參數(shù)資料
型號: MC44725VFU
廠商: Motorola, Inc.
英文描述: Digital Video Encoder
中文描述: 數(shù)字視頻編碼器
文件頁數(shù): 25/39頁
文件大?。?/td> 518K
代理商: MC44725VFU
MC44724/5 Rev 0.21 03/25/97
No.
This document contains information on a new product. Specifications and information herein are subject to change without notice.
25
[Register Mapping and Description]
Sub-address 70 : Variable I/O Switch (write/read)
MSB
LSB
Register 70
bs-off
self-SW
color bar
select
VBLK SW
EXTsync
SW
default : 0000_0001(bin)
F/Vsync
SW
M/S
mode1
M/S
mode0
bs - off
: color burst control switch On/Off
0 : color burst ON (default)
1 : color burst OFF
self - SW
: internal self H/V counter reset switch On / Off
0 : self counter reset OFF (default)
1 : self counter reset ON
Note : this mode is ONLY valid at when 70h[1: 0] is "10(bin)" or "11(bin)".
color bar select
: color bar select
Luma
100%
100%
Chroma
100%
75%
0 : color bar
1 : color bar
VBLK SW
: Vertical Blanking Mask Enabale switch On-Off
0 : reject VBI information data in vertical blanking period (default)
1 : through VBI information data in vertical blanking period
EXTsync SW
: Composite sync/Flame sync output switch
0 : Frame sync output (default)
1 : compsite sync output
F/Vsync SW
: Flame sync /Vertical sync output switch
0 : Vertical sync output (default)
1 : Frame sync output
M/S sync mode1 : Master or Slave sync mode
M/S sync mode0
00 : 656 slave or H/V master mode
01 : 656 slave mode(no H/Vsync output) (defalt)
10 : Fsync/Hsync slave mode
11 : Vsync/Hsync slave mode
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