l
Head Control, Mechanism Control
Board
Pin No.
Pin Name
Function
1
FKEYO
I
Feeder printing number setting 0
2
FEEDER
I
“L” : Feeder present
3
FPS
I
Feeder position sensor
4
I -
I
0
IR-BUSY signal output
5
T
Head
sensor
I
6
I
Head position sensor
I
7
IV02
0 Open
I
8
IV01
0
Open
9
I
I
Connected t o ground
10
IV11
I
Connected to ground
11
IVEN
I
Connected to ground
I
I Ground
I
13
14
XOUT
15
v c c
I
Crystal input (8 MHz)
0
Crystal output (8 MHz)
Power
supply
16
AC-T
I
Connected to the power supply
17
AC-W
I I
Connected to the power supply
18
0
Open
19
DRVX
0
Drive signal to the thermal head
= Power applied)
20
PDT3
0
Open
I
PDT2
22
PDT1
0
I
I Printing data to the thermal head
I
23
0
Printing data to the thermal head
24
LATX
0
Data latch signal to the thermal head ( : Latch)
25
HDCK
0
Drive clock to the thermal head
26
TMGE
I 0 I
Open
27
DRQX
0
Open
28
CKO
0
Crystal clock output. Buffer out same as XOUT (Pin 14)
2 9
v c c
30 GND
31 CK
Power supply
Ground
I
Clock input
32
D T R X
I
Connected to ground
33
TMG
I
Timing pulse input (Detects
34
I
Print start signal sets “L” at the start of each color printing.
35
I
Reset
: Reset)
36
RDX
I Read
: Read)
37
W E X
I
Write(t)
38
v c c
Power supply
39
I
Chip select
: Valid)
40
I
T
I
Address bus
