Sharp CD-DVD500 Service Manual page 78

CD-DVD500
IC701 RH-iX0422AWZZ: System Microcomputer (IX0422AW) (1/2)
Pin No. Port Name
1 AVDD
2 ANI0
3 ANI1
4 ANI2
5 ANI3
6 ANI4
7-9 ANI5-ANI7
10 ANI8
11 ANI9
12 P02
13 P03
14 AVSS
15 VSS1
16 X1
17 X2
18 VDD1
19 Vpp/IC
20 P20/TI00
21 P25/SI0/RxD0
22 P25/SO0/TxD0
23 P25/SCK0/ASCHK0
24 P67/INTP2
25 P66/TIO51
26 P65/INTP1
27 P64/INTP0
28 P63/TIO50
29 P62/SCK1
30 P61/SO1
31 P60/SI1
32 P57/SCK2
33 P56/SO2
34 P55/SI2
35 P54
36 P53
37 P52
38 P51
39 P50
40 VSS0
41 VDD0
42 RESET
43 P47
44 P46
45 P45
46 P44
47 P43
48,49 P42,P41
50 P40
Terminal Name Input/Output
AVDD Input
TUN-SM Input
SPEANA 3 Input
SPEANA 2 Input
SPEANA 1 Input
O/C SW Input
DISC NO SW Input
KEY 2-KEY 0 Input
PLAY SW_B Input
FPA Input
FPB Input
HEADPHONE Input
MIC-IN Input
DRF Input
WRQ Input
AVSS —
VSS1 —
X1 Input
X2 Output
VDD1 Input
Vpp/IC —
CD CE Output
CD DO Input
CD DI Output
CD CLK Output
P_IN Input
JOG 0 Input
JOG 1 Input
REMOCON Input
CE Output
CLK Output
DI Output
DO Input
DD CLK Output
DD DO Output
DD DI Input
DD ACK Input
DD LP Output
DD CS Output
DD LOCK Input
DD STATUS Input
VSS0 —
VDD0 Input
RESET Input
T 2 RUN Input
CD CLAMP SW Input
DIGI_SEL Output
RES OUT Output
SP DET Input
LCK 2,LCK 1 Output
T 1 RUN Input
Analog VDD.
RDS VSM
SPEANA data input. L, R 16 kHz
SPEANA data input. L, R 63 Hz
SPEANA data input. L, R 1 kHz
CD open/close switch.
CD disc number switch.
Key input.
Play switch for T 2.
TAPE 2 A-SIDE full proof.
TAPE 2 B-SIDE full proof.
Headphone switch.
MIC-IN sw.
CD RF level detection.
CD DSP write request.
Analog ground.
Ground voltage.
Main clock.
Main clock.
(+) Power supply
GND
CD CE output.
CD DSP CODE Q out/MPEG microcomputer data input.
CD DSP command/MPEG microcomputer command.
CD DSP clock/MPEG microcomputer clock.
Power failure control.
Key jog input 0.
Key jog input 1.
Remocon input.
CE output.
Clock output.
Data output.
Data input.
Dolby decorder clock.
Dolby decorder data out.
Dolby decorder data in.
Dolby decorder ACK.
Dolby decorder latch
Dolby decorder CS.
Dolby decorder lock.
Dolby decorder status.
Ground voltage.
(+) Power supply.
Microcomputer reset.
TAPE 2 RUN PULSE input.
CD CHANGER CLAMP switch.
CD FUNC: L/EXP FUNC: H
CD DSP reset & MPEG microcomputer reset.
Speaker output detection.
LED driver LCK. (BU2092-1)
TAPE 1 RUN PULSE input.
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Function