at89c51re2-slsem ATMEL Corporation, at89c51re2-slsem Datasheet - Page 61

• Manufacturer Part Number: at89c51re2-slsem
• Description: At89c51re2 8-bit Flash Microcontroller
• Manufacturer: ATMEL Corporation

ISP Commands description
Select Memory Space
44
AT89C51RE2
The ‘
selected area. For each area (Family) a code is defined. This code corresponds to the
memory area encoded value in the INTEL HEX frame .
The area supported and there coding are listed in the table below.
Table 25. Memory Families & coding
The Bootloader information and the signature areas are read only. The value in the cod-
ing column is the value to report in the corresponding protocol field.
Note:
FLASH
SECURITY
CONFIGURATION
BOOTLOADER
SIGNATURE
Memory/Information Family
Select Memory Space’
* the coding number doesn’t include any information on the authorized address range of
the family. A summary of these addresses is available in appendix (See “Address Map-
ping” on page 50.)
command allows to route all read, write commands to a
coding*
0
7
8
3
6
MEM_SIGNATURE
MEM_PROTECT
MEM_FLASH
MEM_CONF
MEM_BOOT
name
7663B–8051–03/07