參數(shù)資料
型號: DSPIC33FJ256MC510-I/PF
廠商: Microchip Technology
文件頁數(shù): 3/136頁
文件大?。?/td> 0K
描述: IC DSPIC MCU/DSP 256K 100TQFP
產(chǎn)品培訓(xùn)模塊: dsPIC33F DMAC
Introduction to dsPIC33F Architecture Part 1
Asynchronous Stimulus
Introduction to dsPIC33F Architecture Part 2
特色產(chǎn)品: PIC24FJ/33FJ MCUs & dsPIC? DSCs
標(biāo)準(zhǔn)包裝: 90
系列: dsPIC™ 33F
核心處理器: dsPIC
芯體尺寸: 16-位
速度: 40 MIP
連通性: CAN,I²C,IrDA,LIN,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,電機(jī)控制 PWM,QEI,POR,PWM,WDT
輸入/輸出數(shù): 85
程序存儲器容量: 256KB(256K x 8)
程序存儲器類型: 閃存
RAM 容量: 16K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 24x10b/12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-TQFP
包裝: 托盤
產(chǎn)品目錄頁面: 654 (CN2011-ZH PDF)
配用: MA330013-ND - MODULE PLUG-IN DSPIC33 100TQFP
DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
AC164323-ND - MODULE SKT FOR 100TQFP
100
4235K–8051–05/08
AT89C51RD2/ED2
24.6.4
Bootloader Functionality
The bootloader can be activated by two means: Hardware conditions or regular boot process.
The Hardware conditions (EA = 1, PSEN = 0) during the Reset# falling edge force the on-chip
bootloader execution. This allows an application to be built that will normally execute the end
user’s code but can be manually forced into default ISP operation.
As PSEN is a an output port in normal operating mode after reset, user application should take
care to release PSEN after falling edge of reset signal. The hardware conditions are sampled at
reset signal falling edge, thus they can be released at any time when reset input is low.
To ensure correct microcontroller startup, the PSEN pin should not be tied to ground during
power-on (See Figure 24-4).
Figure 24-4. Hardware conditions typical sequence during power-on.
The on-chip bootloader boot process is shown Figure 24-5.
VCC
PSEN
RST
Table 24-6.
Bootloader Process Description
Purpose
Hardware Conditions
The Hardware Conditions force the bootloader execution whatever BLJB,
BSB and SBV values.
BLJB
The Boot Loader Jump Bit forces the application execution.
BLJB = 0 => Bootloader execution
BLJB = 1 => Application execution
The BLJB is a fuse bit in the Hardware Byte.
It can be modified by hardware (programmer) or by software (API).
Note: The BLJB test is performed by hardware to prevent any program
execution.
SBV
The Software Boot Vector contains the high address of customer bootloader
stored in the application.
SBV = FCh (default value) if no customer bootloader in user Flash.
Note: The customer bootloader is called by JMP [SBV]00h instruction.
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dsPIC33FJ256MC510T-I/PF 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 Bit MCU/DSP 40MIPS 256KB FLASH RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
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