參數(shù)資料
型號(hào)： HMP8156ACNZ
廠商： INTERSIL CORP
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： NTSC/PAL Encoders
中文描述： COLOR SIGNAL ENCODER, PQFP64
封裝： 14 X 14 MM, ROHS COMPLIANT, PLASTIC, MS-022BE, MQFP-64
文件頁(yè)數(shù)： 25/34頁(yè)
文件大?。?/td> 559K
代理商： HMP8156ACNZ
25
4343.4
November 4, 2005
CLK
39
I/O
1X pixel clock input/output. As an input, this clock must be free-running and synchronous
to the clock signal on the CLK2 pin. As an output, this pin may drive a maximum of one LS
TTL load. CLK is generated by dividing CLK2 by two or four, depending on the mode. If
not driven, the circuit for this pin should include a 4-12k
pull up resistor connected to
VAA.
CLK2
41
I
2X pixel clock input. This clock must be a continuous, free-running clock.
SCL
18
I
I
2
C interface clock input. The circuit for this pin should include a 4-6k
pull
up resistor connected to VAA.
SA
19
I
I
2
C interface address select input.
SDA
20
I/O
I
2
C interface data input/output. The circuit for this pin should include a 4-6k
pull-up resistor
connected to VAA.
RESET
25
I
Reset control input. A logical zero for a minimum of four CLK cycles resets the device.
RESET must be a logical one for normal operation.
Y
(G)
3
O
Luminance analog current output. This output contains luminance video, sync, blanking,
and closed captioning information. In analog RGB output mode, green or composite ana-
log video is generated. It is capable of driving a 37.5
load. If not used, it should be con-
nected to GND.
C
(B)
7
O
Chrominance analog current output. This output contains chrominance video, and blanking
information. In analog RGB output mode, blue or red analog video is generated. It is capable
of driving a 37.5
load. If not used, it should be connected to GND.
NTSC/PAL 1
11
O
Composite video analog current output. This output contains composite video, sync, blank-
ing, and closed captioning information. In analog RGB output mode, composite or green an-
alog video is generated. It is capable of driving a 37.5
load. If not used, it should be
connected to GND.
NTSC/PAL 2
(R)
15
O
Composite video analog current output. This output contains composite video, sync, blank-
ing, and closed captioning information. In analog RGB output mode, red or blue analog video
is generated. It is capable of driving a 37.5
load. If not used, it should be connected to GND.
VREF
61
I/O
Voltage reference. An optional external 1.235V reference may be used to drive this pin. If left
floating, the internal voltage reference is used.
FS_ADJUST
62
Full scale adjust control. A resistor (RSET) connected between this pin and GND sets the
full-scale output current of each of the DACs.
COMP 1
64
Compensation pin. A 0.1
μ
F ceramic chip capacitor should be connected between this pin
and VAA, as close to the device as possible.
COMP 2
63
Compensation pin. Connection to this pin is optional. A 0.1
μ
F ceramic chip capacitor may
be connected between this pin and VAA. If used, the capacitor should be placed as close to
the device as possible.
VAA
+5V power. A 0.1
μ
F ceramic capacitor, in parallel with a 0.01
μ
F chip capacitor, should be
used between each group of VAA pins and GND. These should be as close to the device as
possible.
GND
Ground
Pin Descriptions
(Continued)
PIN
NAME
PIN
NUMBER
INPUT/
OUTPUT
DESCRIPTION
HMP8154, HMP8156A
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參數(shù)描述
HMP8156CN 制造商:Rochester Electronics LLC 功能描述:- Bulk
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HMP8170 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Encoder
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