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2. Bus interface
(1) Connector
Connector part number
Mating connector part number : FCN-217J040-G/0 (Fujitsu Components) or equivalent
(2) Connector pin assignment
No.
Signal
I/O
1
ALE
O
Address latch
3
BWR
—
Data write
5
HACK
—
Hold acknowledge
7
MCRC
—
Power-down (not used)
9
PCPAK1
O
Common RAM reading completion
11
PCPSD1
I
Common RAM reading request
13
RST
I
Hard reset
15
DB00
I/O
External address/Data bus 0
17
DB02
I/O
External address/Data bus 2
19
DB04
I/O
External address/Data bus 4
21
DB06
I/O
External address/Data bus 6
23
AB08
O
External address bus 08
25
AB10
O
External address bus 10
27
AB12
O
External address bus 12
29
AB14
O
External address bus 14
31
AB16
O
External address bus 16
33
AB18
O
External address bus 18
35
AB20
O
External address bus 20
37
AB22
O
External address bus 22
39
RAM2
O
Common RAM access
Notes:
• Symbol "— —" means a negative logic signal.
• "I" or "O" means a signal direction from the interface bpard side.
FTP-633MCL400/FTP-623DCL002
: FCN-215Q040-G/0 (Fujitsu Components) or equivalent
: FCN-214J040-G/0 (Fujitsu Components) or equivalent
: FCN-215J040-G/0 (Fujitsu Components) or equivalent
Contents
No.
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
Signal
I/O
BRD
—
Data read
READY
—
Data access ready
HRQ
—
User hold request input
CLK
O
System clock
ATF
I
Automatic paper loading
PRON
O
Printer operating
GND
—
Ground
DB01
I/O
External address/Data bus 1
DB03
I/O
External address/Data bus 3
DB05
I/O
External address/Data bus 5
DB07
I/O
External address/Data bus 7
AB09
O
External address bus 09
AB11
O
External address bus 11
AB13
O
External address bus 13
AB15
O
External address bus 15
AB17
O
External address bus 17
AB19
O
External address bus 19
AB21
O
External address bus 21
AB23
O
External address bus 23
INPRM
I
Reset
Contents
7
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