
23
P77
I/O
Function
O Transmitting data for SC
DSC25 (reserve)
I
Communication clock for
SC DSC25 (reserve)
I
Platter pulse A (for time
measurement)
I
SC DSC25 communication
(reserve)
O CP data
O CP Light Emitting Diode
control
O CP clock output
I
External data bus width
setup ('H' 8-bit width)
I
Processor mode change
(for Flash writing)
O IO RESET
O MUTE
I
Reset signal input
-
Not used. (Open)
P Power supply
I
Clock input
P Power supply
I
Not used. ('H')
I/O CONTROL terminal
I/O CONTROL terminal
I/O Not used. ('H')
I
Platter pulse B (count)
I
Platter pulse A (count)
-
Not used. (Open)
44
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