5-56
Confidential
DMP-1000P (AEP)
•
DK-39E BOARD IC503 HD64F7045F28S631 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
BSH
I
Status (CPU emancipation of memory bus) input from the A/D, D/A converter (IC407)
2
NC
—
Not used (open)
3
VRSR
O
Refresh stop request output to the A/D, D/A converter (IC407)
4
VWR
O
Internal register data write end latch pulse output to the A/D, D/A converter (IC407)
5
VTRS
I
Busy signal input from the A/D, D/A converter (IC407)
6
VSS
—
Ground terminal
7
A0
O
Address signal output to the flash memory (IC506) and floppy disk drive controller (IC2101)
8 to 11
A1 to A4
O
Address signal output to the A/D, D/A converter (IC407), mechanism controller (IC505), flash
memory (IC506) and D-RAM (IC509)
12
VCC
—
Power supply terminal (+5V)
13
A5
O
Address signal output to the A/D, D/A converter (IC407), mechanism controller (IC505), flash
memory (IC506) and D-RAM (IC509)
14
VSS
—
Ground terminal
15 to 21
A6 to A12
O
Address signal output to the A/D, D/A converter (IC407), mechanism controller (IC505), flash
memory (IC506) and D-RAM (IC509)
22, 23
A13, A14
O
Address signal output to the A/D, D/A converter (IC407) and flash memory (IC506)
24, 25
A15, A16
O
Address signal output to the flash memory (IC506)
26
VCC
—
Power supply terminal (+5V)
27
A17
O
Address signal output to the flash memory (IC506)
28
VSS
—
Ground terminal
29
EEPROM CS
O
Chip select signal output to the EEPROM (IC2002) “L”: select
30
EEPROM RESET
O
Reset signal output to the EEPROM (IC2002) “L”: reset
31
XRAS
O
Row address strobe signal output terminal “L” active
32
XCASL
O
Lower byte column address strobe signal output to the D-RAM (IC509) “L” active
33
PD
I
LVD signal input from the EEPROM (IC2002)
34
XCASH
O
Upper byte column address strobe signal output to the D-RAM (IC509) “L” active
35
VSS
—
Ground terminal
36
RDWR
O
Data write enable signal output to the D-RAM (IC509)
37, 38
A18, A19
O
Address signal output terminal Not used
39
FDC INT
I
Interrupt request signal input from the floppy disk drive controller (IC2101)
40
VCC
—
Power supply terminal (+5V)
41
SWAY
COMPEN
I
INPUT SELECT switch (S1719) input terminal
“L”: VIDEO MOTION, “H”: FD or VIDEO STILL
42
VSS
—
Ground terminal
43
XRD
O
Data read enable signal output terminal “L” active
44
XWDTOVF
O
Watch dog timer overflow output terminal
45
TIMER WR
O
Data write enable signal output to the timer (IC1700)
46
TIMER CE
O
Chip enable signal output to the timer (IC1700)
47
TESTO
O
Job output terminal (open)
48
XWR
O
Data write enable signal output terminal “L” active
49
XCS1
O
Chip select signal output terminal Not used
50
XCS0
O
Chip select signal output to the A/D, D/A converter (IC407)
51
FD/VIDEO SEL
I
INPUT SELECT switch (S1719) input terminal
“L”: FD, “H”: VIDEO MOTION or VIDEO STILL
52
3.3V
O
3.3V/5V selection signal output terminal Not used (open)
53
FDC CS
O
Chip select signal output to the floppy disk drive controller (IC2101)
54
CP
O
CP signal output terminal Not used (open)
