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MD-DR470H/MD-DR480H
IC401 RH-iX0588AWZZ : System Microcomputer (IX0588AW) (2/2)
Port Name
Terminal Name Input/Output
Pin No.
52
A40
DISCPR
53*
P37
PBLAT
54
P36
RFPCNT
55
P35
RADAT
56*
P34
CCRAD
57
P33
_FOK
58*
P32
CKSTP
59
P31
DCNT1
60
VCC
VCC
61
P30
_EJSW
62
VSS
VSS
63
P27
CHGCNT
64
P26
JACKIN
65
P25
LSICNT
66
P24
DCNT2
67
P23
PCNT3
68
P22
DCON
69
P21
LDON
70
P20
PCNT2
71
P17
ARQD
72
P16
_STOP
73
P15
_DCEXT
74
P14
_XRST
75
P13
PCNT1
76
P12
SYRS
77
P11
_SYRD
78
P10
_SYWR
79-86
P07-P00
SYD7-SYD0
87
P107
N.C.
88*
P106
N.C.
89
AN5
PLVBAT
90
AN4
PLVDCI
91
AN3
RKEY
92
AN2
HKEY
93
AN1
TEMP
94
AVSS
AVSS
95*
P100
N.C.
96
VREF
VREF
97
AVCC
AVCC
98
P97
_EPCS
99
P96
EEPD
100
P95
EEPK
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
Input
Disc recording inhibition switch input.
Output
Audio IC data latch output.
Output
RF-LSI power supply ON/OFF control output.
Output
Audio IC serial data output.
Input
Charge cradle support presence/absence switching input.
Input
Focus OK signal input.
Output
Microcomputer operation monitor output.
Output
Mechanism driver enable output.
Input
Positive power supply.
Input
Eject lever operation detection input.
—
Ground potential.
Hi-Z
Charge control.
Input
DC input plug insertion detection.
Input
2.5 V system power supply ON/OFF control.
Output
Head up/down motor driver P control.
Output
Power supply section reference voltage ON/OFF control.
Selection
DC/BATT selection output.
Output
P.U. laser ON/OFF control output.
Output
Power supply selection bypass ON/OFF selection.
Input
Disc lid open/close detection/rise request.
Input
Main unit STOP button operation detection input.
Input
DC IN presence/absence detection.
Output
System LSI hardware reset output.
Output
System power supply ON/OFF control output.
Output
System LSI register selection output.
Output
System LSI read enable output.
Output
System LSI write enable output.
Input
System LSI parallel data bus.
Output
Reserve
Output
Reserve
Input
Battery voltage detection input.
Input
DC IN voltage (abnormality) detection input.
Input
Remote control button operation detection input.
Input
Main unit button operation detection input.
Input
Ambient temperature detection input.
—
A/D, D/A converter ground potential.
Output
Reserve
—
A/D, D/A converter reference voltage.
Input
A/D, D/A converter positive power supply.
Output
EEPROM chip select output.
Input
EEPROM serial data input/output.
Output
EEPROM serial clock output.
– 48 –
Function
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