3) Pin description
Pin
No.
Signal
name
In/
Out
Function
1 RF Out Receipt side paper feed solenoid
2 JF Out Journal side paper feed solenoid
3
PCUT Out Printer partial cut signal (NU)
4
FCUT Out Printer auto cut signal (NU)
5
VF Out Multi line validation paper feed (NU)
6
STAMP Out Printer stamp signal (NU)
7
SLFS Out Slip printer paper feed singnal (NU)
8
SLRS Out Slip printer release signal (NU)
9
SLMTD Out Slip printer motor drive signal (NU)
10
RES Out Peripheral output reset
11
TRG Out Dot head trigger signal (NU)
12 TRG Out Dot head trigger signal
13
POFF In Power off signal input
14
INT1 In (NU)
15 HTS1 Out 8 bit serial port output (for CKDC8)
16 SCK1 Out Serial port shift clock output (for CKDC8)
17 STH1 In 8 bit serial port input (for CKDC8)
18 RAS VZ — Chip select (NU)
19 — — Nu
20 VCC — +5V
21 GND — GND
22 INTMCR — Interrupt (NU)
23 VRESC Out
Turns active when reset and power
down is met
24 SLTMG In Slip printer timing signal (NU)
25 SLRST In Slip printer reset signal (NU)
26
AS In Address strobe
27
RD In Read strobe
28
WR In Write strobe
29 φ In (φ) System clock (7.3728 MHz)
30
SDT7 Out
Slip printer printhead drive signal (dot7)
(NU)
31
SDT6 Out
Slip printer printhead drive signal (dot6)
(NU)
32
SDT5 Out
Slip printer printhead drive signal (dot5)
(NU)
33 GND — GND
34
SDT4 Out
Slip printer printhead drive signal (dot4)
(NU)
35
SDT3 Out
Slip printer printhead drive signal (dot3)
(NU)
36
SDT2 Out
Slip printer printhead drive signal (dot2)
(NU)
37
SDT1 Out
Slip printer printhead drive signal (dot1)
(NU)
38 D0 I/O Data bus 0
39 D1 I/O Data bus 1
40 D2 I/O Data bus 2
41 D3 I/O Data bus 3
42 GND — GND
43 D4 I/O Data bus 4
44 D5 I/O Data bus 5
45 D6 I/O Data bus 6
46 D7 I/O Data bus 7
47
SPRQ Out SSP interrupt request to CPU
48
RESET In MPCA reset
49
SHEN In Shift enable from CKDC8
Pin
No.
Signal
name
In/
Out
Function
50
INT3 In Interrupt signal (Nu)
51 RXD2 Out 8 bit serial port output to CPU
52 TXD2 In 8 bit serial port input from CPU
53 SCK2 In Serial port shift clock input from CPU.
54
IRQ0 Out Interrupt request to CPU
55 A0 In Address bus 0
56 A1 In Address bus 1
57 A2 In Address bus 2
58 A3 In Address bus 3
59 A4 In Address bus 4
60 A5 In Address bus 5
61 GND — GND
62 VCC — +5V
63 A6 In Address bus 6
64 A7 In Address bus 7
65 A8 In Address bus 8
66 A9 In Address bus 9
67 A10 In Address bus 10
68 A11 In Address bus 11
69 A12 In Address bus 12
70 A13 In Address bus 13
71 A14 In Address bus 14
72 A15 In Address bus 15
73 A16 In Address bus 16
74 A17 In Address bus 17
75 A18 In Address bus 18
76 A19 In Address bus 19
77 A20 In Address bus 20
78 A21 In Address bus 21
79 A22 In Address bus 22
80
LCDC — LCD CS (NU)
81 A23 In Address bus 23
82 TRGI In Dot pulse control/drive signal
83
PTMG Out Printer timing signal
84
PRST Out Printer reset signal
85
RDY In Ready from FMC unit
86
IPLON In To option connector (NU)
87 MD1 In Mode select input (+5V)
88 MD0 In Mode select input (GND)
89
TEST In +5V
90 MA15 — Image address 15 (NU)
91 MA18 — Nu
92 MA19 — Nu
93 RCVRDY1 — Nu
94 RCVRDY2 — Nu
95 RC0 — Remote control encord signal for CPU
96 IRTX — I/R output for LED (NU)
97 UASCK — I/R serial data shift clock (NU)
98
UARX — I/R serial data for CPU (NU)
99
UATX — I/R serial data from CPU (NU)
100 VCC — +5V
101 GND — GND
102
IRRX — I/R input from I/R unit (NU)
103
RCI — I/R input from I/R unit (NU)
104 DAX1 — System clock (7.3728MHz)
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