No.
1/0
"Pin
Name
Function
1
I
0 RBCS
VRAM-B chip select
2
0
RBRAS
VRAM-B row address strobe
3
0
RBCAS
VRAM-B column address strobe
r
4
0
RBWE
VRAM-B write enable
5
-
vss
GND
6
0
RBLDM
VRAM-B
DQ
low-order mask enable
7
0
RBUDM
VRAM-B
DQ
high-order mask enable
8
0
RBAO
VRAM-B address bit 0
9
I
0
RBA1
VRAM-B address bit 1
10
-
VDD
+5V power supply
11
I
0
I
RBA2
VRAM-B address bit 2
12
0
RBA3
VRAM-B address bit 3
13
0
RBA4
VRAM-B address bit 4
14
0
RBA5
VRAM-B address bit 5
15
-
VSS GND
16
0
RBA6
VRAM-B address bit 6
17
0
RBA7
VRAM-B address bit 7
18
0
RBA8
VRAM-B address bit 8
19
0
RBA9
VRAM-B address bit 9
20
1/0
VDO
SYSCON interface data bit 0
21
1!0
VOl
SYSCON interface data bit 1
22
1!0
VD2 SYSCON interface data bit 2
23
I/0
VD3 SYSCON interface data bit 3
24
-
vss
GND
25
I/0
VD4 SYSCON interface data bit 4
26
1!0
VD5
SYSCON interface data bit 5
27
1/0
VD6
SYSCON interface data bit 6
28
I/0
VD7 SYSCON interface data bit 7
29
-
VDD
+5V power supply
30
1!0
VD8
SYSCON interface data bit 8
31
1!0
VD9 SYSCON interface data bit 9
32
1/0
VDlO
SYSCON interface data bit 10
33
1!0
VDll
SYSCON interface data bit
11
34
1!0
VD12
SYSCON interface data bit 12
35
1!0
VDl3
SYSCON interface data bit 13
36
-
vss
GND
37
1!0
VD14
SYSCON interface data bit 14
38
1!0
VD15 SYSCON interface data bit
15
39
I
AD
SYSCON interface address/data selection
40
I
DTEN
SYSCON interface data enable
41
0
READY
SYSCON interface data ready
42
I
cs
SYSCON interface chip select
43
-
VDD
+5V power supply
44
0
VINT ·
SYSCON
interface vertical interrupt
45
0
HINT
SYSCON interface horizontal interrupt
46
I
EXLAT
External latch strobe input
47
I
EXSYN
External sync signal input
48
1!0
EXBGO
External input data bit 0 I Test input/output (in test mode)
49
1!0
EXBG1
External input data bit 1
I Test input/output (in test mode)
50
1!0
EXBG2
External input data bit 2
I Test input/output (in test mode)
51
110
EXBG3
External input data bit 3
I Test input/output (in test mode)
52
-
VSS GND
53
110
EXBG4
External input data bit 4
I Test input/output (in test mode)
54
l/0
EXBG5
External input data bit
5 I Test input/output (in test mode)
55
110
EXBG6
External input data bit 6
I Test input/output (in test mode)
56
110
EXBG7
External input data bit 7
I Test input/output (in test mode)
57
110
EXBG8
External input data bit 8
I Test input/output (in test mode)
58
1/0
EXBG9
External input data bit 9
I Test input/output (in test mode)
59
1/0
EXBG10
External input data bit 10 I Test input/output (in test mode)
60
1/0
EXBGII
External input data bit
11/
Test input/output (in test mode)
61
1/0
EXBGI2
External input data bit
12/
Test input/output (in test mode)
62
1/0
EXBG13
External input data bit
13/
Test input/output (in test mode)
63
I/0
EXBG14
External input data bit 14
I Test input/output (in test mode)
-49-