Sharp CD-CH1000 Service Manual page 60

CD-CH1000
IC901 RH-iX0353AWZZ: System Microcomputer (IX0353AW) (2/2)
Pin No. Port Name
52 AVref0
53 P10/ANI0
54 P11/ANI1
55 P12/ANI2
56 P13/ANI3
57 P14/ANI4
58 P15/ANI5
59 P16/ANI6
60 P17/ANI7
61 Avss
62 P130/ANO0
63 P131/ANO1
64 AVref1
65 P70/RxD2/SI2
66 P71/TxD2/SO2
67 P72/ASCK2/SCK2
68 P20/RxD1/SI1
69 P21/TxD1/SO1
70 P22/ASCK1/SC
71 P23/PCL
72 P24/BUZ
73 P25/SI0/SDA0
74 P26/SO0
75 P27/SCK0/SCL0
76 P80/A0
77 P81/A1
78 P82/A2
79 P83/A3
80 P84/A4
81 P85/A5
82 P86/A6
83 P87/A7
84 P40/AD0
85 P41/AD1
86 P42/AD2
87 P43/AD3
88 P44/AD4
89 P45/AD5
90 P46/AD6
91 P47/AD7
92 P50/A8
93 P51/A9
94 P52/A10
95 P53/A11
96 P54/A12
97 P55/A13
98 P56/A14
99 P57/A15
100 Vss
Input/Output
— Analog reference potential 0
Input Key input 0 (AD port)
Input Key input 1 (AD port)
Input Key input 2 (AD port)
Input Key input 3 (AD port)
Input Key input 4 (AD port)
Input Level meter input L-ch
Input Tuner state input
Input Level meter input R-ch
— Analog GND
Input Tape mecha select single/reverse
Output Not used
Input Analog reference potential 1
Input Not used
Output Not used
Input Not used
Input Tuner data input
Output Tuner data output
Output Tuner clock output
Output Not used
Output Not used
Input/Output Control output read/write to LCD driver
Output Not used
Output Control output clock to LCD driver
Input CAM A switch e
Input CAM A switch d
Input CAM A switch c
Input CAM A switch b
Input CAM A switch a
Input TRAY identification switch a
Input TRAY identification switch b
Input TRAY identification switch c
Input CAM C switch b
Input CAM C switch a
Output CD LSI chip enable
Output CD LSI clock
Input/Output CD LSI data input/output
Input/Output CD LSI data input/output
Input/Output CD LSI data input/output
Input/Output CD LSI data input/output
Output CD LSI reset
Output CD LSI RW switching
Input CD pickup inner switch input
Output Tray motor forward rotation
Output Tray motor reverse rotation
Output CAM motor forward rotation
Output CAM motor reverse rotation
Output TAPE REC mute
Input Ground potertial connected to VSS
Function
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