SAA5700GP 查看數據表（PDF） - Philips Electronics

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SAA5700GP

Chinese Character System Teletext (CCST) decoder

Philips Electronics 

Philips Semiconductors

Chinese Character System Teletext

(CCST) decoder

Preliminary specification

SAA5700

Extended commands

The extended commands for the decoder are listed in Table 3.

Table 3 Extended commands

OBJECT

FUNCTION

PARAMETER LENGTH

(BYTES)

PARAMETERS

NAME

ID

(HEX)

NAME

Display

48 set sync mode

set display

position

Processor

52 restart software

Memory and OSD 53 read packet

ID

(HEX)

04

08

06

03

INPUT

1

4

3

1

[+1]

write packet

06

1

+40

OSD mode on

08

0

OSD mode off

0A

0

OSD display

0E

0

clear display page 10

0

OUTPUT

INPUT

OUTPUT

−

sync mode

none

−

row start, line start none

−

FFFFFCH

none

40

packet number, packet data

[Designation

code]

−

packet number, none

packet data

−

none

none

−

none

none

−

none

none

−

none

none

1997 May 16

8

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