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  • 參數(shù)資料
    型號: DSPIC30F6013AT-20I/PT
    廠商: Microchip Technology
    文件頁數(shù): 35/66頁
    文件大?。?/td> 0K
    描述: IC DSPIC MCU/DSP 132K 80TQFP
    標(biāo)準(zhǔn)包裝: 1,200
    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: 欠壓檢測/復(fù)位,LVD,POR,PWM,WDT
    輸入/輸出數(shù): 68
    程序存儲(chǔ)器容量: 132KB(44K x 24)
    程序存儲(chǔ)器類型: 閃存
    EEPROM 大?。?/td> 2K x 8
    RAM 容量: 6K x 8
    電壓 - 電源 (Vcc/Vdd): 2.5 V ~ 5.5 V
    數(shù)據(jù)轉(zhuǎn)換器: A/D 16x12b
    振蕩器型: 內(nèi)部
    工作溫度: -40°C ~ 85°C
    封裝/外殼: 80-TQFP
    包裝: 帶卷 (TR)
    配用: DM300024-ND - KIT DEMO DSPICDEM 1.1
    XLT80PT3-ND - SOCKET TRAN ICE 80MQFP/TQFP
    AC164320-ND - MODULE SKT MPLAB PM3 80TQFP
    AC30F007-ND - MODULE SKT FOR DSPIC30F 80TQFP
    dsPIC30F Flash Programming Specification
    DS70102K-page 40
    2010 Microchip Technology Inc.
    11.6
    Erasing Program Memory in
    Low-Voltage Systems
    The procedure for erasing program memory (all code
    memory and data memory) in low-voltage systems
    (with VDD between 2.5 volts and 4.5 volts) is quite
    different than the procedure for erasing program
    memory in normal-voltage systems. Instead of using a
    Bulk Erase operation, each region of memory must be
    individually erased by row. Namely, all of the code
    memory, executive memory and data memory must be
    erased one row at a time. This procedure is detailed in
    Due to security restrictions, the FBS, FSS and FGS
    register cannot be erased in low-voltage systems.
    Once any bits in the FGS register are programmed to
    ‘0’, they can only be set back to ‘1’ by performing a Bulk
    Erase in a normal-voltage system. Alternatively, a Seg-
    ment Erase operation can be performed instead of a
    Bulk Erase.
    Normal-voltage systems can also be used to erase
    program memory as shown in Table 11-5. However,
    since this method is more time-consuming and does
    not clear the code-protect bits, it is not recommended.
    Note:
    Program memory must be erased before
    writing any data to program memory.
    TABLE 11-5:
    SERIAL INSTRUCTION EXECUTION FOR ERASING PROGRAM MEMORY
    (EITHER IN LOW-VOLTAGE OR NORMAL-VOLTAGE SYSTEMS)
    Command
    (Binary)
    Data
    (Hexadecimal)
    Description
    Step 1: Exit the Reset vector.
    0000
    040100
    000000
    GOTO 0x100
    NOP
    Step 2: Initialize NVMADR and NVMADRU to erase code memory and initialize W7 for row address updates.
    0000
    EB0300
    883B16
    883B26
    200407
    CLR
    W6
    MOV
    W6, NVMADR
    MOV
    W6, NVMADRU
    MOV
    #0x40, W7
    Step 3: Set NVMCON to erase 1 row of code memory.
    0000
    24071A
    883B0A
    MOV
    #0x4071, W10
    MOV
    W10, NVMCON
    Step 4: Unlock the NVMCON to erase 1 row of code memory.
    0000
    200558
    883B38
    200AA9
    883B39
    MOV
    #0x55, W8
    MOV
    W8, NVMKEY
    MOV
    #0xAA, W9
    MOV
    W9, NVMKEY
    Step 5: Initiate the erase cycle.
    0000
    0000
    A8E761
    000000
    000000
    A9E761
    000000
    BSET NVMCON, #WR
    NOP
    Externally time ‘P13a’ ms (see Section 13.0 “AC/DC Characteristics and
    NOP
    BCLR NVMCON, #WR
    NOP
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