参数资料
型号: TVP5147PFPRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP80
封装: GREEN, PLASTIC, HTQFP-80
文件页数: 20/100页
文件大小: 1465K
代理商: TVP5147PFPRG4
Functional Description
19
SLES099C—March 2007
TVP5147PFP
2.5.1 Separate Syncs
VS, HS, and VBLK are independently software programmable to a 1
× pixel count. This allows any possible
alignment to the internal pixel count and line count. The default settings for 525-line and 625-line video outputs
are given as examples below. FID changes at the same transient time when the trailing edge of vertical sync
occurs. The polarity of FID is programmable by an I2C interface.
First Field Video
525
VS
VBLK
FID
1234567
89
10
20
21
525-Line
HS
VS Start
VS Stop
CS
VBLK Start
VBLK Stop
Second Field Video
262
VS
VBLK
FID
263
264
265
266
267
268
269
270
271
272
273
283
284
HS
VS Start
VS Stop
CS
VBLK Start
VBLK Stop
NOTE: Line numbering conforms to ITU-R BT.470
Figure 218. Vertical Synchronization Signals for 525-Line System
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