MD-MS722/C/WMS721W
– 44 –
1
P12/TCLKA
CIN
Input
Track cross signal/focus drive detection
2
P13
SPIN
Output
Spindle motor FG pulse detection input
3
P14
DISCIN
Input
Disc insertion detection input
4
P15
DISCCPR
Input
Disc record inhibition switch input
5*
TIOCA2
SPWDS
Input
Spindle motor FG pulse width detection
6
P17
PDCNT
Output
Inner detection PD current control output
7
Vss
VSS
—
Ground potential
8
TxD0
RMDAT
Output
Remote control indication data output
9
TxD1
DSPDAT
Output
Unit indication data output
10
P32
DSPSTB
Output
Unit indication strobe output
11*
P33
P33
Output
Spare
12*
SCK0
SCk0
Output
Serial IO clock output (not used)
13
SCK1
DSPSCK
Output
Unit indication data clock output
14
PE0
_EPCS
Output
EEPROM chip selection output
15
PE1
EEPD
Input/Output
EEPROM serial data input/output
16
PE2
EEPK
Output
EEPROM serial clock output
17
PE3
PHOLD
Output
System power ON holding output when battery is used
18
Vss
VSS
—
Ground potential
19
PE4
PCNT1
Outout
Vref supply control output of power IC
20
PE5
SYRS
Output
System LSI register selection output
21
PE6
_SYRD
Output
System LSI read enable output
22
PE7
_SYWR
Output
System LSI write enable output
23-30
PD0-PD7
SYD0-SYD7
Input/Output
System LSI parallel data bus
31
Vss
VSS
—
Ground potential
32
PC0
PCLAT
Output
Record audio IC data latch output
33
PC1
_MCPGI
Input
Microphone plug insertion detection input
34
PC2
_INPGI
Input
Line/digital plug insertion detection
35
PC3
INPGCK
Input
Line/digital plug type detection
36
PC4
RCPCNT
Output
Record circuit power control output
37
PC5
TEST1
Input
Test mode setting input 1
38
PC6
TEST0
Input
Test mode setting input 0
39
PC7
JPNP
Input
Kana conversion/Kana input existence/nonexistence discrimination
40
Vcc
VCC
—
Positive power supply
41*
PB0
PB0
Output
Spare
42
PB1
_ELONH
Output
Remote control EL'H' lighting control output
43*
PB2
PB2
Output
Spare
44
PB3
LDON
Output
P.U. laser ON/OFF control output
45
PB4
OPICGA
Output
P.U. detection sensitivity selection output
46
PB5
RFLAT
Output
RF amplifier IC data latch output
47
PB6
RACLK
Output
RF/Audio IC data clock output
48
PB7
_ELONL
Input/Output
Remote control EL 'L' lighting control output
49
Vss
VSS
—
Ground potential
50
PA0
RADAT
Output
RF/Audio IC serial data output
51
PA1
PBLAT
Output
Audio IC data latch output
52
PA2
REC
Input
Unit REC key operation detection input
53
PA3
PBOPON
Output
Audio IC output stage control output
54
P20
RPLAY
Input
Remote control PLAY key operation detection input
55
P21
_KHOLD
Input
Unit key hold switch input
56
TIOCC3
BUZOUT
Output
Beep sound pulse output
57
MD0
MD0
Input
Operation mode selection input 0
IC401 RH-iX2772AF03(IX2772AF):System Microcomputer (1/2)
FUNCTION TABLE OF IC
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.
Summary of Contents for MD-MS721BL
Page 46: ...MD MS722 C WMS721W 46 M E M O ...
