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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Page 17
Image 17
Casio GZ-500 manual Major Waveforms