MD-MT20H/16E
IC401 RH-iX0298AWZZ: System Microcomputer (IX0298AW) (1/3)
Port Name
Terminal Name Input/Output
Pin No.
1
P12/TCLKA
CIN
2
TCLKB
SPIN
3
P14
CHGON
4
P15
DISCPR
5
TIOCA2
SPWDS
6
P17
PDCNT
7
Vss
VSS
8
TxD0
RMDAT
9
TxD1
DSPDAT
10
P32
P32
11
P33
DSPSTB
12*
SCK0
SCK0
13
SCK1
DSPSCK
14
PE0
_EPCS
15
PE1
EEPD
16
PE2
EEPK
17
PE3
PLVON
18
Vss
VSS
19
PE4
PCNT1
20
PE5
SYRS
21
PE6
_SYRD
22
PE7
_SYWR
23-30
PD0-PD7
SYD0-SYD7
31
Vss
VSS
32
PC0
PCLAT
33
PC1
_MCPGI
34
PC2
_INPGI
35
PC3
INPGCK
36
PC4
RCPCNT
37
PC5
TEST1
38
PC6
TEST0
39
PC7
JPNP
40
Vcc
VCC
41*
PB0
PBO
42
PB1
_LCDRST
43
PB2
PBLAT
44
PB3
LDON
45
PB4
OPICGA
46
PB5
RFLAT
47
PB6
RACLK
48
PB7
RADAT
49
Vss
VSS
50
PA0
_ELON
51
PA1
PLVGIN
52
PA2
_REC
53
PA3
PBOPON
54
P20
_DCEXT
55
P21
_KHOLD
56
TIOCC3
BUZOUT
57
MD0
MD0
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
FUNCTION TABLE OF IC
Input
Track cross signal/focus drive detection
Input
Spindle motor FG pulse detection input
Output
Ni-MH battery charge ON output
Input
Disc record inhibition switch input
Input
Spindle motor FG pulse width detection
Output
Inner detection PD current control output
—
Ground potential
Output
Remote control indication data output
Output
Unit indication data output
Output
Spare [connected to _RPLAY (pin 75)]
Output
Main unit's display strobe output
Output
Serial I/O clock output (not used)
Output
Unit indication data clock output
Output
EEPROM chip selection output
Input/Output
EEPROM serial data input/output
Output
EEPROM serial clock output
Output
Battery voltage measurement ON output
—
Ground potential
Outout
Vref supply control output of power IC
Output
System LSI register selection output
Output
System LSI read enable output
Output
System LSI write enable output
Input/Output
System LSI parallel data bus
—
Ground potential
Output
Record audio IC data latch output
Input
Microphone plug insertion detection input
Input
Line/digital plug insertion detection
Input
Line/digital plug type detection
Input/Output
Record circuit power control output
Input
Test mode setting input 1
Input
Test mode setting input 0
Input
Kana conversion/Kana input existence/nonexistence discrimination
—
Positive power supply
Output
Spare 0
Output
LCD driver reset output
Output
Audio IC data latch output
Output
P.U. laser ON/OFF control output
Output
P.U. detection sensitivity selection output
Output
RF amplifier IC data latch output
Output
RF/Audio IC data clock output
Output
RF/Audio IC serial data output
—
Ground potential
Output
EL light control output
Output
Battery voltage detection gain select output
Input
Unit REC button operation detection input
Output
Audio IC output stage control output
Input
DC-IN detection input
Input
Unit key hold switch input
Output
Beep sound pulse output
Input
Operation mode selection input 0
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Function