HMP8156ACNZ【PDF 2/34 页】IC VIDEO ENCODER NTSC/PAL 64MQFP

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Sheet目录1996

1页 [2页]3页 4页 5页 6页

FN4343.5

August 20, 2009

16-Bit YCbCr, 16-Bit RGB, 24-Bit RGB Formats

with Flicker Filtering

When the 16-bit YCbCr, 16-bit RGB, or 24-bit RGB data

format is selected and flicker filtering is enabled, pixel and

overlay data is latched on every rising edge of CLK2. The

pixel and overlay input timing is shown in Figures 9-11.

As inputs, BLANK, HSYNC, and VSYNC are latched on

each rising edge of CLK2. As outputs, BLANK, HSYNC, and

VSYNC are output following the rising edge of CLK2. If the

CLK pin is configured as an input, it is ignored. If configured

as an output, it is one-half the CLK2 frequency.

FIGURE 9. PIXEL AND OVERLAY INPUT TIMING - 16-BIT YCBCR WITH FLICKER FILTERING

FIGURE 10. PIXEL AND OVERLAY INPUT TIMING - 16-BIT RGB WITH FLICKER FILTERING

FIGURE 11. PIXEL AND OVERLAY INPUT TIMING - 24-BIT RGB WITH FLICKER FILTERING

CLK2

BLANK

(INPUT)

BLANK

(OUTPUT)

Y 0

Y 1

Y 2Y 3Y 4Y 5

P8-P15

Cb 0Cr 0

Cb 2Cr 2

Cb 4

Cr 4

P0-P7

PIXEL 0

PIXEL 1

PIXEL 2

PIXEL 3

PIXEL 4

PIXEL 5

OL0-OL2,

M1, M0

Y N

Cr N-1

PIXEL N

CLK2

BLANK

(INPUT)

BLANK

(OUTPUT)

P0-P15

PIXEL 0

PIXEL 1

PIXEL 2

PIXEL 3

PIXEL 4

PIXEL 5

OL0-OL2,

M1, M0

PIXEL N

RGB 0

RGB 1

RGB 2

RGB 3

RGB 4

RGB 5

RGB N

CLK2

BLANK

(INPUT)

BLANK

(OUTPUT)

RGB 0RGB 1RGB 2RGB 3RGB 4RGB 5

P0-P23

RGB N

HMP8154, HMP8156A

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