7
FTP-623MCL400/FTP-623DCL002
No.
Signal
I/O
Contents
No.
Signal
I/O
Contents
1
ALE
O
Address latch
2
BRD
—
Data read
3
BWR
—
Data write
4
READY
—
Data access ready
5
HACK
—
Hold acknowledge
6
HRQ
—
User hold request input
7
MCRC
—
Power-down (not used)
8
CLK
O
System clock
9
PCPAK1
O
Common RAM reading completion
10
ATF
I
Automatic paper loading
11
PCPSD1
I
Common RAM reading request
12
PRON
O
Printer operating
13
RST
I
Hard reset
14
GND
—
Ground
15
DB00
I/O
External address/Data bus 0
16
DB01
I/O
External address/Data bus 1
17
DB02
I/O
External address/Data bus 2
18
DB03
I/O
External address/Data bus 3
19
DB04
I/O
External address/Data bus 4
20
DB05
I/O
External address/Data bus 5
21
DB06
I/O
External address/Data bus 6
22
DB07
I/O
External address/Data bus 7
23
AB08
O
External address bus 08
24
AB09
O
External address bus 09
25
AB10
O
External address bus 10
26
AB11
O
External address bus 11
27
AB12
O
External address bus 12
28
AB13
O
External address bus 13
29
AB14
O
External address bus 14
30
AB15
O
External address bus 15
31
AB16
O
External address bus 16
32
AB17
O
External address bus 17
33
AB18
O
External address bus 18
34
AB19
O
External address bus 19
35
AB20
O
External address bus 20
36
AB21
O
External address bus 21
37
AB22
O
External address bus 22
38
AB23
O
External address bus 23
39
RAM2
O
Common RAM access
40
INPRM
I
Reset
2. Bus interface
(1) Connector
Connector part number
: FCN-215Q040-G/0 (Fujitsu Components) or equivalent
Mating connector part number : FCN-217J040-G/0 (Fujitsu Components) or equivalent
: FCN-214J040-G/0 (Fujitsu Components) or equivalent
: FCN-215J040-G/0 (Fujitsu Components) or equivalent
(2) Connector pin assignment
Notes:
- Symbol "
" means a negative logical signal.
- "I" or "O" meas a signal direction from the interface board side.
