T89C51RD2-3CSCL ATMEL [ATMEL Corporation], T89C51RD2-3CSCL Datasheet - Page 59
T89C51RD2-3CSCL
Manufacturer Part Number
T89C51RD2-3CSCL
Description
0 to 40 MHz Flash Programmable 8-bit Microcontroller
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.T89C51RD2-3CSCL.pdf
(104 pages)
- Current page: 59 of 104
- Download datasheet (2Mb)
Bootloader Architecture
Introduction
Acronyms
4243G–8051–05/03
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
ISP: In-system Programming
SBV: Software Boot Vector
BSB: Boot Status Byte
SSB: Software Security Bit
Access via
Specific
Protocol
Access From
User
Application
Bootloader
T89C51RD2
Flash Memory
59
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