CS4954 CS4955
Filter Register 5
Address
0×27
B_AMP
Read/Write
Default Value = 80h
Bit Number
Bit Name
Default
7
6
5
4
3
2
1
0
B_AMP
1
0
0
0
0
0
0
0
Bit
Mnemonic
7:0
B_AMP
Blue amplitude coefficient
Function
Filter Register 6
Address
0×28
Bright_Offsett Read/Write
Default Value = 00h
Bit Number
Bit Name
Default
7
6
5
4
3
2
1
0
BRIGHTNESS_OFFSET
0
0
0
0
0
0
0
0
Bit
Mnemonic
Function
7:0
BRGHT_OFFSET Brightness adjustment ( range: -128 to +127)
Teletext Register 0
Address
0×29
TTXHS
Read/Write
Default Value = A1h
Bit Number
Bit Name
Default
7
6
5
4
3
2
1
0
TTXHS
1
0
1
0
0
0
0
1
Bit
Mnemonic
Function
7:0
TTXHS
Start of teletext request pulses or start of window
Teletext Register 1
Address
0×2A
TTXHD
Read/Write
Default Value = 02h
Bit Number
Bit Name
Default
7
6
5
4
3
2
1
0
TTXHD
0
0
0
0
0
0
1
0
Bit
Mnemonic
Function
If TTX_WINDOW = 0 then this register is used as the Pipeline delay between
TTXRQ and TTXDAT signals in the teletext source. User programmable delay step
7:0
TTXHD
of 37 ns per LSB.
If TTX_WINDOW = 1 then this register is used as the 8 LSBs of the teletext insertion
windows; the 3 MSBs are located in register 0×31. (register 0×31 bit 3)
DS278F6
49