CS4955-CQZ View Datasheet(PDF) - Cirrus Logic
Part Name
Description
Manufacturer
CS4955-CQZ Datasheet PDF : 60 Pages
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CS4954 CS4955
Teletext Register 6
Address
0×2F
TTX_DIS1
Read/Write
Default Value = 00h
Bit Number
Bit Name
Default
7
6
5
4
3
2
1
0
TTX_LINE_DIS1
0
0
0
0
0
0
0
0
Bit
Mnemonic
Function
Teletext disable bits corresponding to the lines 5-12 respectively, (11111111=all
7:0
TTX_LINE_DIS1 eight lines are disabled),
(MSB is for line 5, LSB is for line 12)
Teletext Register 7
Address
0×30
TTX_DIS2
Read/Write
Default Value = 00h
Bit Number
Bit Name
Default
7
6
5
4
3
2
1
0
TTX_LINE_DIS2
0
0
0
0
0
0
0
0
Bit
Mnemonic
Function
Teletext disable bits corresponding to the lines 13-20 respectively, (11111111=all
7:0
TTX_LINE_DIS2 eight lines are disabled,
(MSB is for line 13, LSB is for line 20)
Teletext Register 8
Address
Bit Number
Bit Name
Default
0×31
7
0
TTX_DIS3
Read/Write
Default Value = 00h
6
TTXHD
0
5
4
3
2
1
0
RESERVED TTX_WINDOW
TTX_LINE_DIS3
0
0
0
0
0
0
Bit
Mnemonic
Function
If TTX_WINDOW = 0 these 3 bits are unused.
7:5
TTXHD
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
3
TTX_WINDOW Selects between TTXRQ (= 0) pulsation or TTXRQ (= 1) Window mode
Teletext disable bits corresponding to the lines 13-20 respectively, (111=all three
2:0
TTX_LINE_DIS3 lines are disabled),
(MSB is for line 21, LSB is for line 23)
DS278F6
51
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