10K
+5VD
10K
+5VD
10K
+5VD
10PF
74HC157
G
S
1B
1A
1Y
2B
2A
2Y
3A
3Y
3B
4A
4B
4Y
10K
10K
+5VD
+5VD
10K
Z80C-10
WR
WAIT
RST
RFSH
RD
NMI
MREQ
M1
IORQ
INT
HALT
BUSREQ
BUSACK
VCC
GND
D7
D6
D5
D4
D3
D2
D1
D0
CLK
A9
A8
A7
A6
A5
A4
A3
A2
A15
A14
A13
A12
A11
A10
A1
A0
NC
NC
NC
NC
10MHZ
+5VD
+5VD
10K
DESCRIPTION
REV
CHECKER
DRAFTER
AUTH.
Q.C.
REVISIONS
1
SIZE
OF
32
A
B
C
D
1
2
3
4
5
6
7
8
4
5
6
7
8
A
B
C
D
NUMBER
CODE
Q.C.
ISSUED
DATE
APPROVALS
CONTRACT
NO.
SHEET
FILE NAME
B
DRAWN
CHECKED
TITLE
exicon
REV
3 OAK PARK
BEDFORD, MA 01730
+5VD
+5VD
10K
+5VD
+5VD
+5VD
8KX8 80NS
A0
A1
A10
A11
A12
A2
A3
A4
A5
A6
A7
A8
A9
CS2
D0
D1
D2
D3
D4
D5
D6
D7
GND
N
C
VCC
CS1
OE
WE
+5VD
10K
74VHCT14
680
47K
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
GND
NC1
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
VCC
CE
OE
WR
70NS
256KX8
29F002
GAL16V8-5
VCC
GND
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
I
I
I
74VHCT138
A
B
C
G1
G2A
G2B
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
0
74VHCT138
A
B
C
G1
G2A
G2B
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
74VHCT14
A1
A2
GND
SCL
SDA
VCC
WP
A0
24C32
4KX8
12/15/00
2
REVISED PER DCR 001109-00
11/10/00
RWH
12/15/00
JV
CW
JLM
12/27/00
JLM
10/17/00
10/17/00
CW
CAM
10/12/00
1
REVISED PER DCR 001002-00
9/28/00
9/28/00
CAM
9/28/00
JV
CW
R
W
H
8/18/00
SPARES
.
SCHEM,MAIN BD,MPX200
8
060-14659
USER PROGRAM STORAGE EEPROM
ACCESS TIME <= 110NS
Z80 RESET
ACCESS TIME <= 90NS
ROM/RAM, uPROC
10/4/00
RWH
2
NC
14659-2
12-27-2000_15:55
55
ZCLK
E2
R82
0
R80
1
8
0
2
3
4
6
5
8
7
1
U8
EEPROM_CLK
[6/A3]
SERIAL_DATA
[6/B8]
[6/A3]
ZINT/
ZWAIT/
[6/A3]
[3/B8,4/A6,6/A6]
RESET/
ZRST_LEXI3
[6/A3]
ZCLK_LEXI3
[6/A3]
[6/B3]
RAM_EN/
ROM_EN/
[6/B3]
56
U14
[6/B8]
REG_SEL/
47
R153
*
47
R152
*
47
R151
*
1
2
3
6
4
5
15
14
13
12
11
10
9
7
U21
*
NC
NC
R156
0
R155
*
[4/B6]
ROW_REG_0/
[4/B6]
ROW_REG_1/
R139
47
47
R140
47
R141
1
2
3
6
4
5
15
14
13
12
11
10
9
7
U22
ZIORQ/
[6/B3]
20
10
19
18
17
16
15
14
13
12
1
2
3
4
5
6
7
8
9
11
*
SPARE1
21
20
19
18
17
15
14
16
1
30
2
3
29
28
4
25
23
26
27
5
6
7
8
9
10
11
12
13
32
22
24
31
U20
R81
R66
ROM_A16
[6/B8]
SP_STAT/
[3/B6]
12
13
U14
[3/A6]
STAT_RD/
NC
R143
10
9
21
23
2
8
7
6
5
4
3
25
24
26
11
12
13
15
16
17
18
19
14
1
28
20
22
27
U16
NC
E1
ZRST/
[6/B3]
ROM_A15
[6/B3]
ZM1/
R145
R113
19
21
23
25
18
13
15
24
16
12
14
22
20
6
39
33
17
11
26
8
5
4
2
3
7
10
9
1
37
36
35
34
32
31
30
29
44
43
42
41
40
38
28
27
U19
NC
NC
NC
NC
NC
NC
NC
[6/B3]
ZMREQ/
R142
R65
R67
15
1
3
2
4
6
5
7
11
9
10
14
13
12
U9
C74
NC
ZD7
ZD6
ZD5
ZD4
ZD3
ZD2
ZD1
ZD0
ZD2
ZD5
ZD7
ZD6
ZD4
ZD3
ZD1
ZD0
ZD5
ZD7
ZD6
ZD4
ZD3
ZD2
ZD1
ZD0
ZD[7:0]
[3/C3,4/B5,6/A7]
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
R144
[6/B8]
ROM_A17
R154
R157
E7
E6
E8
[6/B3]
ZWR/
ZA2
ZA1
ZA0
ZA14
ZA13
ZA12
ZA11
ZA10
ZA9
ZA8
ZA6
ZA5
ZA4
ZA3
ZA2
ZA1
ZA0
ZA7
ZA0
ZA1
ZA2
ZA3
ZA4
ZA5
ZA6
ZA7
ZA8
ZA9
ZA10
ZA11
ZA12
ZA[15:0]
[6/B3]
ZA15
ZA14
ZA13
ZA12
ZA11
ZA10
ZA9
ZA8
ZA7
ZA6
ZA5
ZA4
ZA3
ZA2
ZA1
ZA0
ZA1
ZA2
ZA0
[4/B6]
ROW_REG_2/
ZRD/
[6/B3]
NC
NC
NC
NC
NC
Содержание 200
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