BT848 ETC, BT848 Datasheet - Page 28

• Manufacturer Part Number: BT848
• Description: Single-Chip Video Capture for PCI
• Manufacturer: ETC

F
Composite Video Input Formats
Table 5. Register Values for Video Input Formats
18
IFORM
(0x01)
Cropping:
HDELAY,
VDELAY,
VACTIVE,
CROP
HSCALE
(0x08,
0x09)
ADELAY
(0x18)
BDELAY
(0x19)
Notes: (1). The Bt848A and Bt849A will not output square pixel resolution for PAL N-combination. A smaller number of pixels
UNCTIONAL
Register
must be output.
XTSEL
[4:3]
FORMAT
[2:0]
[7:0] in all
five
registers
[15:0]
[7:0]
[7:0]
D
ESCRIPTION
Bit
01
001
Set to desired
cropping
values in
registers
0x02AC
0x68
0x5D
NTSC-M
01
010
Set to NTSC-M
square pixel
values
0x02AC
0x68
0x5D
NTSC-Japan
10
011
Set to desired
cropping
values in
registers
0x033C
0x7F
0x72
L848A_A
PAL-B, D,
G, H, I
01
100
Set to NTSC-M
square pixel
values
0x02AC
0x68
0x5D
PAL-M
10
101
Set to PAL-B, D, G, H, I square pixel
values
0x033C
0x7F
0x72
PAL-N
Single-Chip Video Capture for PCI
01
111
0x033C
0x7F
0x72
Combination
Bt848/848A/849A
PAL-N
(1)
Brooktree
0x033C
10
110
0x7F
tbd
SECAM
®