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Technics SL-DZ1200PP

Technics SL-DZ1200PP
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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
I/O Function
1 P96 O Transmitting data for SC
DSC25 (reserve)
2 P95 I Communication clock for
SC DSC25 (reserve)
3 P94 I Platter pulse A (for time
measurement)
4 P93 I SC DSC25 communication
(reserve)
5 P92 O CP data
6 P91 O CP Light Emitting Diode
control
7 P90 O CP clock output
8 BYTE I External data bus width
setup ('H' 8-bit width)
9 CNV
SS
I Processor mode change
(for Flash writing)
10 P87 O IO RESET
11 P86 O MUTE
12 /RESET I Reset signal input
13 XOUT - Not used. (Open)
14 VSS P Power supply
15 XIN I Clock input
16 VCC P Power supply
17 P85 I Not used. (’H’)
18 P84 I/O CONTROL terminal
19 P83 I/O CONTROL terminal
20 P82 I/O Not used. (’H’)
21 P81 I Platter pulse B (count)
22 P80 I Platter pulse A (count)
23 P77 - Not used. (Open)
44

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