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C
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
FXA2
FXA3
FXA4
FXA5
FXA6
10
FXA7
10
FXA8
10
FXA9
10
FXA10
6,7,10
FXA11
6,7
FXA12
FXA13
FXA14
FXA15
FXA16
IC46A
1
3
2
74LCX08MTC
C
IC52
MEMD31
47
1A1
MEMD30
46
1A2
MEMD29
44
1A3
MEMD28
43
1A4
MEMD27
41
1A5
MEMD26
40
1A6
MEMD25
38
1A7
MEMD24
37
1A8
MEMD23
36
2A1
MEMD22
35
2A2
MEMD21
33
2A3
MEMD20
32
2A4
MEMD19
30
2A5
MEMD18
29
2A6
MEMD17
27
2A7
MEMD16
26
2A8
3.3V
7
VCC
18
VCC
31
VCC
42
VCC
C209
0.1uF
4
GND
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
GND
74LCX16245MEA
IC49
LA17
47
1A1
LA18
46
1A2
LA19
44
1A3
LA20
43
1A4
LA21
41
2A1
LA22
40
2A2
38
FMCS14
2A3
37
FMCS15
2A4
36
FMCS18
3A1
35
FMCS19
3A2
33
FOE
3A3
32
FWE1
3A4
30
4A1
29
4A2
27
4A3
26
4A4
3.3V
7
VCC
18
VCC
31
VCC
42
VCC
C301
C208
0.1uF
0.1uF
4
GND
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
GND
74LCX16244MEA
AR-M350U CIRCUIT DIAGRAM 9-23
D
FXD31
2
1B1
FXD30
3
1B2
FXD29
5
1B3
FXD28
6
1B4
FXD27
8
1B5
FXD26
9
1B6
FXD25
11
1B7
FXD24
12
1B8
FXD23
13
2B1
FXD22
14
2B2
FXD21
16
2B3
FXD20
17
2B4
FXD19
19
2B5
FXD18
20
2B6
FXD17
22
2B7
FXD16
23
2B8
1
1DIR
24
2DIR
48
1G
25
2G
FXA17
2
1Y1
FXA18
3
1Y2
FXA19
5
1Y3
FXA20
6
1Y4
FXA21
8
2Y1
FXA22
9
2Y2
11
2Y3
12
2Y4
13
3Y1
14
3Y2
16
3Y3
17
3Y4
19
4Y1
20
4Y2
22
4Y3
23
4Y4
1
1OE
48
2OE
25
3OE
24
4OE
D
E
FXD[31:0]
9
FXCS14
9
FXCS15
9
FXCS18
9
FXCS19
9
FXOE
9
FXWE
9
FXCS16_17
9
FXA[22:2]
9
E
5
4
3
2
1
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