MAJOR WAVEFORMS
A . 1 s
1
2
CH1: 5 V CH2: 5 V
1Voltage VDD
CG connector pin 6
2Initial reset signal RH5VL36A pin 1
A 20 ∝s
6
7
8
CH1: 5 V CH2: 5 V CH3: 5 V
6Key scan signal KC0 HG52E35P pin 44
7Key scan signal KC1 HG52E35P pin 45
8Key scan signal KC2 HG52E35P pin 46
A . 1 s
CH1 3
4
CH2
5
CH1: 5 V CH2: 5 V
3Power ON signal PSW HD6433298A42F pin 5
4APO signal HD6433298A42F pin 59
5Reset signal HD6433298A42F pin 3
A 10 ms
CH1
9
CH2
0
CH3
A
CH1: 5 V CH2: 5 V CH3: 5 V
9Button scan signal KO0 CE connector pin 1
0Button scan signal KO1 CE connector pin 2
AButton scan signal KO2 CE connector pin 4
A 1 ∝s
CH1
B
CH2
C
D
CH1: 5 V CH2: 5 V CH3: 5 V
BWord clock WOK1 UPD6376GS pin 13
CData S1 (Note OFF) UPD6376GS pin 15
DBit clock BOK UPD6376GS pin 16
A . 1 ms
Note OFF
CH1
G
CH2
Note ON
CH3
CH1: 5 V
GMIDI signal output CG connector pin 16
A 1 ms
CH1
CH1 E
CH2
CH2
F
CH3
~ | ~ |
CH1: 20 mV | CH2: 20 mV |
EFilter output AOR CG connector pin 3
FFilter output AOL CG connector pin 4
Tone : Whistle (No. 078)
Key : A4
Touch response : OFF
CH1
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