参数资料
型号: ADV611JSTZ
厂商: Analog Devices Inc
文件页数: 29/46页
文件大小: 0K
描述: IC CCTV DGTL VIDEO CODEC 120LQFP
标准包装: 1
类型: 视频编解码器
数据接口: 串行
分辨率(位): 8 b
三角积分调变:
电压 - 电源,数字: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 120-LQFP
供应商设备封装: 120-LQFP(14x14)
包装: 托盘
ADV611/ADV612
–35–
REV. 0
CCIR-656 Video Format Timing
The diagrams in this section show transfer timing for pixel (YCrCb), line (horizontal), and frame (vertical) data in CCIR-656 video
mode. All output values assume a maximum pin loading of 50 pF. Note that in timing diagrams for CCIR-656 video, the label CTRL
indicates the VSYNC, HSYNC, and FIELD pins.
Table XX. CCIR-656 Video—Decode Pixel (YCrCb) Timing Parameters
Parameter
Description
Min
Max
Units
tVDATA_DC_D
VDATA Signals, Decode CCIR-656 Mode, Delay
N/A
14
ns
tVDATA_DC_OH
VDATA Signals, Decode CCIR-656 Mode, Output Hold
4
N/A
ns
tCTRL_DC_D
CTRL Signals, Decode CCIR-656 Mode, Delay
N/A
11
ns
tCTRL_DC_OH
CTRL Signals, Decode CCIR-656 Mode, Output Hold
5
N/A
ns
(O) CTRL
(O) VCLKO
t
CTRL DC OH
(O) VDATA
t
VDATA DC OH
VALID
t
CTRL DC D
t
VDATA DC D
Figure 24. CCIR-656 Video—Decode Pixel (YCrCb) Transfer Timing
Table XXI. CCIR-656 Video—Encode Pixel (YCrCb) Timing Parameters
Parameter
Description
Min
Max
Units
tVDATA_EC_S
VDATA Bus, Encode CCIR-656 Mode, Setup
2
N/A
ns
tVDATA_EC_H
VDATA Bus, Encode CCIR-656 Mode, Hold
5
N/A
ns
tCTRL_EC_D
CTRL Signals, Encode CCIR-656 Mode, Delay
N/A
33
ns
tCTRL_EC_OH
CTRL Signals, Encode CCIR-656 Mode, Output Hold
20
N/A
ns
t
VDATA EC H
(O) CTRL
(I) VCLK
(I) VDATA
ASSERTED
VALID
ASSERTED
VALID
t
CTRL EC OH
t
CTRL EC D
t
VDATA EC S
Figure 25. CCIR-656 Video—Encode Pixel (YCrCb) Transfer Timing
(I) VCLK
(O) VCLKO
(VCLK2 = 0)
(I) VCLKO
(VCLK2 = 1)
t
VCLK CYC
t
VCLKO D0
t
VCLKO D1
NOTE:
USE VCLK FOR CLOCKING VIDEO-ENCODE OPERATIONS AND USE VCLKO FOR CLOCKING VIDEO-DECODE OPERATIONS.
DO NOT TRY TO USE EITHER CLOCK FOR BOTH ENCODE AND DECODE.
Figure 23. Video Clock Timing
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