參數(shù)資料
型號: BT458LPJ125
英文描述: Video DAC with Color Palette (RAMDAC)
中文描述: 視頻DAC的調色板(的RAMDAC)
文件頁數(shù): 9/60頁
文件大小: 647K
代理商: BT458LPJ125
L45801 Rev. N
Conexant
1-1
1
1.0 Circuit Description
1.1 Pin Descriptions
The Bt457/Bt458 is available in both 84-pin Plastic Leaded Chip Carrier (PLCC)
and Ceramic PGA packages, as illustrated in
Figures 1-1
and
1-2
.
Table 1-1
provides pin descriptions.
Table 1-2
gives pin labels for the PGA package.
Figure 1-1. Bt457/Bt458 84-Pin J-Lead Package
Pin Bt458 Bt457
28
29
30
IOB
IOR
IN/C
PLL
P4E
P5A
P5B
P5C
P5D
P5E
P6A
P6B
P6C
P6D
P6E
P7A
P7B
P7C
P7D
P7E
VAA
GND
VAA
GND
VREF
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
75
76
77
78
79
80
81
82
83
84
1
2
3
4
5
6
7
8
9
10
11
P2A
P1E
P1D
P1C
P1B
P1A
P0E
P0D
P0C
P0B
P0A
OL1E
OL1D
OL1C
OL1B
OL1A
OL0E
OL0D
OL0C
OL0B
OL0A
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
3
3
D
D
D
D
D
D
D
D
C
G
G
V
C
C
R
V
(
(
(
F
C
7
7
7
7
7
6
6
6
6
6
6
6
6
6
6
5
5
5
5
5
5
P
P
P
P
P
P
P
P
P
G
V
V
C
C
L
B
S
P
P
P
P
457-8_002
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