參數(shù)資料
型號: DSPIC33FJ256MC510-I/PT
廠商: Microchip Technology
文件頁數(shù): 16/136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: 119
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: 876-1001-ND - DSPIC33 BREAKOUT BOARD
MA330013-ND - MODULE PLUG-IN DSPIC33 100TQFP
DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
112
4235K–8051–05/08
AT89C51RD2/ED2
24.10 API Call Description
The IAP allows to reprogram a microcontroller on-chip Flash memory without removing it from
the system and while the embedded application is running.
The user application can call some Application Programming Interface (API) routines allowing
IAP. These API are executed by the bootloader.
To call the corresponding API, the user must use a set of Flash_api routines which can be linked
with the application.
Example of Flash_api routines are available on the Atmel web site on the software application
note:
C Flash Drivers for the AT89C51RD2/ED2
The API calls description and arguments are shown in Table 24-10.
24.10.1
Process
The application selects an API by setting R1, ACC, DPTR0 and DPTR1 registers.
All calls are made through a common interface “USER_CALL” at the address FFF0h.
The jump at the USER_CALL must be done by LCALL instruction to be able to comeback in the
application.
Before jump at the USER_CALL, the bit ENBOOT in AUXR1 register must be set.
24.10.2
Constraints
The interrupts are not disabled by the bootloader.
Interrupts must be disabled by user prior to jump to the USER_CALL, then re-enabled when
returning.
Interrupts must also be disabled before accessing EEPROM Data then re-enabled after.
The user must take care of hardware watchdog before launching a Flash operation.
Table 24-10. API Call Summary
Command
R1
A
DPTR0
DPTR1
Returned Value
Command Effect
READ MANUF ID
00h
XXh
0000h
XXh
ACC = Manufacturer Id
Read Manufacturer identifier
READ DEVICE ID1
00h
XXh
0001h
XXh
ACC = Device Id 1
Read Device identifier 1
READ DEVICE ID2
00h
XXh
0002h
XXh
ACC = Device Id 2
Read Device identifier 2
READ DEVICE ID3
00h
XXh
0003h
XXh
ACC = Device Id 3
Read Device identifier 3
ERASE BLOCK
01h
XXh
DPH = 00h
00h
ACC = DPH
Erase block 0
DPH = 20h
Erase block 1
DPH = 40h
Erase block 2
DPH = 80h
Erase block 3
DPH = C0h
Erase block 4
PROGRAM DATA BYTE
02h
Vaue to write
Address of
byte to
program
XXh
ACC = 0: DONE
Program up one data byte in the on-chip
flash memory.
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