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0.5 s
1
2
CH1: 5 V
CH2: 5 V
1 Voltage VDD
JG connector pin 8
2 Initial reset signal
RH5VL36A pin 1
20 µs
6
7
8
CH1: 5 V
CH2: 5 V
CH3: 5 V
6 Key scan signal KC0
HG52E35P pin 44
7 Key scan signal KC1
HG52E35P pin 45
8 Key scan signal KC2
HG52E35P pin 46
MAJOR WAVEFORMS
0.5 s
3
CH1
4
CH2
5
CH1: 5 V
CH2: 5 V CH3: 5 V
3 Power ON signal NMI
JF connector pin 4
4 APO signal
JG connector pin 5
5 Reset signal
UPD65611GB-019-38A pin 9
5 ms
CH1
9
CH2
0
CH3
A
CH1: 5 V
CH2: 5 V CH3: 5 V
9 Button scan signal KO0
JF connector pin 6
0 Button scan signal KO1
JF connector pin 7
A Button scan signal KO2
JF connector pin 8
1 µs
B
CH1
CH2
C
CH3
D
CH1: 5 V
CH2: 5 V CH3: 5 V
B Word clock WOK1
UPD6376GS pin 13
C Data S1 (Note OFF)
UPD6376GS pin 15
D Bit clock BOK
UPD6376GS pin 16
CH1
CH2
CH3
— 15 —
1 µs
CH1
E
CH2
F
CH3
˜
˜
CH1: 20 mV
CH2: 20 mV
E Sound waveform (L)
JG connector pin 14
F Sound waveform (R)
JG connector pin 13
Tone:
Whistle (No. 078)
Key:
A4
Touch response: OFF
CH1
CH2
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