参数资料
型号: CDB4955A
厂商: Cirrus Logic Inc
文件页数: 47/60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
DS278F6
51
Teletext Register 6
Address
0
×2F
TTX_DIS1
Read/Write
Default Value = 00h
Teletext Register 7
Address
0
×30
TTX_DIS2
Read/Write
Default Value = 00h
Teletext Register 8
Address
0
×31
TTX_DIS3
Read/Write
Default Value = 00h
Bit Number
765
432
10
Bit Name
TTX_LINE_DIS1
Default
000
00
Bit
Mnemonic
Function
7:0
TTX_LINE_DIS1
Teletext disable bits corresponding to the lines 5-12 respectively, (11111111=all
eight lines are disabled),
(MSB is for line 5, LSB is for line 12)
Bit Number
765
432
10
Bit Name
TTX_LINE_DIS2
Default
000
00
Bit
Mnemonic
Function
7:0
TTX_LINE_DIS2
Teletext disable bits corresponding to the lines 13-20 respectively, (11111111=all
eight lines are disabled,
(MSB is for line 13, LSB is for line 20)
Bit Number
765
4
3
2
1
0
Bit Name
TTXHD
RESERVED TTX_WINDOW
TTX_LINE_DIS3
Default
000
0
Bit
Mnemonic
Function
7:5
TTXHD
If TTX_WINDOW = 0 these 3 bits are unused.
If TTX_WINDOW = 1 these 3 bits are the MSBs of the register 0×2A; they are used
to specify the length of the teletext insertion window
4
Reserved
3TTX_WINDOW
Selects between TTXRQ (= 0) pulsation or TTXRQ (= 1) Window mode
2:0
TTX_LINE_DIS3
Teletext disable bits corresponding to the lines 13-20 respectively, (111=all three
lines are disabled),
(MSB is for line 21, LSB is for line 23)
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