Cg16 Master Processor - Intermec EasyCoder 501 Service Manual

17.6:1 CG16 Master Processor

ADS 11
DMAHLDA 1
AD15 2
AD14 3
AD13 4
AD12 5
AD11 6
AD10 7
AD9 8
AD8 9
ADS 11
DMAHLDA DMAHLDA 1
AD0 2
AD1 3
AD2 4
AD3 5
AD4 6
AD5 7
AD6 8
AD7 9
DMAHLDA 1
19
A16' 2
A17' 3
A18' 4
A19' 5
A20' 6
A21' 7
A22' 8
A23' 9
AD0-A15,A1-A20
NHOLDA
RD'
RD'
WR'
WR'
R3
C3
+5V
15pF
GND
/RESET
IC02A
NEXTHOLD 1
& 3 NHOLD
NDMAHOLD 2
74HC08M
IC08B
3 4
74AC14M
HOLDA
+5V +5V +5V +5V
NMI
INT
Intermec EasyCoder 501 – Service Manual Ed. 7
IC13
LE
OE
19 A15 A10
D
18 A14
A11
D
17 A13 A12
D
16 A12
D
15 A11
D
14 A10
D
13 A9
A13
D
12 A8
D
74HC573M
IC15
A10 1
LE
A11 2
OE
19 A0
A12 3
D
18 A1
D
17 A2
A13 4
D
16 A3 CIO 5
D
15 A4
+5V 6
D
14 A5
D
13 A6
D
12 A7
D
74HC573M
IC10
A11
OE1
A12
OE2
A16
18
A17
17
A18
16
A19 A13
15
A20
14
A21
13
WR 1
A22
12
A23 2
11 A23
A22 3
A21 4
74HC541M
A20 5
IC06B
A19 6
19
A18 7
EN
A17 8
11 9 IOR
A16 9
13 7 RD
A15 10
15 5 IOW
AD0 11
17 3 WR
13
74HC241M
GND
C1
C2
GND
L1
GND
/RESET 61
RSTI
62
XIN
GND
GND
CWAIT 64
CWAIT
WAIT2 65
WAIT2
WAIT1 66
WAIT1
NRSTO 67
RSTO
NHOLD 68
HOLD
NHOLDA 1
HOLDA
HBE 2
HBE
+5V
VCC
+5V +5V
4
SPC
NADS 5
ADS
DDIN 6
DDIN
7
PFS
IC08A
8
ST3
2 ADS
1 9
ST2
GND
74AC14M
IC08D
9 8 RESET
74AC14M
IC12
DX
A10 1 15
0 0
0
A11 2 14
1 G 1
7
A12 3 13
2 2
12
3
GND 4 11
4
&
CIO 5 10
5
A13 6 9 CS8255A
6
7 CS8255B
IC16
74HC138M
DX
15 CSRTC
0 0
0 14 CSDMA
1 G 1
7
13 CSAD
2 2
12 CSX0
3
11 CSX1
4
&
10 CSPANEL
5
IC17B
9 CSDI 5
6
7 CSTIMER
TSO 6
74HC138M
74HC02M
IC09
DX
1 15
DDIN
0 0
0
A11 2 14
1 G 1
7
A12 3 13
2 2
12
3
TSO 4 11
4
&
CIO 5 10
5
A13 6 9
6
7
IC04
74HC138M
I0
I1
23 CS0
I2
IO0
22 CS1
I3
IO1
21 CS2
I4
IO2
20 CS3
I5
IO3
19 CS4
I6
IO4
18 CSMEM
I7
IO5
17 WAIT1
I8
IO6
16 WAIT2
I9
IO7
15 MEMTYPE
IO8
MEMTYPE
14 CIO
IO9
A18
GAL22V10
P3
1
+5V 2
NMI 3
4
A18
IC03C
CTTL 9
8 CTTL'
1
10
74HC32M
IC07
32CG16
Chapter 17 CPU Board
IC18
CTTL' 8
+
>C1/
+5V 9
R
CSDIS 1
&
1D
+5V 2 3
4
5
6
10
11
12
IC03D
13 12
13
74HC164M
74HC02M
IC19F
4 ECLK 13 12
1 1
WAIT
74HC04M
RDHPC
WRHPC
WRSENS
WRADDR
VEE
IC01A
1
3 CS3B
1
RESETB 2
74HC32M
IC01B
4
6 CS4B
1
RESETB 5
74HC32M
IC03A
1
3 A18/CS
1
2
74HC32M
R34
FCLK'
+5V
43 AD4
AD4
42 AD5
AD5
41 AD6
AD6
40 AD7
AD7
GND
GND
38 AD8
AD8
37 AD9
AD9
HBE
36 AD10
AD10
35 AD11
AD11
34 AD12
AD12
33 AD13
AD13
32 AD14
AD14
31 AD15
AD15
+5V
VCC
29 A16'
A16
28 A17'
A17
27 A18'
A18
IC702A
11 WAIT8 1
1
3 CWAIT
&
WAIT 2
74HC08M
VEE
IC01C
A0 9
8 WRL
1
WR 10
74HC32M
IC01D
12
11 WRH
1
13
74HC32M
GND
133