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參數資料
| 型號： | ADV7179 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| 中文描述： | 芯片級PAL / NTSC制式視頻編碼器與高級電源管理 |
| 文件頁數： | 28/52頁 |
| 文件大小： | 488K |
| 代理商： | ADV7179 |
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ADV7174/ADV7179
MODE REGISTER 0 (MR0)
Rev. A | Page 28 of 52
Bits:
Address:
MR07 – MR00
SR4–SR0 = 00H
Figure 38 shows the various operations under the control of Mode Register 0. This register can be read from as well as written to.
CHROMA FILTER SELECT
MR07 MR06
0 0 0 1.3 MHz LOW-PASS FILTER
0 0 1 0.65 MHz LOW-PASS FILTER
0 1 0 1.0 MHz LOW-PASS FILTER
0 1 1 2.0 MHz LOW-PASS FILTER
1 0 0 RESERVED
1 0 1 CIF
1 1 0 QCIF
1 1 1 RESERVED
MR05
MR01
MR00
MR07
MR02
MR03
MR05
MR06
MR04
OUTPUT VIDEO
STANDARD SELECTION
MR01 MR00
0 0 NTSC
0 1 PAL (B, D, G, H, and I)
1 0 PAL (M)
1 1 RESERVED
LUMA FILTER SELECT
MR02
MR04 MR03
0 0 0 LOW-PASS FILTER (NTSC)
0 0 1 LOW-PASS FILTER (PAL)
0 1 0 NOTCH FILTER (NTSC)
0 0 1 NOTCH FILTER (PAL)
1 0 0 EXTENDED MODE
1 0 1 CIF
1 1 0 QCIF
1 1 1 RESERVED
0
Figure 38. Mode Register 0
Table 9. MR0 Bit Description
Bit Name
Output Video Standard
Selection
Bit No.
MR01–MR00
Description
These bits are used to set up the ENCODE mode. The ADV7174/ADV7179 can be set up to
output NTSC, PAL (B/D/G/H/I), and PAL (M and N) standard video.
PAL M is available on the ADV7174 only.
These bits specify which luminance filter is to be selected. The filter selection is made
independent of whether PAL or NTSC is selected.
These bits select the chrominance filter. A low-pass filter can be selected with a choice of
cutoff frequencies 0.65 MHz, 1.0 MHz, 1.3 MHz, or 2 MHz, along with a choice of CIF or QCIF
filters.
Luminance Filter Control
MR02–MR04
Chrominance Filter Control MR05–MR07
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| ADV7179BCPZ | 功能描述:IC ENCODER VID NTSC/PAL 40LFCSP 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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