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參數資料
| 型號： | ADV7173* |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Digital PAL/NTSC Video Encoder with Six DACs (10 Bits). Color Control and Enhanced Power Management |
| 中文描述： | 數碼PAL / NTSC視頻編碼器與六數模轉換器（10位）。色彩控制和增強的電源管理 |
| 文件頁數： | 10/59頁 |
| 文件大小： | 455K |
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ADV7172/ADV7173
–10–
REV. A
PIN FUNCTION DESCRIPTION
Mnemonic
Input/Output
Function
P7–P0
CLOCK
I
I
8-Bit 4:2:2 Multiplexed YCrCb Pixel Port (P7-P0) P0 represents the LSB.
TTL Clock Input. Requires a stable 27 MHz reference clock for standard operation. Alter-
natively, a 24.52 MHz (NTSC) or 29.5 MHz (PAL) can be used for square pixel operation.
HSYNC
(Modes 1 and 2) Control Signal. This pin may be configured to output (Master
Mode) or as an input and accept (Slave Mode) Sync signals.
Dual Function FIELD (Mode 1) and
VSYNC
(Mode 2) Control Signal. This pin may be
configured to output (Master Mode) or as an input (Slave Mode) and accept these control
signals.
Video Blanking Control Signal. The pixel inputs are ignored when this is logic level “0.”
This signal is optional.
This pin can be configured as an input by setting MR42 and MR41 of Mode Register 4. It
can be configured as a subcarrier reset pin, in which case a high to low transition on this
pin will reset the subcarrier phase to Field 0. Alternatively it may be configured as a Real-
Time Control (RTC) Input.
Voltage Reference Input for DACs or Voltage Reference Output (1.235 V).
A 150
resistor connected from this pin to GND is used to control full-scale amplitudes of
the Video Signals from DACs A, B and C (the “large” DACs).
A 600
resistor connected from this pin to GND is used to control full-scale amplitudes of
the Video Signals from DACs D, E and F (the “small” DACs).
Compensation Pin for DACs A, B and C. Connect a 0.1
μ
F Capacitor from COMP to V
AA
.
For Optimum Dynamic Performance in Low Power Mode, the value of the COMP1
capacitor can be lowered to as low as 2.2 nF.
Compensation Pin for DACs D, E and F. Connect a 0.1
μ
F Capacitor from COMP to V
AA
.
GREEN/Composite/Y Analog Output. This DAC is capable of providing 34.66 mA output.
BLUE/S-Video Y/U Analog Output. This DAC is capable of providing 34.66 mA output.
RED/S-Video C/V Analog Output. This DAC is capable of providing 34.66 mA output.
GREEN/Composite/Y Analog Output. This DAC is capable of providing 8.66 mA output.
BLUE/S-Video Y/U Analog Output. This DAC is capable of providing 8.66 mA output.
RED/S-Video C/V Analog Output. This DAC is capable of providing 8.66 mA output.
MPU Port Serial Interface Clock Input.
MPU Port Serial Data Input/Output.
TTL Output Signal to external circuitry to enable clamping of all video signals.
Input signal to select PAL or NTSC mode of operation, pin set to Logic “1” selects PAL.
VSO
TTL Output Sync Signal.
Dual function
CSO
or
HSO
TTL Output Sync Signal.
TTL Address Input. This signal sets up the LSB of the MPU address.
The input resets the on-chip timing generator and sets the ADV7172/ADV7173 into de-
fault mode. This is NTSC operation, Timing Slave Mode 0, DACs A, B and C powered
OFF, DACs D, E and F powered ON, Composite and S-Video out.
Teletext Data Input Pin.
Teletext Data Request output signal used to control teletext data transfer.
Power Supply (+3 V to +5 V).
Ground Pin.
HSYNC
I/O
FIELD/
VSYNC
I/O
BLANK
I/O
SCRESET/RTC
I
V
REF
R
SET1
I/O
I
R
SET2
I
COMP1
O
COMP2
DAC A
DAC B
DAC C
DAC D
DAC E
DAC F
SCLOCK
SDATA
CLAMP
PAL_NTSC
VSO
CSO_HSO
ALSB
RESET
O
O
O
O
O
O
O
I
I/O
O
I
O
O
I
I
TTX
TTXREQ
V
AA
GND
I
O
P
G
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|---|---|
| ADV7174 | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7174BCP | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7174BCP-REEL | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7174KCP | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7174KCP-REEL | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADV7173KST | 制造商:Rochester Electronics LLC 功能描述:6-DAC NTSC/PAL ENCODER I.C. - Tape and Reel 制造商:Analog Devices 功能描述:IC VIDEO ENCODER |
| ADV7173KST-REEL | 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 48-Pin LQFP T/R |
| ADV7173KSTZ | 功能描述:IC DAC VIDEO NTSC 6-CH 48LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用:DVB-S.2 系統 電壓 - 電源，模擬:- 電壓 - 電源，數字:- 安裝類型:- 封裝/外殼:模塊 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| ADV7173KSTZ-REEL | 功能描述:IC DAC VIDEO NTSC 6-CH 48LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用:DVB-S.2 系統 電壓 - 電源，模擬:- 電壓 - 電源，數字:- 安裝類型:- 封裝/外殼:模塊 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
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