Casio Cassiopeia A-10, Operation, Service Manual & Parts List

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N o Pin Name I n / O u t Function To/From
1 SCK1 O Serial port 1 clock SYSTEM LSI
2 CTS1 O Serial port 1 transmission permission U6(RS232C)
3 RTS1 I Serial port 1 transmission request U6(RS232C)
4 TESTMD I Test mode control.GND
5 Port7 I/O ON/OF contorol for EL (H=EL ON) Q831(EL block)
8 Port6 I/O RTS(Request To Send) signal for RS232C U6(RS232C)
9 Port5 O CTS(Clear To Send) signal for RS232C U6(RS232C)
10 Port4 I/O Audio mute signal U6(RS232C)
11 Port3 I/O EPDO signal for PCMCIA PCMCIA Card
12 Port2 I/O EPSK signal for PCMCIA PCMCIA Card
13 Port1 I/O EPCS signal for PCMCIA PCMCIA Card
14 Port0 I Low battery warning signal for Alkaline U17(Detector)
15 D15 I/O Data bus
16 D14 I/O Data bus
21 D13 I/O Data bus
22 D12 I/O Data bus
23 D11 I/O Data bus
24 D10 I/O Data bus
25 D9 I/O Data bus
26 D8 I/O Data bus
27 D7 I/O Data bus
28 D6 I/O Data bus
29 D5 I/O Data bus
32 D4 I/O Data bus
33 D3 I/O Data bus
34 D2 I/O Data bus
35 D1 I/O Data bus
36 D0 I/O Data bus
37 A0 I/O Address bus
38 A1 I/O Address bus
39 A2 I/O Address bus
40 A3 I/O Address bus
43 A4 I/O Address bus
44 A5 I/O Address bus
45 A6 I/O Address bus
46 A7 I/O Address bus
47 A8 I/O Address bus
48 A9 I/O Address bus
51 A10 I/O Address bus
52 A11 I/O Address bus
53 A12 I/O Address bus
56 A13 I/O Address bus
57 A14 I/O Address bus
58 A15 I/O Address bus
61 A16 I/O Address bus
62 A17 I/O Address bus
63 A18 I/O Address bus
64 A19 I/O Address bus
65 A20 I/O Address bus
66 A21 I/O Address bus
67 A22 I/O Address bus
70 A23 I/O Address bus
71 A24 I/O Address bus
72 A25 I/O Address bus
74 CAP1 O Capacitor connecting terminal for PLL
77 ONENB I ON circuit enable SYSTEM LSI
79 EXTAL I Oscillator in (10 MHz) Y2
80 XTAL O Oscillator out (10 MHz) Y2
81 PULLUPB I Pullup control
HD6417096: SH3 (CPU / U1)