MD-MX30/MX30W
– 86 –
1
4M/16M
Output
4M/16M DRAM select input
2
64M
OUtput
64M DRAM select input
3
LDVAR
Output
LDVAR (Laser power output adjustment)
4*
ADIS
Output
ADJS (For automatic adjustment step check)
5
CIN
Input
CIN(track count signal input)
6*
NC
-
7
UNLOCK
Input
ERR input (The monitor PLL won't lock.)
8
BYTE
Input
GND
9
CNVss
Input
GND
10*
STID OUT
Output
ST-ID output
11*
SEACH OUT
Output
MD search output
12
RESET
Input
RESET Input
13*
NC
-
Clock output
14
Vss
-
GND
15
MCCK
Input
EXTAL(8.4672MHz)
16
Vcc
-
+3.15V
17
P85
Input
Input/output port P85
18
DINT
Input
DINT (Interrupt input from the MD-LSI)
19
SFSY
Input
Interruption input
20
ST-ID
Input
ST-ID Input(MD-ON)
21
SERCH
Input
CD search input (Synchronized REC interrupt input)
22
MDRSW
Output
MD RSW output
23*
CDB SEL
Output
CD BLK SEL output
24
DSENSE
Input
DSENSE (Servo sense input from the MD-LSI)
25
P-DOWN
Input
P-DOWN (power failure detection)
26
HD ON
Output
HDON (Magnetic head current ON/OFF output)
27
EEPRO
Output
EEPROM protect release
28*
4.23
Output
4.23 MHz output
29
EEPK
Output
EEPROM serial clock output
30
EEPD
In/Output
EEPROM data input/output
31
MD DATA
Output
MD data output
32
K DATA
Input
K DATA (System computer data input)
33
DSCK
Input
DSCK (System computer communication clock input)
34
DSTB
Output
DSTB (System computer communication enable and during communication)
35
DATA
Output
R-DATA
36
SBO
Input
Sub-code serial data input
37
SBCK
Output
Sub-code communication serial clock output
38
LATCH
Output
R-LATCH
39
R/P
OUtput
R/P output (REC/PLAY switching)
40
FOK
Input
FOK (Focus servo state monitor input)
41
FLASH L
Input
FLASH write selection
42
CLOCK
Output
R-CLK
43
SYRS
Output
SYRS (MD-LSI register select signal output)
44
SYRD
Output
SYRD (MD-LSI read signal output)
45
SYWR
Output
SYWR (MD-LSI write signal output)
46
FLASH H
Input
FLASH write selection
47
SYS D7
In/Output
SYS D7 (Data bus 7)
48
SYS D6
In/Output
SYS D6 (Data bus 6)
49
SYS D5
In/Output
SYS D5 (Data bus 5)
50
SYS D4
In/Output
SYS D4 (Data bus 4)
51
SYS D3
In/Output
SYS D3 (Data bus 3)
IC1401 RH-iX0326AWZZ:MD System Microcomputer (iX0326AW) (1/2)
Pin No.
Function
Terminal Name Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.