HMP8115 Intersil Corporation, HMP8115 Datasheet - Page 23

• Manufacturer Part Number: HMP8115
• Description: Ntsc/pal Video Decoder
• Manufacturer: Intersil Corporation

ADDRESS
38
40
SUB-
30
31
32
33
34
35
36
37
H
H
-3F
-7F
NO.
NO.
BIT
BIT
7-0
6-5
2-0
H
H
H
H
H
H
H
H
7
4
3
H
H
START H_BLANK LOW
START H_BLANK HIGH
END H_BLANK
START V_BLANK LOW
START V_BLANK HIGH
END V_BLANK
END HSYNC
HSYNC DETECT WINDOW
Reserved
Test and Unused
Product ID
Reserved
Video Timing Standard
Auto Detect
Video Standard
Setup Select
Reserved
CONTROL REGISTER
FUNCTION
FUNCTION
TABLE 9. 8115 REGISTER SUMMARY (Continued)
This 8-bit register specifies the last two digits of the product number.
It is a read-only register. Data written to it is ignored.
These bits are read only unless D4 = “0”.
00 = (M) NTSC
01 = (B, D, G, H, I, N) PAL
10 = (M) PAL
11 = Combination (N) PAL; also called (N
0 = Manual selection of video timing standard
1 = Auto detect of video timing standard
Typically, this bit should be a “1” during (M) NTSC and (M, N) PAL
operation. Otherwise, it should be a “0”.
0 = Video source has a 0 IRE blanking pedestal
1 = Video source has a 7.5 IRE blanking pedestal
TABLE 11. INPUT FORMAT REGISTER
TABLE 10. PRODUCT ID REGISTER
DEFAULT
RESET/
VALUE
4A
03
7A
02
01
12
40
FF
SUB ADDRESS = 00
SUB ADDRESS = 01
-
-
H
H
H
H
H
H
H
H
HMP8115
23
VALUE
Table 2
Table 2
Table 2
Table 2
Table 2
Table 2
Table 2
USE
DESCRIPTION
DESCRIPTION
20
H
H
H
Recommend HSYNC DETECT WINDOW= 20
C
) PAL
COMMENTS
RESET STATE
RESET
STATE
000
15
00
0
1
1
B
B
B
H
B
B
H