– 49 –
MD-MT180
58
MD1
MD1
Input
Operation mode selection input 1
59
P23
DCEXT
Input/Output
DC-IN detection (level)
60*
WDT0VF
WDT0VF
Output
Watch dog timer (not used)
61
MD2
MD2
Input
Operation mode selection input 2
62
RES
_RESET
Input
Microcomputer hard reset input
63
NMI
NMI
Input
Nonmaskable interruption input (not used)
64
STBY
_STBY
Input
Microcomputer standby input (not used)
65
VCC
VCC
—
Positive power supply
66
XTAL
XTAL
—
Crystal connection terminal
67
EXTAL
EXTAL
—
Crystal connection terminal
68
VSS
VSS
—
Ground potential
69
PF7
_PLAY
Input
Unit PLAY button operation detection input
70
PF6
_REC
Input
Unit REC button operation detection input
71
PF5
_STOP
Input
Unit STOP button operation detection input
72*
PF4
PF4
Output
Reserve
73
IRQ3
_DINT
Input
System LSI interruption
74
IRQ2
ARQD
Input
Disk cap opens and closes detection/it is started and required
75
IRQ1
_RPLAY
Input
Remote control PLAY key operation detection input
76
IRQ0
_ARQK
Input
Start request by the key /DC-IN input
77
AVCC
AVCC
—
A/D and D/A converter positive power supply
78
VREF
VREF
—
A/D and D/A converter reference voltage
79
AN0
PLVBAT
Input
Battery voltage detection input
80
AN1
CHIMON
Input
D/C - D/C converter unusual voltage detection
81
AN2
TEMP
Input
Ambient temperature detection input
82
AN3
RKEY
Input
Remote control key operation detection input
83
AN4
HKEY1
Input
Unit key operation detection input 1
84
AN5
HKEY2
Input
Unit key operation detection input 2
85
P46/AN6/DA0
CHGCNT
Output
Charging current control output
86
DA1
LDVAR
Output
P.U. laser power setting output
87
AVSS
AVSS
—
A/D and D/A converter ground potential
88
VSS
VSS
—
Ground potential
89
P24
CHGON
Output
Battery charge ON/OFF control output
90*
TIOCB4
MCMON
Output
Internal operation status monitor
91
P26
PLVON
Output
Battery power supply line ON/OFF
92
P27
DCNT1
Output
Mechanism driver enable output
93
PG0
SENSE
Input/Output
System LSI servo sense input
94
PG1
_FOK
Input/Output
Focus OK signal input
95
PG2
_XRST
Output
System LSI hard reset output
96*
PG3
CKSTP
Output
Microcomputer standby operation monitor output
97
PG4
_EJSW
Input/Output
Ejection lever operation detection input
98
VCC
VCC
—
Positive power supply
99
P10
PCNT2
Output
Servo DC-DC converter ON/OFF control
100
P11
PCNT1
Output
Main DC-DC converter ON/OFF control
IC401 RH-iX0529AWZZ :System Microcomputer (IX0529AW) (2/2) Main PWB Version D
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.
IC401 RH-iX0484AWZZ :System Microcomputer (IX0484AW) (2/2) Main PWB Version B,C,X
