Sharp CD-PC1881V Service Manual page 51

ICV1 RH-iX0313AWZZ: MPEG Controller (IX0313AW)
Pin No. Port Name Terminal 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
All manuals and user guides at all-guides.com
Input/Output
Output Vocal cancel
Output Key control IC data
Output Key control IC clock
Output Key control IC strobe
Output Key control
Output CD changer solenoid control
Output Goint 10 kohm to GND
— Ground voltage
— VDD
Output CD changer motor control
Output CD changer motor control
Output CD changer motor speed control
Output Goint 10 kohm to GND
Output MPEG power supply control
Output Goint 10 kohm to GND
Comunicate to system µcon DI
Input
Comunicate to system µcom DO
Output
Comunicate to system µcom CLK
Input
Output Joint 10 kohm to GND
Comunicate to ststem µcom MBUSY
Output
Output Goint 10 kohm to GND
— VDD
— Ground
Output Goint 10 kohm to GND
— Conect to VDD
— Conect to VDD
Input Common use DSP_RESET
— Open
— Conect to VDD
— Conect to ground
Output Main clock
Input Main clock
— Ground voltage
Output Interrupt requset
Comunicate to system µcom SBUSY
Input
Output Goint 10 kohm to GND
Output Goint 10 kohm to GND
Output MPEG decoder reset
Output Chip select
Output Reas strobe
Output Write strobe
Input Bus cycle acknowledge
Output Adress strobe
Input/Output Host parallel intertface
– 51 –
CD-PC1881V
Function