SAA5541PS 데이터 시트보기 (PDF) - Philips Electronics

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SAA5541PS

TV microcontrollers with Closed Captioning (CC) and On-Screen Display (OSD)

Philips Electronics 

Philips Semiconductors

TV microcontrollers with Closed Captioning (CC)

and On-Screen Display (OSD)

Preliminary specification

SAA55xx

handbook, full pagewidthMEMORY

PROGRAM ROM

CHARACTER ROM

SECURITY BITS SET

USER ROM PROGRAMMING

VERIFY

(ENABLE/DISABLE)

(ENABLE/DISABLE)

ENABLED

ENABLED

ENABLED

ENABLED

GSA008

Fig.6 Security bits for production blank devices.

2000 Feb 23

handbook, halfpage

DATA

MEMORY

FFH

upper 128 bytes

80H

7FH

lower 128 bytes

00H

accessible

by indirect

addressing

only

accessible

by direct

and indirect

addressing

SPECIAL

FUNCTION

REGISTERS

accessible

by direct

addressing

only

MBK956

Fig.7 Internal data memory.

12

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