Epson TM-U950 Technical Manual page 80

CONFIDENTIAL
Table 2-2. Gate Array Pin Assignments (continued)
Pin number
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
Rev. A
Gate array function Signal designation`
PC 5 POW_TRG
PD 0 IF_DET
PD 1 CLK_REQ
GND -
GND -
V -
DD
PD 2 SRTS
PD 3 N. C
PD 4 N. C
PD 5 N. C
PD 6 N. C
PD 7 N. C
PD 0 CJNE
PE 1 CRNE
PE 2 CJPE
PE 3 CRPE
PE 4 PFR_SW
PE 5 PFJ_SW
PE 6 COVER
PE 7 DK_S
PC 7 PC_LED
(STRB) CLK
BUSY RTS
(CSTRB) CSTB
(CRDY) SRTS
GND _
CRIN CRIN
(CROUT) (CROUT)
AB 0 A 0
AB 1 A 1
TM-U950/U950P Technical Manual
I/O Level Description
O TTL Power control trigger signal
Unused (connected to GND) on TM-U950 I/F
I TTL
circuit board identify signal on TM-U950P
Unused (connected to GND) on TM-U950
I TTL synchronization clock request signal for TM-
U950P
- GND Power supply
- GND Power supply
- +5V Power supply
Unused (connected to GND) on TM-U950,
0 TTL
software RTS output on TM-U950P
I TTL Unused (connected to GND)
I TTL Unused (connected to GND)
I TTL Unused (connected to GND)
I TTL Unused (connected to GND)
I TTL Unused (connected to GND)
I TTL Journal near-end signal
I TTL Receipt near-end signal
I TTL Journal paper-end signal
I TTL Receipt paper-end signal
I TTL Receipt FEED switch L = ON
I TTL Journal FEED switch L = ON
I TTL Cover open detection
I TTL Drawer status signal
O TTL Receipt LED L = ON
I TTL Unused (connected to GND) on TM-U950
synchronization clock interrupt for the TM-
U950P
Unused (open) for TM-U950. RTS output for
O TTL
the I/F circuit board for the TM-U950P
Unused on TM-U950, receive interrupt on TM-
O TTL
U950P
Unused (connected to GND) for the TM-
I TTL
U950, software RTS input for TM-U950P
_ GND Power supply
I TTL Unused (connected to GND)
O TTL Unused (open)
I TTL Address signal Bit 0
I TTL Address signal Bit 1
Mechanism Configuration and Operating Principles 2-35