Function Table Of Ic - Sharp MD-C2 Service Manual

ICF01 RH-iX0265AW00:System Control Microcomputer (iX0265AW) (1/3)
Terminal Name
Pin No.
1 16KHz AN7
2 4LHz AN6
3 1KHz AN5
4 250Hz AN4
5 63Hz AN3
6 TUNER-SM AN2
7 POSISTOR AN1
8 SP-LEVEL AN0
9 CD-SL- PB3
10 CD-SL+ PB2
11 SY-STB SRDY3
12 SY-CLK SCK3
13 SY-COM SO3
14 SY-DAT SI3
15 CD-RWC SRDY2
16 CD-CQCK SCK2
17 CD-COIN SO2
18 CD-SQOUT SI2
19 DSTB SRDY1
20 DSCK SCK1
21 KDATA SO1
22 MDDATA SI1
23 CD-DRF P63
24 CD-WRQ P62
25 DISP-RES P61
26 MD-ST P60
27 MD-RES P47
28 CD-RES P46
29 ON/STAND P45
30 SERCH P44
31 SYS-STOP P43
32 CD-FUNC P42
33 TUNER-MUT P41
34 DEMO P40
35 – RESET
36* – PB0
37 Surround ON/OFF PB1
38 – Xin
39 – Xout
40 – Vss
41 HP-SW P27
42 SP PROTECT P26
43 TUN-SD P25
44 C2-DO P24
45 C2-DI P23
46 C2-SL P22
47 C2-CE P21
48* – P20
49 SYS-MUT P17
50* S.W-MUT P16
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

FUNCTION TABLE OF IC

Active
Input/Output
Port Name
Level
Input
Input
Input
Input
Input
Input
Input
Input
Output
Output
Output
Output
Output
Input
Output
Output
Output
Input
Input
Output
Output
Input
Input
Input
Output
Output
Output
Output
Input
Output
Input
Output
Output
Input
Input
Output
Output
–
–
–
Input
Input
Input
Input
Output
Output
Output
–
Output
Output
Setting
in Reset
– – SPEANA input 16kHz
– – SPEANA input 4kHz
– – SPEANA input 1kHz
– – SPEANA input 250kHz
– – SPEANA input 63kHz
– – TUNER signal level detection
– – Temperature detection. Fan "ON" at 0.5V "PROTECT" at 4V.
– – Output detection. Fan "ON" at 0.5V , "LEVEL" at 3V.
H L CD slide motor IN
H L CD Slide motor OUT
– L Sending and receiving data with the display microcomputer.
– L Sending and receiving data with the display microcomputer.
– L Sending and receiving data with the display microcomputer.
– – Sending and receiving data with the display microcomputer.
– L CD DISP control
– L CD DISP control
– L CD DISP control
– – CD DISP control
– L Sending and receiving data with the MD microcomputer
– L Sending and receiving data with the MD microcomputer
– L Sending and receiving data with the MD microcomputer
– – Sending and receiving data with the MD microcomputer
– – RF detection of a CD , H:A signal is present
– – Read request input from CD DISP
– L Display microcomputer reset
– L MD start control signal
– L MD microcomputer reset
– L CD DSP reset
– – Start-up signal from the hold mode
– L CD search mode notification signal
– – Power failure detection input
– L CD function : "L", otherwise : "H"
– L –
– – Set specification change "L" : C2
– – –
– L –
– L Surround mode : "L"
– – –
– – –
– – –
H – Power amplifier abnormality detected
H – Headphone detection SW
– – Audio processor/TUNER IC control
– – Audio processor/TUNER IC control
– – Audio processor/TUNER IC control
– – Audio processor/TUNER IC control
– L Audio processor/TUNER IC control
– – –
– L –
– L –
– 77 –
MD-C2
Function