T89C51RD2-RLTIM View Datasheet(PDF) - Atmel Corporation
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MFG CO.
'T89C51RD2-RLTIM' PDF : 104 Pages View PDF
T89C51RD2
Bootloader Architecture
Introduction
The bootloader manages a communication according to a specific defined protocol to
provide the whole access and service on Flash memory. Furthermore, all accesses and
routines can be called from the user application.
Figure 22. Diagram Context Description
Acronyms
Access via
Specific
Protocol
Access From
User
Application
Bootloader
ISP: In-system Programming
SBV: Software Boot Vector
BSB: Boot Status Byte
SSB: Software Security Bit
Flash Memory
59
4243G–8051–05/03
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