SAA5552PS/M2A Просмотр технического описания (PDF) - Philips Electronics

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производитель

SAA5552PS/M2A

Standard TV Microcontrollers with On-Screen Display(OSD)

Philips Electronics 

Philips Semiconductors

Standard TV microcontrollers with

On-Screen Display (OSD)

Preliminary specification

SAA55xx

handbook, full pagewidthMEMORY

PROGRAM ROM

USER ROM

(64K x 8-BIT)

CHARACTER ROM

USER ROM

(9K x 12-BIT)

PACKET 26 ROM

USER ROM

(4K x 8-BIT)

SECURITY BITS INTERACTION

USER ROM PROGRAMMING

VERIFY

(ENABLE/DISABLE)

(ENABLE/DISABLE)

USER ROM PROGRAMMING

VERIFY

(ENABLE/DISABLE)

(ENABLE/DISABLE)

USER ROM PROGRAMMING

VERIFY

(ENABLE/DISABLE)

(ENABLE/DISABLE)

GSA030

Fig.4 Memory and security bit structures.

handbook, full pagewidthMEMORY

PROGRAM ROM

CHARACTER ROM

PACKET 26 ROM

SECURITY BITS SET

USER ROM PROGRAMMING

VERIFY

(ENABLE/DISABLE)

(ENABLE/DISABLE)

DISABLED

ENABLED

DISABLED

ENABLED

DISABLED

ENABLED

MBK954

1999 Oct 27

Fig.5 Security bits for production devices.

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