參數(shù)資料
型號: AT89C51RB2-SLSUM
廠商: Atmel
文件頁數(shù): 119/127頁
文件大?。?/td> 0K
描述: IC 8051 MCU FLASH 16K 44PLCC
產(chǎn)品培訓模塊: MCU Product Line Introduction
標準包裝: 972
系列: 89C
核心處理器: 8051
芯體尺寸: 8-位
速度: 60MHz
連通性: SPI,UART/USART
外圍設備: POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 16KB(16K x 8)
程序存儲器類型: 閃存
RAM 容量: 1.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
AT89STK-11-ND - KIT STARTER FOR AT89C51RX2
91
AT89C51RB2/RC2
4180E–8051–10/06
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 36. 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
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