Sharp CD-CH1500 Service Manual page 44

CD-CH1500
IC901 RH-iX0417AWZZ: System Microcomputer (IX0417AW) (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 LCD E
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
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Terminal Name Input/Output
—
KEY0
KEY1
KEY2
KEY3
KEY4
LEVEL_L
VSM
LEVEL_R
—
TAPE MECHA
— Output
—
RX
TX Output
TUNER DI
TUNER DO Output
TUNER CL Output
— Output
— Output
LCD R/W Input/Output
— Output
Output
FH A-SW E
FH A-SW D
FH A-SW C
FH A-SW B
FH A-SW A
FH T-SW A
FH T-SW B
FH T-SW C
FH C-SW B
FH C-SW A
CD CCE Output
CD BUCK Output
CD BUS3 Input/Output
CD BUS2 Input/Output
CD BUS1 Input/Output
CD BUS0 Input/Output
CD RESET Output
CD RW Output
CD PICK IN
FH MOTOR Output
FH MOTOR Output
FH MOTOR Output
FH MOTOR Output
REC MUTE 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
Not used
Input Analog reference potential 1
Input Not used
Not used
Input Not used
Input Tuner data input
Tuner data output
Tuner clock output
Not used
Not used
Control output read/write to LCD driver
Not used
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
CD LSI chip enable
CD LSI clock
CD LSI data input/output
CD LSI data input/output
CD LSI data input/output
CD LSI data input/output
CD LSI reset
CD-RW reproduction switching
Input CD pickup inner switch input
Tray motor forward rotation
Tray motor reverse rotation
CAM motor forward rotation
CAM motor reverse rotation
TAPE REC mute
Input Ground potertial connected to VSS
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Function