cx25840 Conexant Systems, Inc., cx25840 Datasheet - Page 215

• Manufacturer Part Number: cx25840
• Description: Video Decoder And Broadcast Audio
• Manufacturer: Conexant Systems, Inc.

CX25840/1/2/3 Data Sheet
102284B
8/3/05
TTX Packet Address 2
[7:4]
[3:0]
TTX Packet Address 3
[7:0]
VBI 1 and 2 SDID
[7:4]
[3:0]
VBI 3 SDID
[7:4]
[3:0]
VBI FIFO Reset
[7:4]
[3]
[2]
[1]
[0]
Bits
Bits
Bits
Bits
Bits
RW
RW
RW
RW
RW
RZ
RW
RZ
RW
RW
RW
RW
Type
Type
Type
Type
Type
1111
0000
0xFF
1010
1001
0000
1011
0000
0
0
0
0
Default
Default
Default
Default
Default
TTX_PKTADRU_HB
VBI2_SDID
VBI1_SDID
RESERVED
WSS_FIFO_RST
GS2_FIFO_RST
GS1_FIFO_RST
CC_FIFO_RST
TTX_PKTADRU_LN
TTX_PKTADRL_HN
RESERVED
VBI3_SDID
Name
Name
Name
Name
Name
Conexant
Low nibble of Teletext packet address upper limit for packet
filtering purposes. Enabled when VBIx_TTX_MODE = 1.
High nibble of Teletext packet address lower limit for packet
filtering purposes. Enabled when VBIx_TTX_MODE = 1.
High byte of Teletext packet address upper limit for packet
filtering purposes. Enabled when VBIx_TTX_MODE = 1.
SDID to use when VBI_CUST2 data type is selected.
SDID to use when VBI_CUST1 data type is selected.
SDID to use when VBI_CUST3 data type is selected.
When = 1, reset WSS payload FIFO
When = 1, reset Gemstar2x payload FIFO
When = 1, reset Gemstar1x payload FIFO
When = 1, reset Closed Caption/XDS payload FIFO
Description
Description
Description
Description
Description
Address 0x43F
Address 0x442
Address 0x440
Address 0x43E
Address 0x441
Register Map
5-73