— 12 —
MAJOR WAVEFORMS
1
NMI signal
JE connector pin 16
2
APO signal
JD connector pin 9
5
Key scan signal KC0
JB connector pin 1
6
Key scan signal KC1
JB connector pin 2
3
Button scan signal PA0
JD connector pin 14
4
Button scan signal PA1
JE connector pin 14
9
DAC output (L-ch)
JD connector pin 6
0
Dac output (R-ch)
JD connector pin 7
A
Sound signal (L-ch)
JF connector pin 2
B
Sound signal (R-ch)
JF connector pin 1
7
RS signal PA4
JC connector pin 7
8
R/W signal PA5
JC connector pin 6
Tone : Whistle (078)
Key :
A4
Touch response : Off
Reverb : Off
Volume : Maximum
1
2
CH1
CH2
3
4
CH1
CH2
5
6
CH1
CH2
7
8
CH1
CH2
9
0
CH1
CH2
A
B
CH1
CH2
0.5 s
20 ms
50
µ
s
0.5 s
1 ms
1 ms
CH1: 5 V
–
CH2: 5 V
–
CH1: 5 V
–
CH2: 5 V
–
CH1: 5 V
–
CH2: 5 V
–
CH1: 5 V
–
CH2: 5 V
–
CH1: 50 mV
˜
CH2: 50 mV
˜
CH1: 50 mV
˜
CH2: 50 mV
˜
Power button ON
Power ON
