參數(shù)資料
型號(hào)： ADV7180
廠商： Analog Devices, Inc.
英文描述： 10-Bit, 4 x Oversampling SDTV Video Decoder
中文描述： 10位，4個(gè)采樣標(biāo)清視頻解碼器
文件頁(yè)數(shù)： 20/112頁(yè)
文件大?。?/td> 1320K
代理商： ADV7180
ADV7180
Timing Signals Output Enable
TIM_OE, Address 0x04 [3]
The TIM_OE bit should be regarded as an addition to the TOD
bit. Setting it high forces the output drivers for HS, VS, and
FIELD into the active state (that is, driving state) even if the
TOD bit is set. If TIM_OE is set to low, the HS, VS, and FIELD
pins are three-stated depending on the TOD bit. This
functionality is beneficial if the decoder is to be used as a
timing generator only. This may be the case if only the timing
signals are to be extracted from an incoming signal, or if the
part is in free-run mode, where a separate chip can output a
company logo, for example.
For more information on three-state control, refer to the
Three-State Output Drivers section and the Three-State LLC
Driver section.
Individual drive strength controls are provided via the
DR_STR_XX bits.
When TIM_OE is 0 (default), HS, VS, and FIELD are three-
stated according to the TOD bit.
When TIM_OE is 1, HS, VS, and FIELD are forced active all the
time.
Drive Strength Selection (Data)
DR_STR[1:0], Address 0xF4 [5:4]
For EMC and crosstalk reasons, it may be desirable to
strengthen or weaken the drive strength of the output drivers.
The DR_STR[1:0] bits affect the P[15:0] output drivers.
For more information on three-state control, refer to the Drive
Strength Selection (Clock) and the Drive Strength Selection
(Sync) sections.
Rev. A | Page 20 of 112
Table 13. DR_STR Function
DR_STR[1:0]
00
01 (default)
10
11
Description
Low drive strength (1×)
Medium-low drive strength (2×)
Medium-high drive strength (3×)
High drive strength (4×)
Drive Strength Selection (Clock)
DR_STR_C[1:0], Address 0xF4 [3:2]
The DR_STR_C[1:0] bits can be used to select the strength of
the clock signal output driver (LLC pin). For more information,
refer to the Drive Strength Selection (Sync) and the Drive
Strength Selection (Data) sections.
Table 14. DR_STR_C Function
DR_STR_C[1:0]
00
01 (default)
10
11
Description
Low drive strength (1×)
Medium-low drive strength (2×)
Medium-high drive strength (3×)
High drive strength (4×)
Drive Strength Selection (Sync)
DR_STR_S[1:0], Address 0xF4 [1:0]
The DR_STR_S[1:0] bits allow the user to select the strength of
the synchronization signals with which HS, VS, and FIELD are
driven. For more information, refer to the Drive Strength
Selection (Data) section.
Table 15. DR_STR_S Function
DR_STR_S[1:0]
00
01 (default)
10
11
Description
Low drive strength (1×)
Medium-low drive strength (2×)
Medium-high drive strength (3×)
High drive strength (4×)
Enable Subcarrier Frequency Lock Pin
EN_SFL_PIN, Address 0x04 [1]
The EN_SFL_PIN bit enables the output of subcarrier lock
information (also known as Genlock) from the ADV7180 core
to an encoder in a decoder/encoder back-to-back arrangement.
When EN_SFL_PIN is 0 (default), the subcarrier frequency lock
output is disabled.
When EN_SFL_PIN is 1, the subcarrier frequency lock
information is presented on the SFL pin.
Polarity LLC Pin
PCLK, Address 0x37 [0]
The polarity of the clock that leaves the ADV7180 via the LLC
pin can be inverted using the PCLK bit.
Changing the polarity of the LLC clock output may be
necessary to meet the setup-and-hold time expectations of
follow-on chips.
When PCLK is 0, the LLC output polarity is inverted.
When PCLK is 1 (default), the LLC output polarity is normal
(see the Timing Specifications section).
相關(guān)PDF資料
PDF描述
ADV7180BCPZ 10-Bit, 4 x Oversampling SDTV Video Decoder
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADV7180_12 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:10-Bit, 4?? Oversampling SDTV Video Decoder
ADV7180BCP32Z 制造商:Analog Devices 功能描述:10-BIT, 4? OVERSAMPLING SDTV VIDEO DECODER - Trays
ADV7180BCP32Z-RL 制造商:Analog Devices 功能描述:IC
ADV7180BCPZ 功能描述:IC VIDEO DECODER SDTV 40-LFCSP RoHS:是 類(lèi)別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類(lèi)型:電平移位器 應(yīng)用:LCD 電視機(jī)/監(jiān)控器 安裝類(lèi)型:表面貼裝 封裝/外殼:28-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:28-WQFN（4x4）裸露焊盤(pán) 包裝:帶卷 (TR) 其它名稱(chēng):296-32523-2TPS65198RUYT-ND
ADV7180BCPZ 制造商:Analog Devices 功能描述:IC VIDEO DECODER 10BIT 57.27MSPS LFCSP40
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