Casio CPS-7, Руководство по обслуживанию

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— 8 —
1
2
CH1
CH2
3
4
5
CH1
CH2
CH3
6
7
8
– – –
CH1: 5 V CH2: 5 V CH3: 5 V
A 2
µ
s
0.1 s
CH1: CH2: 5 V 5 V
50
µ
s
CH1
CH2
CH3
CH1: CH2: 5 V 5 V CH3: 5 V
MAJOR WAVEFORMS
3 Key scan signal KC0
UPD912GF-3BA pin 31
4 Key scan signal KC1
UPD912GF-3BA pin 32
5
Key scan signal KC2
UPD912GF-3BA pin 33
1 POWER ON signal
UPD912GF-3BA pin 21
2 APO signal
UPD912GF-3BA pin 3
6 Word clock LRCK
UPD912GF-3BA pin 13
7 Data signal SO
UPD912GF-3BA pin 12
8 Bit clock BCK
UPD912GF-3BA pin 11