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