參數(shù)資料
型號: DSPIC30F4013-20I/PT
廠商: Microchip Technology
文件頁數(shù): 100/153頁
文件大?。?/td> 0K
描述: IC DSPIC MCU/DSP 48K 44TQFP
產(chǎn)品培訓(xùn)模塊: Serial Communications using dsPIC30F CAN
Serial Communications using dsPIC30F I2C
Serial Communications using dsPIC30F SPI
Serial Communications using dsPIC30F UART
dsPIC30F 12 bit ADC - Part 2
dsPIC30F Addressing Modes - Part 1
dsPIC30F Architecture - Part 1
dsPIC30F DSP Engine & ALU
dsPIC30F Interrupts
dsPIC30F Motor Control PWM
dsPIC Timers
Asynchronous Stimulus
dsPIC30F Addressing Modes - Part 2
dsPIC30F Architecture - Part 2
dsPIC30F 12-bit ADC Part 1
標(biāo)準(zhǔn)包裝: 160
系列: dsPIC™ 30F
核心處理器: dsPIC
芯體尺寸: 16-位
速度: 20 MIPS
連通性: CAN,I²C,SPI,UART/USART
外圍設(shè)備: AC'97,欠壓檢測/復(fù)位,I²S,POR,PWM,WDT
輸入/輸出數(shù): 30
程序存儲器容量: 48KB(16K x 24)
程序存儲器類型: 閃存
EEPROM 大小: 1K x 8
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 2.5 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 13x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 托盤
配用: XLT44PT3-ND - SOCKET TRAN ICE 44MQFP/TQFP
AC164305-ND - MODULE SKT FOR PM3 44TQFP
其它名稱: DSPIC30F401320IPT
dsPIC30F3014/4013
DS70138G-page 50
2010 Microchip Technology Inc.
6.2
Erasing Data EEPROM
6.2.1
ERASING A BLOCK OF DATA
EEPROM
In order to erase a block of data EEPROM, the
NVMADRU and NVMADR registers must initially point
to the block of memory to be erased. Configure
NVMCON for erasing a block of data EEPROM and
set the WR and WREN bits in the NVMCON register.
Setting the WR bit initiates the erase, as shown in
6.2.2
ERASING A WORD OF DATA
EEPROM
The NVMADRU and NVMADR registers must point to
the block. Select a block of data Flash and set the WR
and WREN bits in the NVMCON register. Setting the
WR bit initiates the erase, as shown in Example 6-3.
EXAMPLE 6-2:
DATA EEPROM BLOCK ERASE
EXAMPLE 6-3:
DATA EEPROM WORD ERASE
; Select data EEPROM block, WR, WREN bits
MOV
#4045,W0
MOV
W0,NVMCON
; Initialize NVMCON SFR
; Start erase cycle by setting WR after writing key sequence
DISI
#5
; Block all interrupts with priority <7 for
; next 5 instructions
MOV
#0x55,W0
;
MOV
W0,NVMKEY
; Write the 0x55 key
MOV
#0xAA,W1
;
MOV
W1,NVMKEY
; Write the 0xAA key
BSET
NVMCON,#WR
; Initiate erase sequence
NOP
; Erase cycle will complete in 2mS. CPU is not stalled for the Data Erase Cycle
; User can poll WR bit, use NVMIF or Timer IRQ to determine erasure complete
; Select data EEPROM word, WR, WREN bits
MOV
#4044,W0
MOV
W0,NVMCON
; Start erase cycle by setting WR after writing key sequence
DISI
#5
; Block all interrupts with priority <7 for
; next 5 instructions
MOV
#0x55,W0
;
MOV
W0,NVMKEY
; Write the 0x55 key
MOV
#0xAA,W1
;
MOV
W1,NVMKEY
; Write the 0xAA key
BSET
NVMCON,#WR
; Initiate erase sequence
NOP
; Erase cycle will complete in 2mS. CPU is not stalled for the Data Erase Cycle
; User can poll WR bit, use NVMIF or Timer IRQ to determine erasure complete
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