Function Table Of Ic - Sharp IM-MT899H Service Manual

IC401 RH-iX2992AFZZ : System Microcomputer (IX2992AF) (1/3)
Port Name Terminal Name Input/Output
Pin No.
1 VCC VCC
2 PC0 DSPSTB
3 PC1 EEPD
4 PC2 EEPK
5 PC3 EPRT
6 VSS VSS
7 PC4 PCNT1
8 PC5 SYRS
9 PC6 SYRD
10 PC7 SYWR
11-14 PB0-3 SYD0-3
15 VSS VSS
16-19 PB4-7 SYD4-7
20 PA0 ELON
21 PA1 MCPGI
22 PA2 INPGI
23 PA3 INPGCK
24 VSS VSS
25 PA4/IRQ4 STOP
26 PA5/IRQ5 ARQD
27 PA6/IRQ6 RPLRC
28 PA7/IRQ7 DCEXT
29 IRQ3 Vbas
30 IRQ2 DINT
31 P65/IRQ1 PLAY
32 P64/IRQ0 REC
33 VCC VCC
34 PE0 RCPCNT
35 PE1 RCLAT
36* PE2 TEST0
37 PE3 JPNP
38 VSS VSS
39 PE4 OPICGA
40 PE5 RFPCNT
41 PE6 SGAIN
42 PE7 DISCP
43 PD0 OPTCNT
44 PD1 DAPON
45 PD2 ADPON
46 PD3 RACLK
47 VSS VSS
48 PD4 RADAT
49 PD5 PBOPON
50 PD6 PCNT4
51 PD7 DSPINH
52 VCC VCC
53 TXD0 RMDAT
54 TXD1 DSPDAT
55 RXD0 PCILD
56 P33 CHGCNT
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.

FUNCTION TABLE OF IC

— Positive power supply
Output Main unit display strobe output
Input/Output EEPROM serial data input/output
Output EEPROM serial clock output
Output EEPROM write protect control output
— Ground potential
Output System power ON/OFF control output
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
Input/Output System LSI parallel data bus
Output EL ON control output
Input Microcomputer plug insert detection input
Input Line/digital plug insert detection
Input Line/digital plug type detection
— Ground potential
Input Detection input for main unit STOP button operation
Input Disc lid open/close detection/Startup requirement
Input Detection input for remote control PLAY/REC button operation
Input DC IN detection (level)
Input Vbas detection (security chip)
Input System LSI interruption
Input Detection input for main unit PLAY button operation
Input Detection input for main unit REC button
— Positive power supply
Output Recording circuit power control output
Output Output for recording audio IC data latch
Input Test mode setting input
Input Japanese phonetic conversion/input presence identification
— Ground potential
Output P.U detection sensitivity switch output
Output RF-LSI power ON/OFF control output
Input/Output RF amp gain switch output
Input/Output Output for RF amp TE polarity switch
Output Control for optical digital input circuit ON/OFF
Output D/A converter operation control output
Output A/D converter operation control output
Output Audio IC data clock output
— Ground polarity
Output Audio IC serial data output
Output Audio IC output level control output
Output System power control output 4
Output Prohibition control for main unit LCD driver display
— Positive power supply
Output Remote control display data
Output Main unit display data output
Output PC link data input
Output Charging control
– 45 –
IM-MT899H/IM-MT899W
Function