Sharp CD-PC1881V Service Manual page 51

ICV1 RH-iX0313AWZZ: MPEG Controller (IX0313AW)
Pin No. Port Name
1 P50 VOCAL CANCEL
2 P51 K_C_DATA
3 P52 K_C_CLK
4 P53 K_C_STRB
5 P54 KEY CONT.
6 P55 CD-SOL
7,8 P56, P57 NO USE
9 V VSS0
SS0
10 V VDD0
DD0
11 P30 CD-LD M+
12 P31 CD-LD M-
13 P32 MO_SPEED
14 P33 NO USE
15 P34 PWR_MPEG
16,17 P35, P36 NO USE
18 P20 MDI
19 P21 MDO
20 P22 MCK
21 P23 NO USE
22 P24 MBUSY
23 P25/ASCK0 NO USE
24 V VDD1
DD1
25 A AVSS
VSS
26-33 P17-P10 NO USE
34 A AVREF
VREF
35 A AVDD
VDD
36 RESET RESET
37 XT2 XT2
38 XT1 XT1
39 IC IC
40 X2 X2
41 X1 X1
42 V VSS1
SS1
43 INTP0 INT
44 INTP1 SBUSY
45,46 P02, P03 NO USE
47-50 P70-P73 NO USE
51 P74 MPEG RESET
52 BUZ HCS
53 P64/RD HRD
54 WR HWR
55 WAIT HDAK
56 ASTB HA
57-64 AD0-AD7 HD0-HD7
Terminal Name Input/Output
Output
Output
Output
Output
Output
Output
Output
—
—
Output
Output
Output
Output
Output
Output
Input
Output
Input
Output
Output
Output
—
—
Output
—
—
Input
—
—
—
Output
Input
—
Output
Input
Output
Output
Output
Output
Output
Output
Input
Output
Input/Output
Vocal cancel
Key control IC data
Key control IC clock
Key control IC strobe
Key control
CD changer solenoid control
Goint 10 kohm to GND
Ground voltage
VDD
CD changer motor control
CD changer motor control
CD changer motor speed control
Goint 10 kohm to GND
MPEG power supply control
Goint 10 kohm to GND
Comunicate to system µcon DI
Comunicate to system µcom DO
Comunicate to system µcom CLK
Joint 10 kohm to GND
Comunicate to ststem µcom MBUSY
Goint 10 kohm to GND
VDD
Ground
Goint 10 kohm to GND
Conect to VDD
Conect to VDD
Common use DSP_RESET
Open
Conect to VDD
Conect to ground
Main clock
Main clock
Ground voltage
Interrupt requset
Comunicate to system µcom SBUSY
Goint 10 kohm to GND
Goint 10 kohm to GND
MPEG decoder reset
Chip select
Reas strobe
Write strobe
Bus cycle acknowledge
Adress strobe
Host parallel intertface
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CD-PC1881V
Function