sheet 1 of 6
DWG. B2240
Mydax Inc.
Auburn, CA.
Mydax Controller M1001
'CPU'
D0
D1
D3
D2
D6
D7
D5
D4
A14
A13
+5V
26
27
28
1
28
26
A0
A1
A8
A4
A11
A12
A10
A9
A7
A6
A5
A3
A2
CE
OE
A15
WRN
U22
U16
27C256
EPROM
6264
Read/Write
Memory
20
22
14
20
22
27
14
11
12
13
15
16
17
18
19
10
9
8
7
6
5
4
3
25
24
21
23
2
D4
D5
D7
D6
D2
D3
D1
D0
A0
A1
+5v
1
2
3
4
5
6
7
8
11
9
14
15
16
18
20
19
24
22 23 21
14
RDN
WRN
8254AN
U17
82C54
Counter
Timer
100 Hz
200 KHz
Baud Clock
10
13
17
A12
A13
A14
MREQN
A15
U14
8251N
KEYN
Nov 10, 1997
0.1uf
+5V
ResetN
In4
ResetN
+5V
U21
Max
690
8
7
6
5
4
3
2
1
2
3
4
1
1k
WaitN
J7
R1
10k
0.1uf
8.0MHz
D0
D1
D3
D2
D6
D7
D5
D4
26
27
20
19
22
21
14
15
12
8
7
9
10
29
17
16
13
30
31
32
33
34
35
36
37
38
39
40
1
2
3
4
5
11
25
6
24
"CPU"
Z84C0008
U9
M1N
IOREQN
MREQN
WRN
RDN
A0
A1
A3
A2
A6
A7
A5
A4
A8
A9
A11
A10
A14
A15
A13
A12
+5V
8.0 Mhz
Osc. U15
+5V
NMI
J7
Int
J7
10K
10K
1K
1K
U7
U12
1
2
13
12
3
4
8255N
8254BN
C
Pr
Q
11
10
12
13
Qn 8
Cl
D
U8
9
+5V
RTC
In3
C
Pr
Q
3
4
2
1
Qn
Cl
D
U8
5
U7
7
4
5
3
RxRdy
TxRdy from
sheet 2
4 MHz
to sheet 2
Bat.
Lithium
Battery
U44
9
10
8
74HC138
A
B
C
1
2
3
4
5
6
15
14
13
12
11
10
9
7
Содержание 1M9W-S
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