Owner manual

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
76543210
Bit Name
TTX_LINE_DIS1
Default
00000000
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
76543210
Bit Name
TTX_LINE_DIS2
Default
00000000
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 3 210
Bit Name
TTXHD RESERVED TTX_WINDOW TTX_LINE_DIS3
Default
000 0 0 000
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)