參數(shù)資料
型號(hào): ADV7171KSUZ-REEL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 4/64頁(yè)
文件大?。?/td> 0K
描述: IC DAC VIDEO ENC NTSC 44TQFP TR
標(biāo)準(zhǔn)包裝: 1,500
類型: 視頻編碼器
應(yīng)用: 機(jī)頂盒,視頻播放器
電壓 - 電源,模擬: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 44-TQFP
供應(yīng)商設(shè)備封裝: 44-TQFP(10x10)
包裝: 帶卷 (TR)
ADV7170/ADV7171
Rev. C | Page 12 of 64
Pin No.
Mnemonic
Input/
Output
Description
35
SCRESET/RTC
I
This pin can be configured as an input by setting MR22 and MR21 of Mode Register 2.
It can be configured as a subcarrier reset pin, in which case a low-to-high transition on this
pin resets the subcarrier to Field 0. Alternatively, it may be configured as a real-time control
(RTC) input.
36
TTXREQ
O
Teletext Data Request Signal. Defaults to GND when teletext not selected. Enables
backward compatibility to ADV7175/ADV7176.
37
TTX
I
Teletext Data. Defaults to VAA when teletext not selected. Enables backward compatibility
to ADV7175/ADV7176.
44
CLOCK
I
TTL Clock Input. Requires a stable 27 MHz reference clock for standard operation.
Alternatively, a 24.5454 MHz (NTSC) or 29.5 MHz (PAL) can be used for square pixel
operation.
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