參數(shù)資料
型號: SAA7111
廠商: NXP Semiconductors N.V.
英文描述: Video Input Processor VIP
中文描述: 視頻輸入處理器貴賓
文件頁數(shù): 35/64頁
文件大?。?/td> 433K
代理商: SAA7111
1998 May 15
35
Philips Semiconductors
Product specification
Video Input Processor (VIP)
SAA7111
Fig.27 Application diagram for RGB 24-bit output format.
The pin numbers given in parenthesis refer to the QFP64 package.
I
2
C-bus control bits:
OFTS(1 : 0) = 00 (subaddress 10h, bits D7 and D6).
RGB888 = 1 (subaddress 12h, bit D3).
handbook, full pagewidth
OEN
D7
7
6
5
4
3
2
1
0
D6
D5
D4
D3
D2
D1
D0
VSS
e.g.
74HCT574
(44) 55
(45) 56
(46) 57
(47) 58
(48) 59
(49) 60
(50) 61
(51) 62
(31) 42
(17) 26
(27) 38
HREF
VREF
HS
VS
RTCO
RTS1
RTS0
GPSW
AOUT
LLC
(30) 41
(60) 3
(28) 39
(29) 40
(53) 64
(14) 23
(20) 29
(21) 30
(32) 31
(23) 32
VSS
VPO (4 : 0)
VSS
CLK
O7
3
R (2 : 0)
R (7 : 0)
O6
O5
O4
O3
O2
O1
00
VDD
VDD
3
3
3
2
G (1 : 0)
G (7 : 0)
3
B (2 : 0)
B (7 : 0)
LLC2N
MGD137
LLC2
e.g. 74F240
B (7 : 3)
VPO
(7 : 0)
SAA7111
VPO (15 : 11)
R (7 : 3)
G (7 : 5)
G (4 : 2)
VPO (10 : 8)
VPO (7 : 5)
5
8
8
CREF
RES
8
15
14
13
12
11
10
9
8
(34) 45
(35) 46
(36) 47
(37) 48
(38) 49
(39) 50
(42) 53
(43) 54
VPO
(15 : 8)
15.1
Layout hints
Use separate ground planes for analog and digital ground.
Connect these planes at one point directly under the
device, by using a zero
resistor. Use separate supply
lines for analog and digital supply. Place the supply
decoupling capacitors nearby the supply pins.
Place the coupling (clamp) capacitors close to the analog
input pins. Place the termination resistors close to the
coupling capacitors. Care should be exercised concerning
the hidden layout capacitors around the crystal
application. To avoid reflection effects use serial resistors
in the clock, sync and data lines.
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