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A
MEMORY BUFFER
SYSAD[63:0]
IC10
SYSAD33
47
4
1A1
SYSAD34
46
1A2
SYSAD35
44
1A3
SYSAD36
43
1A4
SYSAD37
41
2A1
SYSAD38
40
2A2
SYSAD39
38
2A3
SYSAD40
37
2A4
SYSAD41
36
3A1
SYSAD42
35
3A2
SYSAD43
33
3A3
SYSAD44
32
3A4
SYSAD45
30
4A1
SYSAD46
29
4A2
SYSAD47
27
4A3
SYSAD48
26
4A4
1
1OE_
48
2OE_
25
3OE_
24
4OE_
7
VCC
3.3V
18
VCC
31
VCC
42
VCC
74LVC16244
C94
3
IC12
SYSAD49
2
1A1
SYSAD50
4
1A2
SYSAD51
6
1A3
SYSAD52
8
1A4
SYSAD53
11
2A1
13
ROMWE_
2A2
15
BUFDIR
2A3
17
2A4
1
1G
19
2G
74LVC244
C93
2
1
A
9 – 8
AR-PB8
B
RAD[21:1]
2
RAD1
R271
10
1Y1
3
RAD2
R302
10
1Y2
5
RAD3
R301
10
1Y3
6
RAD4
R300
10
1Y4
8
RAD5
R299
10
2Y1
9
RAD6
R298
10
2Y2
11
RAD7
R297
10
2Y3
12
RAD8
R296
10
2Y4
13
RAD9
R295
10
3Y1
14
RAD10
R294
10
3Y2
16
R293
10
RAD11
3Y3
17
RAD12
R292
10
3Y4
19
RAD13
R291
10
4Y1
20
RAD14
R290
10
4Y2
22
RAD15
R289
10
4Y3
23
RAD16
R288
10
4Y4
4
GND
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
GND
0.1u
18
RAD17
R267
10
1Y1
16
RAD18
R268
10
1Y2
14
RAD19
R269
10
1Y3
12
R270
10
RAD20
1Y4
9
R286
10
RAD21
2Y1
7
R285
10
2Y2
FWE_
5
R284
10
2Y3
ROE_
3
2Y4
20
3.3V
VCC
10
GND
0.1u
B
AR-PB8
C
D
MBA[11:0]
CPWBX0034QS51
MA[11:0]
IC11
MA0
47
2
1A1
1Y1
MA1
46
3
1A2
1Y2
MA2
44
5
1A3
1Y3
MA3
43
6
1A4
1Y4
MA4
41
8
2A1
2Y1
MA5
40
9
2A2
2Y2
MA6
38
11
2A3
2Y3
MA7
37
12
2A4
2Y4
MA8
36
13
3A1
3Y1
MA9
35
14
3A2
3Y2
MA10
33
16
3A3
3Y3
MA11
32
17
3A4
3Y4
30
19
RAS1_
4A1
4Y1
29
20
RAS2_
4A2
4Y2
27
22
MWE_
4A3
4Y3
26
23
MOE_
4A4
4Y4
1
1OE_
48
4
GND
2OE_
25
10
GND
3OE_
24
15
4OE_
GND
21
GND
7
28
3.3V
GND
VCC
18
34
GND
VCC
31
39
GND
VCC
42
45
GND
VCC
74LVC16244
C55
0.1u
SYSAD[15:0]
IC13
SYSAD0
47
2
1A1
1B1
SYSAD1
46
3
1A2
1B2
SYSAD2
44
5
1A3
1B3
SYSAD3
43
6
1B4
1A4
SYSAD4
41
8
1B5
1A5
SYSAD5
40
9
1B6
1A6
SYSAD6
38
11
1B7
1A7
SYSAD7
37
12
1B8
1A8
SYSAD8
36
13
2B1
2A1
SYSAD9
35
14
2A2
2B2
SYSAD10
33
16
2A3
2B3
SYSAD11
32
17
2A4
2B4
SYSAD12
30
19
2A5
2B5
SYSAD13
29
20
2A6
2B6
SYSAD14
27
22
2B7
2A7
SYSAD15
26
23
2B8
2A8
1
PIARD_
1DIR
24
4
GND
2DIR
48
10
LDTOE_
GND
1OE_
25
15
2OE_
GND
21
GND
7
28
3.3V
VCC
GND
18
34
VCC
GND
31
39
VCC
GND
42
45
GND
VCC
74LVC16245
C75
0.1u
C
D
E
MBA0
R86
10
MBA1
R87
10
MBA2
R88
10
MBA3
R89
10
MBA4
R90
10
MBA5
R91
10
MBA6
R92
10
R49
10
MBA7
R50
10
MBA8
R51
10
MBA9
MBA10
R52
10
MBA11
R53
10
R54
10
MBRAS1_
R55
10
MBRAS2_
R56
10
MBWE_
R57
10
MBOE_
LDT[15:0]
LDT0
LDT1
LDT2
LDT3
LDT4
LDT5
LDT6
LDT7
LDT8
LDT9
LDT10
LDT11
LDT12
LDT13
LDT14
LDT15
E
9 – 9
4
3
2
1
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