Function Table Of Ic - Sharp MD-MT80W(S) Service Manual

MD-MT80W/90W/90/90C
IC401 RH-iX0409AWZZ :System Microcomputer (IX0409AW) (1/2)
Terminal Name Input/Output
Pin No. Port Name
1 P12/TCLKA CIN
2 TCLKB SPIN
3* P14 REPCNT
4 P15 DISCPR
5* TIOCA2 SPWDS
6 P17 LCDRST
7 Vss VSS
8 TxD0 RMDAT
9 TxD1 DSPDAT
10* P32 P32
11 P33 DSPSTB
12* SCK0 SCK0
13 SCK1 DSPSCK
14 PE0 _EPCS
15 PE1 EEPD
16 PE2 EEPK
17 PE3 EPRT
18 Vss VSS
19* PE4 PE4
20 PE5 SYRS
21 PE6 _SYRD
22 PE7 _SYWR
23-30 PD0-PD7 SYD0-SYD7
31 Vss VSS
32 PC0 RCLAT
33 PC1 _MCPGI
34 PC2 _INPGI
35 PC3 INPGCK
36 PC4 RCPCNT
37* PC5 TEST1
38* PC6 TEST0
39 PC7 JPNP
40 Vcc VCC
41 PB0 OPICGA
42 PB1 PBOPON
43 PB2 PBLAT
44 PB3 LDON
45 PB4 DISCP
46 PB5 SGAIN
47 PB6 RACLK
48 PB7 RADAT
49 Vss VSS
50* PA0 PAD0
51* PA1 _ELONL
52* PA2 PA2
53 PA3 PDCNT
54 P20 INNSW
55 P21 EMPHO
56 TIOCC3 BUZOUT
57 MD0 MD0
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.

FUNCTION TABLE OF IC

Input Track cross signal/focus drive detection
Input Spindle motor FG pulse detection input
Input RF control
Input Disc record inhibition switch input
Input Spindle motor FG pulse width detection
Output Unit LCD driver reset control output
— Ground potential
Output Remote control indication data output
Output Unit indication data output
Input Reserve
Output Main unit display strobe output
Output Serial I/O clock output (not used)
Output Unit indication data clock output
Output EEPROM chip selection output
Input/Output EEPROM serial data input/output
Output EEPROM serial clock output
Output EEPROM write protection
— Ground potential
Output Reserve
Output System LSI register selection output
Output System LSI read enable output
Output System LSI write enable output
Input/Output System LSI parallel data bus
— Ground potential
Output Record audio IC data latch output
Input Microphone plug insertion detection input
Input Line/digital plug insertion detection
Input Line/digital plug type detection
Input/Output Record circuit power control output
Input Test mode setting input 1
Input Test mode setting input 0
Input Kana conversion/Kana input existence/nonexistence discrimination
Input Positive power supply
Output P.U detection sensitivity switching output
Output Audio IC output stage control output
Output Audio IC data latch output
Output P.U. laser ON/OFF control output
Output RF amp TE polarity switching output
Output RF amp gain polarity switching output
Output Audio IC data clock output
Output Audio IC serial data output
— Ground potential
Output Reserve
Output EL lighting control output
Output Reserve
Output Inner detection PD current control output
Input Mechanism inner SW position detection input
Output Audio emphasis control output 0
Output Beep sound pulse output
Input Operation mode selection input 0
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Function