參數(shù)資料
型號(hào): T89C51RD2-SMSIL
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 0 to 40 MHz Flash Programmable 8-bit Microcontroller
中文描述: 8-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQCC68
封裝: PLASTIC, LCC-68
文件頁(yè)數(shù): 59/104頁(yè)
文件大小: 798K
代理商: T89C51RD2-SMSIL
59
T89C51RD2
4243G
8051
05/03
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
ISP: In-system Programming
SBV: Software Boot Vector
BSB: Boot Status Byte
SSB: Software Security Bit
Bootloader
Flash Memory
Access via
Specific
Protocol
Access From
User
Application
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