SAA4978 Просмотр технического описания (PDF) - Philips Electronics

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Компоненты Описание

производитель

SAA4978

Picture Improved Combined Network (PICNIC)

Philips Electronics 

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YC8

to

WEC IEC YC0

UVC8

to

UVC0

UVD0 YD0

to

to

UVD8 YD8

RED

SPECTRAL

MEASUREMENT

NOISE

ESTIMATION

A

SUBTITLE

DETECTION

BLACK BAR

DETECTION

NOISE

REDUCTION

HISTOGRAM

MODIFICATION

B

113 112 114 to 122 124 to 132

3-STATE

DITHER

DOWNSAMPLER

DITHER

5

FORMATTER

DITHER

8 DPCM 4

CODER

MUX

bus C

SPECIAL FUNCTION

REGISTERS

VARIOUS

REGISTERS

AUXILIARY

RAM

PROGRAM

ROM

91

101 to 109 110

to 99

UNDITHER

SPECTRAL

MEASUREMENT

MUX

DYNAMIC 10

PEAKING

NON-LINEAR 10

PHASE

FILTER

5

REFORMATTER

UPSAMPLER

4

DPCM DECODER

MUX

10

DCTI

10

BORDER

BLANK

DAC

TRIPLE

10-BIT

bus D

SAA4978H

PIXREP BLANKING

BORDER

12 YOUT

TRIPLE

ANALOG

POST-FILTER

14

UOUT

15 VOUT

C

SKEWEN CL16

CL16

CL16

CL16

HREF

SKEW

CL32

D

DATA8

P1.1

80C51 MICROCONTROLLER CORE

bone

P1.5

WATCHDOG

FREQUENCY

GUARD

PLL

INT1 INT0 P1.4

EA PSEN P3.5 P3.4 P1.2 P1.3 P1.7 P1.6 RST

E

F

G

12

SNDA SNCL

140 149

to to

147 156 136 137 138 160 159 8 9 5 4 6

P2.7 P0.7 EA

ALE

T0

RSTR SCL

to to

P2.0 P0.0

PSEN T1

RSTW SDA

RST

OR

42, 63, 86,

111, 133, 3 52, 123, 148

7

88

CRYSTAL

OSCILLATOR

89 28

34

35

WDRST

VSSO1

to

VSSO6

VDDO1

to

VDDO3

CLK16 CLK32 HA

OSCI

OSCO

MHB173

Standard bus width in data path is 9 bits; exceptions are marked.

Fig.2 Block diagram (continued from Fig.1).

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