at89c51ac3-s3sim ATMEL Corporation, at89c51ac3-s3sim Datasheet - Page 41

Manufacturer Part Number

at89c51ac3-s3sim

Description

At89c51ac3 Enhanced 8-bit Microcontroller With 64kb Flash Memory

Manufacturer

ATMEL Corporation

Datasheet

1.AT89C51AC3-S3SIM.pdf (140 pages)

Figure 24. Flash Memory Architecture with ENBOOT=0 (user modemode)

4383D–8051–02/08

Extra Row (128 Bytes)

Hardware Security (1 byte)

Column Latches (128 Bytes)

FFFFh

F800h

0000h

64K Bytes

FM0

Memory space not accessible

FM1 mapped between FFFFh and

F800h when bit ENBOOT is set in

AUXR1 register

Flash memory

boot space

2K Bytes

FM1

FFFFh

F800h