hmp8156a Intersil Corporation, hmp8156a Datasheet - Page 14

• Manufacturer Part Number: hmp8156a
• Description: Ntsc/pal Video Encoder
• Manufacturer: Intersil Corporation

.
.
FULL INPUT RESOLUTION, RECTANGULAR PIXELS
FULL INPUT RESOLUTION, SQUARE PIXELS
SIF INPUT RESOLUTION, RECTANGULAR PIXELS
SIF INPUT RESOLUTION, SQUARE PIXELS
VIDEO STANDARD
-10
-20
-30
-40
-50
-60
(B, D, G, H, I) PAL
(B, D, G, H, I) PAL
(B, D, G, H, I) PAL
(B, D, G, H, I) PAL
(M, NSM) NTSC
(M, NSM) NTSC
(M, NSM) NTSC
(M, NSM) NTSC
0
0
(CN) PAL
(CN) PA
(CN) PAL
(CN) PAL
PAL SQUARE PIXEL
CLK2 = 29.50MHz
NTSC OR PAL
RECTANGULAR PIXEL
CLK2 = 27.00MHz
(M) PAL
(M) PAL
(M) PAL
(M) PAL
(N) PAL
(N) PAL
(N) PAL
(N) PAL
NTSC SQUARE PIXEL
CLK2 = 24.54MHz
2
FIGURE 18A. FULL SPECTRUM
L
4
FREQUENCY (MHz)
6
TOTAL
14
PIXELS PER LINE
858
864
858
864
864
780
944
780
944
944
429
432
429
432
432
390
472
390
472
472
8
ACTIVE
10
TABLE 7. TYPICAL VIDEO TIMING PARAMETERS
720
720
720
720
720
640
768
640
768
768
352
352
352
352
352
320
384
320
384
384
FIGURE 18. Y LOWPASS FILTER RESPONSE
12
HMP8154, HMP8156A
923 (0x39by)
HBLANK REGISTER VALUES
842 (0x34a)
853 (0x355)
842 (0x34a)
853 (0x355)
853 (0x355)
923 (0x39b)
923 (0x39b)
923 (0x39b)
834 (0x342)
845 (0x34d)
842 (0x34a)
853 (0x355)
853 (0x355)
923 (0x39b)
923 (0x39b)
758 (0x2f6)
758 (0x2f6)
758 (0x2f6)
758 (0x2f6)
14
START
122 (0x7a)
133 (0x85)
122 (0x7a)
133 (0x85)
133 (0x85)
118 (0x76)
155 (0x9b)
118 (0x76)
155 (0x9b)
155 (0x9b)
130 (0x82)
141 (0x8d)
122 (0x7a)
133 (0x85)
133 (0x85)
118 (0x76)
155 (0x9b)
118 (0x76)
155 (0x9b)
155 (0x9b)
END
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
0
0
1
259 (0x103)
310 (0x136)
259 (0x103)
309 (0x135)
310 (0x136)
259 (0x103)
310 (0x136)
259 (0x103)
309 (0x135)
310 (0x136)
259 (0x103)
310 (0x136)
259 (0x103)
309 (0x135)
310 (0x136)
259 (0x103)
310 (0x136)
259 (0x103)
309 (0x135)
310 (0x136)
FIGURE 18B. PASS BAND
VBLANK REGISTER VALUES
PAL SQUARE PIXEL
CLK2 = 29.50MHz
NTSC OR PAL
RECTANGULAR PIXEL
CLK2 = 27.00MHz
NTSC SQUARE PIXEL
CLK2 = 24.54MHz
START
2
FREQUENCY (MHz)
3
19 (0x13)
22 (0x16)
19 (0x13)
21 (0x15)
22 (0x16)
19 (0x13)
22 (0x16)
19 (0x13)
21 (0x15)
22 (0x16)
19 (0x13)
22 (0x16)
19 (0x13)
21 (0x15)
22 (0x16)
19 (0x13)
22 (0x16)
19 (0x13)
21 (0x15)
22 (0x16)
4
END
5
November 4, 2005
6
(MHz)
CLK2
24.54
24.54
24.54
24.54
27.0
27.0
27.0
27.0
27.0
29.5
29.5
29.5
27.0
27.0
27.0
27.0
27.0
29.5
29.5
29.5
4343.4
7