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參數(shù)資料
| 型號(hào)： | MSM7662 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | NTSC/PAL Digital Video Decoder(NTSC/PAL制式數(shù)字視頻譯碼器) |
| 中文描述： | NTSC / PAL數(shù)字視頻解碼器（的NTSC / PAL制式數(shù)字視頻譯碼器） |
| 文件頁(yè)數(shù)： | 31/48頁(yè) |
| 文件大?。?/td> | 369K |
| 代理商： | MSM7662 |
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Semiconductor
MSM7662
31/47
Register Parameters
Registers controlled from the I
2
C-bus are listed below.
An asterisk (*) indicates that the register setting value is the default value.
Mode Register A (MRA)
Write only
<address: $00>
MRA[7:6]
Video output mode
00: ITU-R BT.656 (SAV, EAV, blank processing)
*01: Y,C 8 bits (SAV, EAV, without blank processing)
10: Y,C 16 bits
11: RGB 24 bits
*0: Offset binary
1: 2's Complement
*0: Composite video input
1: S-video input
*000: NTSC ITU-R BT.601 13.5 MHz
001: NTSC Square Pixel
010: NTSC 4fsc
100: PAL ITU-R BT.601
101: PAL Square Pixel
*0: External pin mode
1: Register mode
MRA[5]
Chroma format
MRA[4]
Video input model
MRA[3:1]
Video Input mode2
12.27 MHz
14.31818 MHz
13.5 MHz
14.75 MHz
MRA[0]
Disable MODE[3:0] pin
Mode Register B (MRB)
Write only
<address: $01>
MRB[7:6]
Synchronization mode
*00: FIFO-1 (use internal memory)
01: FIFO-2 (use internal memory)
10: FM-1 (use external memory, external control)
11: FM-2 (use external memory, control signals
supplied from M[7:4])
*0: Auto color killer (Chrominance signal level is
set to "0" if the color burst level is below the
specified value.)
*1: Forced color killer (Chrominance signal level
is forced to "0".)
0: OFF (Video signal is demodulated and output
regardless of synchronization detection.)
*1: AUTO (Blue Back is output when synchro-
nization is not detected.)
*00: Analog Clamp (HSY = 1)
01: Analog, HSY hybrid clamp
10: HSY clamp
11: HSY = 0
*00: Adaptive comb filter (Correlation of 3 lines is
monitored and operating mode is selected.)
01: Non-adaptive comb filter (Operating mode is
always fixed.)
10: Use trap filter. (Comb filter is not used.)
11: Undefined
MRB[5]
Color killer mode
MRB[4]
Blue Back
MRB[3:2]
Clamp mode
MRB[1:0]
Y/C separation mode
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