Pin No.TerminalIn/OutFunction
1 ~ 8CD0 ~ CD7In/OutData bus
9, 10Not used
11GND7InGround (0 V) source
12CK16Out16.384 MHz clock output
13VCC6In+5 V source
14CK0InClock input. Connected to terminal CK16.
15TCKBNot used
16VCC1In+5 V source
17GND1InGround (0 V) source
18, 19XT0, XT1In/Out16.384 MHz clock input/output. Connected to a crystal oscillator.
20SGLInSystem control terminal. Single chip system: Open
21CCSBInChip select signal input
22 ~ 25 CA0 ~ CA3InAddress bus
26CE0InNot used. Connected to ground.
27CWRBInWrite enable signal
28CRDBInRead enable signal
29 ~ 32Not used
33RESBInReset signal input
34TESBInNot used. Connected to +5 V.
35 ~ 39Not used
40 ~ 49
52 ~ 57RD0 ~ RD15InAddress bus for the sound source ROM
50VCC2+5 V source
51GND2Ground (0 V) source
58RA23OutNot used
59RA22OutChip select signal for the sound source ROM
60, 61RA20, RA21OutNot used
62 ~ 73
RA0 ~ RA19OutAddress bus for the sound source ROM
75 ~ 82
74GND5InGround (0 V) source
83WOK2OutWord clock output. Not used.
84VCC3In+5 V source
85GND3InGround (0 V) source
86WOK1OutWord clock for the DAC
87SOLMOutSerial data output. Not used.
88SOLPOutSerial sound data output for the DAC
89BOKOutBit clock output for the DAC
90 ~ 92Not used
93VCC5In+5 V source
94EA14OutNot used
95, 97
99 ~ 105
107, 109EA0 ~ EA12OutAddress bus for the effect RAM
110, 112
N 7 N |