BT848 ETC, BT848 Datasheet - Page 123

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

Bt848/848A/849A
Single-Chip Video Capture for PCI
Brooktree
Bits
[7:6]
[11]
[10]
[9]
[8]
[5]
[4]
[3]
[2]
[1]
[0]
Type
®
RR
RO
RR
RR
RO
RR
RR
RR
RR
RR
RR
Default
0
0
0
0
0
0
0
0
0
0
0
Name
RISCI
Reserved
GPINT
I2CDONE
Reserved
VPRES
HLOCK
OFLOW
HSYNC
VSYNC
FMTCHG
L848A_A
Description
Set when the IRQ bit in the RISC instruction is set.
Set upon the programmable edge or level of the GPINTR pin.
Set when an I
Set when the analog video signal input changes from present to
absent or vice versa.
Set if the horizontal lock condition changes on incoming video.
Set when an overflow is detected in the luma or chroma ADCs.
Set when the analog input begins a new video line, or at the GPIO
HRESET leading edge.
Set when FIELD changes on the analog input or GPIO input.
Set when a video format change is detected, i.e. the analog input
changes from NTSC to PAL or vice versa.
2
C read or write operation has completed.
C
ONTROL
R
EGISTER
Interrupt Status
D
EFINITIONS
113