Sharp MD-MT270HS/BK, Руководство по обслуживанию

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MD-MT270H
IC401 RH-iX0561AWZZ :System Microcomputer (IX0561AW) (2/2)
51 P4_1 SLCNT3 Output Stepping control 3
52 P4_0 DISCPR Input Disc record inhibition switch input
53 P3_7 PBLAT Output Audio IC data latch output
54* P3_6 RFPCNT Output RF control
55 P3_5 RADAT Output Audio IC serial data output
56 P3_4 CHGFIM Input Charging function existance/nonexistance discrimination input
57 P3_3 _FOK Input/Output Focus OK signal input
58 P3_2 CKSTP Output Microcomputer standby operation monitor output
59 P3_1 DCNT1 Output Mechanism driver enable output
60 VCC VCC — Positive power supply
61 P3_0 _EJSW Output Ejection lever operation detection input
62 VSS VSS — Ground potential
63* P2_7 CHGCNT Output Charging current control output
64* P2_6 MSENSE Output Microphone sensitivity switching
65* P2_5 MCNT Output Microphone power control
66 P2_4 DCNT2 Output MO raising-lowerng P control
67 P2_3 PCNT3 Output
68* P2_2 PF4 Output Reserve
69 P2_1 LDON Output P.U. laser ON/OFF control output.
70 P2_0 PCNT2 Output Servo DC-DC converter ON/OFF control
71 INT5 ARQD Input Disk cap opens and closes detection/it is started and required
72 INT4 _STOP Input Unit STOP button operation detection input
73 INT3 _DCEXT Input DC-IN detection
74 P1_4 _XRST Output System LSI hard reset output
75 P1_3 PCNT1 Output Main DC-DC converter ON/OFF control
76 P1_2 SYRS Output System LSI register selection output
77 P1_1 _SYRD Output System LSI read enable output
78 P1_0 _SYWR Output System LSI write enable output
79 P0_7 SYD7 Input/Output System LSI parallel data bus
80 P0_6 SYD6 Input/Output
81 P0_5 SYD5 Input/Output
82 P0_4 SYD4 Input/Output
83 P0_3 SYD3 Input/Output
84 P0_2 SYD2 Input/Output
85 P0_1 SYD1 Input/Output
86 P0_0 SYD0 Input/Output
87* P10_7/AN7 Output Reserve
88* P10_6/AN6 Output Reserve
89 P10_5/AN5 PLVBAT Input Battery voltage detection input
90 P10_4/AN4 PLVDCI Input DC-DC converter unusual voltage detection
91 P10_3/AN3 RKEY Input Remote control key operation detection input
92 P10_2/AN2 HKEY1 Input Unit key operation detection input 1
93 P10_1/AN1 TEMP Input Ambient temperature detection input
94 AVSS AVSS — A/D and D/A converter ground potential
95* P10_0/AN0 Output Reserve
96 VREF VREF — A/D and D/A converter reference voltage
97 AVCC AVCC — A/D and D/A converter positive power supply
98 P9_7 _EPCS Output EEPROM chip selection output
99 P9_6 EEPD Input/Output EEPROM serial data input/output
100 P9_5 EEPK Output EEPROM serial clock output
Pin No. Function Port Name Terminal Name Input/Output
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.