Function Table Of Ic - Sharp MD-MS701H Service Manual

IC401 RH-iX2680AF03(IX2680AF):System Microcomputer (1/2)
Port Name Terminal Name Input/Output
Pin No.
1 P120 SWP UP
2*~7* P121~P126 P121~P126
8 P127 OEM
9 VDD VDD
10* X2 X2
11 X1 X1
12 VSS VSS
13* XT2 XT2
14 XT1 XT1
15 RESET RESET
16 INPUT0 DINT
17 P01 SENSE
18 P02 FOK
19 P03 XRST
20* P04 P04
21 P05 HDON
22 P06 VLIM
23 AVDD AVDD
24 AVREF0 AVREF0
25 ANI0 PLVINN
26 ANI1 PLVDCI
27 ANI2 PLVDRY
28 ANI3 RKEY
29 ANI4 HKEY1
30 ANI5 HKEY2
31 ANI6 TEMP
32 ANI7 CNTRY
33 AVSS AVSS
34 ANO0 LDVAR
35* ANO1 MDOUT
36 AVREF1 AVREF1
37 P70 SYWR
38 P71 SYRD
39 P72 SYRS
40 P20 -
41 SO1 RMDAT
42 P22 -
43 P23 HSTOP
44 P24/BUZ BEEP
45 P25 DSPSTB
46 SO0 DSPDAT
47 SCK0 DSPSCK
48~55 P80~P87 SYD0~SYD7
56 P40 EJECT
57 P41 KHOLD
58 P42 RPLAY
59* P43 HFON
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

FUNCTION TABLE OF IC

Output Asterisk input Output for pull-up
Output Not used
Input Product brand ID input
Input Positive power supply
Input Not used
Input Main system clock input
Input Ground potential
Input Not used
Input Subsystem clock input
Input Microcomputer hard reset input
Input System LSI interruption request input
Input System LSI servo sense input
Input Focus OK signal input
Outout System LSI hard reset output
Output Not used
Output Record head current control output
Intput Volume limiting switch input
Input A/D converter analog positive power
Input A/D converter reference voltage input
Input Built-in battery voltage detection input
Input DC jack voltage detection input
Input Dry cell voltage detection input
Input Remote controller key operation detection input
Input Main unit key operation detection input 1
Input Main unit key operation detection input 2
Input Ambient temperature detection input
Intput Product destination ID input
Intput A/D converter ground potential
Output P.U. laser power set output
Output Internal motion mode output
Output D/A converter reference voltage input
Output System LSI write enable output
Output System LSI read enable output
Output System LSI register selection output
Output Not used
Output Remote controller display data output
Output
Input Main unit STOP key operation detection input
Output Beep tone pulse output
Output Main unit display control strobe output
Output Main unit display control serial data output
Output Main unit display control serial clock output
In/Output System LSI parallel data bus
Input Eject lever operation detection input *
Input Main unit key hold switch input
Input Remote controller PLAY key operation detection input
Output P.U. high frequency superposition control output
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MD-MS701H/MS702H
Function