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CS4955 Datasheet

  • CS4955

  • NTSC/PAL Digital Video Encoder

  • 58頁(yè)

  • CIRRUS

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CS4954 CS4955
Control Register 0
Address
Bit Number
Bit Name
Default
Bit
0
脳
00
7
0
CONTROL_0
6
TV_FMT
0
0
5
Read/Write
4
MSTR
0
Default Value = 01h
3
CCIR656
0
2
PROG
0
1
IN_MODE
0
0
CBCR_UV
1
Mnemonic
selects the TV display format
000:
001:
010:
011:
100:
101:
110-111:
Function
NTSC-M CCIR601 timing (default)
NTSC-M RS170A timing
PAL-B, D, G, H, I
PAL-M
PAL-N (Argentina)
PAL-N (non Argentina)
reserved
7:5
TV_FMT
4
3
2
1
0
MSTR
CCIR656
PROG
IN_MODE
CBCR_UV
1 = Master Mode, 0 = Slave Mode
video input is in ITU R.BT656 format (0 = off, 1 = on)
Progressive scanning enable (enable = 1)
Input select (0 = solid background, 1 = use V [7:0] data)
enable YCbCr to YUV conversion (1 = enable, 0 = disable)
Control Register 1
Address
Bit Number
Bit Name
Default
Bit
0
脳
01
7
LUM DEL
0
0
CONTROL_1
6
5
Read/Write
4
LPF_ON
0
Default Value = 02h
3
RGB_BW
0
2
FLD
0
1
PED
1
0
CBCRSEL
0
CH BW
0
Mnemonic
luma delay on the composite1 output
00:
Function
no delay (default)
1 pixel clock delay
2 pixel clock delay
3 pixel clock delay
7:6
LUM DEL
01:
10:
11:
5
4
3
2
1
0
CH BW
LPF ON
RGB_BW
FLD_POL
PED
CBCRSEL
chroma lpf bandwidth (0 = 650 kHz, 1 = 1.3 Mhz)
chroma lpf on/off (0 = off, 1 = on)
0 = Full bandwidth on RGB, 1 = BW reduced to 2.5 MHz (3 dB point) (default 0)
Polarity of Field (0: odd field = 0,1: odd field = 1)
Pedestal offset (0: 0 IRE, 1: 7.5 IRE)
CbCr select (0 = chroma undelayed, 1 = chroma delayed by one clock)
36
DS278PP4

CS4955 PDF文件相關(guān)型號(hào)

CS4955-CQZ

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