Sharp CD-CH1000 Service Manual page 59

IC901 RH-iX0353AWZZ: System Microcomputer (IX0353AW) (1/2)
Pin No. Port Name
1 P60/A16
2 P62/A18
3 P61/A17
4 P63/A19
5 P64/RD
6 P65/WR
7 P66/WAIT
8 P67/ASTB
9 VDD
10 P100/T15/TO5
11 P101/T16/TO6
12 P102/T17/TO7
13 P103/T18/TO8
14 P30/TO0
15 P31/TO1
16 P32/TO2
17 P33/T11
18 P34/T12
19 P35/T100
20 P36/T101
21 P37
22 TEST/Vpp
23* P90
24* P91
25* P92
26* P93
27* P94
28 P06/INTP6
29* P120/RTP0
30 P121/RTP1
31 P122/RTP2
32 P123/RTP3
33 P124/RTP4
34 P125/RTP5
35 P126/RTP6
36 P127/RTP7
37 Vdd
38 X2
39 X1
40 Vss
41 XT2
42 XT1
43 RESET
44 P00/INTP0
45 P01/INTP1
46 P02/INTP2/NMI
47 P03/INTP3
48 P04/INTP4
49 P05/INTP5
50 P95
51 Avdd
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/Output
Output Cassette playback mute
Output Recording output (Cassette)
Output Recording bias output (Cassette)
Output Span output for destination 1
Output Cassette operation motor output
Output Cassette solenoid output
Output Span output for destination 2
Input Pulse for tape running check
Input To be connected to VDD
Input A side foolproof switch
Input Not used
Input Cassette CAM switch
Input Cassette detection switch
Output Tuner chip enable
Input Destination input
Output CD mute
Input Tuner span select
Output Expanded IC control signal
Output Expanded IC control signal
Output Expanded IC control signal
Output Expanded IC control signal
Input Not used
Output Not used
Output Not used
Output Not used
Output Not used
Output Not used
Output POWER relay control
Output Not used
Output Not used
Output Not used
Output LED output for timer
Output LCD backlight
Output System mute output
Input Panel close switch
Input Panel open switch
Input Connected to VDD
Output 8 MHz sera - lock
Input 8 MHz sera - lock
Input Ground potertial to be connected to VSS
Output 32.768 kHz crystal
Input 32.768 kHz crystal
Input Reset input
Input Remote control signal input
Input JOG A input
Input JOG B input
Input Power failure detection
Input Speaker abnormal detection
Output Speaker relay
Input POWER key input
— Analog power supply
Function
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CD-CH1000