参数资料
型号: CDB4955A
厂商: Cirrus Logic Inc
文件页数: 41/60页
文件大小: 0K
描述: EVALUATION BOARD FOR CS4955A
标准包装: 1
主要目的: 视频,视频处理
嵌入式: 是,其它
已用 IC / 零件: CS4955
主要属性: NTSC/PAL 数字视频编码器
次要属性: 图形用户界面,RS-232 接口
已供物品:
相关产品: CS4954-CQZR-ND - IC VID ENCODER NTSC/PAL 48-TQFP
598-1682-ND - IC VIDEO ENCODER NTSC/PAL 48TQFP
CS4954 CS4955
46
DS278F6
Closed Caption Data Register
Address
0
×19
CC_21_1
Read/Write
Default Value = 00h
0
×1A
CC_21_2
00h
0
×1B
CC_284_1
00h
0
×1C
CC_284_2
00h
Wide Screen Signaling Register 0
Address
0
×1E
WSS_REG_0 Read/Write
Default Value = 00h
Bit
Mnemonic
Function
7:0
CC_21_1
first closed caption databyte of line 21
7:0
CC_21_2
second closed caption databyte of line 21
7:0
CC_284_1
first closed caption databyte of line 284
7:0
CC_284_2
second closed caption databyte of line 284
Bit Number
765
432
1
0
Bit Name
WSS_23
WSS_22
WSS_21
WSS_20
WSS_19
WSS_18
WSS_17
WSS_16
Default
000
0
Bit
Mnemonic
Function
7
WSS_23
Enable wide screen signalling (enable =1)
6
WSS_22
PAL: enable WSS (enable = 1) on line 23 of field 2,
NTSC: don’t care
5
WSS_21
PAL: group 4, bit 13, NTSC: don’t care
4
WSS_20
PAL: group 4, bit 12, NTSC: don’t care
3
WSS_19
PAL: group 4, bit 11, NTSC: bit 20
2
WSS_18
PAL: group 3, bit 10, NTSC: bit 19
1
WSS_17
PAL: group 3, bit 9, NTSC: bit 18
0
WSS_16
PAL: group 3, bit 8, NTSC: bit 17
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