HMP8117 Datasheet, PDF (30/45 Pages) Intersil Corporation – NTSC/PAL Video Decoder

HMP8117
TABLE 26. RAW VBI START COUNT REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 12_H
DESCRIPTION
7-0
Raw VBI Start
Count
Specifies the start of the raw VBI data sampling window in two CLK2 period steps from the
leading edge of HSYNC.
RESET
STATE
7A_H
TABLE 27. RAW VBI STOP COUNT LSB REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 13_H
DESCRIPTION
RESET
STATE
7-0
Raw VBI Stop Count This 8-bit register is cascaded with Raw VBI Stop Count MSB (below) to form a 10-bit stop count
4A_H
LSB
value. The stop count specifies the end of the raw VBI data sampling window in two CLK2 period
steps from the leading edge of HSYNC.
TABLE 28. RAW VBI STOP COUNT MSB REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 14_H
DESCRIPTION
RESET
STATE
7-2
Reserved
000000_B
1-0
Raw VBI Stop Count This 2-bit register is cascaded with Raw VBI Stop Count LSB (above) to form a 10-bit stop count
11_B
MSB
value. The stop count specifies the end of the raw VBI data sampling window in two CLK2 period
steps from the leading edge of HSYNC.
TABLE 29. RAW VBI LINE MASK_7_0 REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 15_H
DESCRIPTION
RESET
STATE
7-0
Raw VBI Line
Mask_7_0
A “1” in each bit position enables raw VBI capture for a corresponding input video line. Refer to
FE_H
Table 32 below.
TABLE 30. RAW VBI LINE MASK_15_8 REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 16_H
DESCRIPTION
RESET
STATE
7-0
Raw VBI Line
Mask_15_8
A “1” in each bit position enables raw VBI capture for a corresponding input video line. Refer to
1F_H
Table 32 below.
TABLE 31. RAW VBI LINE MASK_18_16 REGISTER
SUB ADDRESS = 17_H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-3
Reserved
2-0
Raw VBI Line
Mask_18_16
A “1” in each bit position enables raw VBI capture for a corresponding input video line. Refer to
Table 32 below.
00000_B
000_B
30