Datasheet

112
AT89C51IC2
4301D–8051–02/08
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 43. Diagram Context Description
Acronyms ISP: In-system Programming
SBV: Software Boot Vector
BSB: Boot Status Byte
SSB: Software Security Bit
HW : Hardware Byte
Bootloader
Flash Memory
Access via
Specific
Protocol
Access From
User
Application