Intermec EasyCoder 501 XP & 601 XP – Service Manual
130
Chapter 15 CPU Board
15.8 Schematics, cont.
Thermal Printhead Interface
A/D3
IOBE0
A/D3
IOEN
IOEN
LVDATA
LLS
A/D3
CTRL
A/D4
A/D4
SINGCLK
TPHIN4
TPHIN3
TPHIN2
TPHIN1
TPHIN0
IOEN
TPHOUT2
TPHOUT1
TPHOUT7
TPHOUT6
TPHOUT5
TPHOUT4
TPHOUT3
TPHOUT0
TPHIN6
TPHIN5
GND
VCC
IOD7
IOD6
IOD5
IOD4
IOEN
IOCS4ARD
VCC
VCC
VCC
VCC
VCC
IOD0
IOD1
IOD2
IOD3
IOD0
IOD1
IOD2
IOD3
IOD4
IOD5
IOD6
IOD7
TPHOUT0
TPHOUT1
TPHOUT2
TPHOUT3
TPHOUT4
TPHOUT5
TPHOUT6
TPHOUT7
VCC
VCC
TPHIN0
TPHIN1
TPHIN2
TPHIN3
TPHIN4
TPHIN5
TPHIN6
LLS
IOD0
IOD1
IOD2
IOD3
IOD4
IOD5
IOD6
IOD7
GND
VCC
VCC
VCC
IOD0
IOD1
IOD2
IOD3
IOD4
IOD5
IOD6
IOD7
IOEN
IOD8
IOD9
IOD10
IOD11
IOD12
IOD13
IOD14
IOD15
IOCS4AWR
DREQ0
IOCS4AWR
SYSCLK
DACK0
IOWR
RESET
CLK1
LVCLK
PCLOAD
LCLOAD
LCCLK
PCCLK
TPHCLK
TPHWR
SYSCLK
CLK1
LVCLK
PCCYO
DACK0
IOWR
LCCYO
SINGCLK
RESET
IOBE0
LLS
DREQ0
P24
GND
VCC
V24
LVDATA
TPHDATA
TPHDATA
TPHCLK
TPHCLKO
TPHOUT0
TPHOUT1
TPHOUT2
TPHOUT3
TPHOUT4
TPHOUT5
TPHOUT6
TPHOUT7
TPHIN0
TPHIN1
TPHIN2
TPHIN3
TPHIN4
TPHIN5
TPHIN6
TPHCLKO
TPHDATA
TPH
GND
ID4
ID3
ID2
ID1
ID0
BEO
GND
ID5
TERM2
TERM1
CONT5
CONT4
CONT3
CONT2
CONT1
STROBE2
STROBE1
LATCH
DATAIN2
CLOCK
DATAIN1
GND
GND
VCC
VCC
G1
G2
A1
A2
A3
A4
A5
A6
A7
A8
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
CLR
LOAD
ENT
ENP
CLK
A
B
C
D
RCO
QA
QB
QC
QD
CLR
LOAD
ENT
ENP
CLK
A
B
C
D
RCO
QA
QB
QC
QD
CLR
LOAD
ENT
ENP
CLK
A
B
C
D
RCO
QA
QB
QC
QD
CLR
LOAD
ENT
ENP
CLK
A
B
C
D
RCO
QA
QB
QC
QD
CLR
LOAD
ENT
ENP
CLK
A
B
C
D
RCO
QA
QB
QC
QD
OC
CLK
1D
2D
3D
4D
5D
6D
7D
8D
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
OC
CLK
1D
2D
3D
4D
5D
6D
7D
8D
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
GND
GND
GND
V24
GND
P24
GND
GND
GND
GND
V24
GND
GND
GND
GND
VCC
A
B
Y
I0
I1
I2
I3
I4
I5
I6
I7
I8
I9
I10
I11
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
IO8
IO9
GND
AY
VCC
GND
GND
GND
GND
GND
GND
GND
GND
1
19
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
1
9
10
7
2
3
4
5
6
15
14
13
12
11
1
9
10
7
2
3
4
5
6
15
14
13
12
11
1
9
10
7
2
3
4
5
6
15
14
13
12
11
1
9
10
7
2
3
4
5
6
15
14
13
12
11
1
9
10
7
2
3
4
5
6
15
14
13
12
11
1
11
2
3
4
5
6
7
8
9
19
18
17
16
15
14
13
12
1
11
2
3
4
5
6
7
8
9
19
18
17
16
15
14
13
12
E
B
C
E
B
C
E
B
C
23
1
E
B
C
E
B
C
4
8
1
3
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
4
5
6
1
2
3
4
5
6
7
8
9
10
11
13
23
22
21
20
19
18
17
16
15
14
13
12
E
B
C
E
B
C
E
B
C
ã
&
CTRDIV16
CTRDIV16
CTRDIV16
CTRDIV16
CTRDIV16
ã
ã
=1
1
IOBUS
74HC541
IC48
74HC163
IC44
74HC163
IC45
74HC163
IC47
74HC163
IC46
74HC163
IC43
74HC574
IC42
CTRL
74HC574
IC49
R403
R402
R401
T43
T42
T41
R419
R420
R
421
R408
R409
R410
R411
R417
R418
C41
C42
317
IC401
T48
R422
T47
R407
R413
R415
R416
358
IC808A
R412
R414
P41
R426
74HC86
IC805B
22V10
IC41
PIO
PWR
74HC04
IC804F
L41
L42
R491
R492
R493
R494
R486
R487
R488
R489
R490
R485
R484
R483
R482
R481
R480
C43
C48
C44
R404
R405
R406
T44
T45
T46
R423
R
424
R
425
C47
C45
C46
1-971600-27 CPU Board