参数资料
型号: S5D0127X01-Q0R0
厂商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: MULTISTANDARD VIDEO DECODER/SCALER
中文描述: 多标准视频解码器/倍线器
文件页数: 51/96页
文件大小: 1509K
代理商: S5D0127X01-Q0R0
ELECTRONICS
S5D0127X01 Data Sheet
MULTIMEDIA VIDEO
PAGE 51 OF 96
Modified on May/04/2000
Control Register A
Index
Mnemonic
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
01h
CMDA
POWDN
VSE
HFSEL[1:0]
XT24
PIXSEL
MNFMT
IFMT
IFMT
Manual video input standard select. Standard selection can be controlled automatically if
MNFMT
=0.
0
Chip is forced to assume input is 50 Hz.*
1
Chip is forced to assume input is 60 Hz.
Manual input format control override. When this bit is 1 the
IFMT
bit is enabled.
0
The chip determines the input video standard based on the detected field rate:*
NTSC if 60 Hz.
PAL/SECAM if 50 Hz.
1
Input video standard is selected with the
IFMT
bit.
Select pixel sampling rate.
0
Output data is at square pixel rate.
1
Output data is at CCIR 601 rate.*
Select the external clock reference frequency.
0
External clock is 26.8 MHz.
1
External clock is 24.576 MHz.*
Horizontal tracking loop frequency select.
0
Force loop to very fast.
1
Force loop to fast.
2
Force loop to VCR time constant.*
3
Force loop to TV time constant.
Change the vertical end location of the VS.
0
Line 10/10.5.*
1
Line 9/9.5.
Power down mode.
0
Normal operation.*
1
All chip functions except microprocessor interface and CK/CK2 generation are
disabled. The output of the CK/CK2 pins retains the most recent frequency when
the power down mode is enabled.
MNFMT
PIXSEL
XT24
HFSEL[1:0]
VSE
POWDN
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