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  • 參數(shù)資料
    型號(hào): ADUC7027BSTZ62I
    廠商: Analog Devices Inc
    文件頁(yè)數(shù): 54/104頁(yè)
    文件大?。?/td> 0K
    描述: IC MCU FLASH 62K ANLG I2C 80LQFP
    產(chǎn)品培訓(xùn)模塊: Process Control
    標(biāo)準(zhǔn)包裝: 90
    系列: MicroConverter® ADuC7xxx
    核心處理器: ARM7
    芯體尺寸: 16/32-位
    速度: 44MHz
    連通性: EBI/EMI,I²C,SPI,UART/USART
    外圍設(shè)備: PLA,PWM,PSM,溫度傳感器,WDT
    輸入/輸出數(shù): 40
    程序存儲(chǔ)器容量: 64KB(32K x 16)
    程序存儲(chǔ)器類型: 閃存
    RAM 容量: 2K x 32
    電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 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 ~ 125°C
    封裝/外殼: 80-LQFP
    包裝: 托盤
    Data Sheet
    ADuC7019/20/21/22/24/25/26/27/28/29
    Rev. F | Page 53 of 104
    Table 35. FEECON Register
    Name
    Address
    Default Value
    Access
    FEECON
    0xFFFFF808
    0x07
    R/W
    FEECON is an 8-bit command register. The commands are
    described in Table 36.
    Table 36. Command Codes in FEECON
    Code
    Command
    Description
    0x001
    Null
    Idle state.
    0x011
    Single read
    Load FEEDAT with the 16-bit data.
    Indexed by FEEADR.
    0x021
    Single write
    Write FEEDAT at the address pointed to
    by FEEADR. This operation takes 50 s.
    0x031
    Erase/write
    Erase the page indexed by FEEADR and
    write FEEDAT at the location pointed by
    FEEADR. This operation takes approxi-
    mately 24 ms.
    0x041
    Single verify
    Compare the contents of the location
    pointed by FEEADR to the data in
    FEEDAT. The result of the comparison is
    returned in FEESTA, Bit 1.
    0x051
    Single erase
    Erase the page indexed by FEEADR.
    0x061
    Mass erase
    Erase 62 kB of user space. The 2 kB of
    kernel are protected. This operation
    takes 2.48 sec. To prevent accidental
    execution, a command sequence is
    required to execute this instruction.
    0x07
    Reserved
    Reserved.
    0x08
    Reserved
    Reserved.
    0x09
    Reserved
    Reserved.
    0x0A
    Reserved
    Reserved.
    0x0B
    Signature
    Give a signature of the 64 kB of Flash/EE
    in the 24-bit FEESIGN MMR. This
    operation takes 32,778 clock cycles.
    0x0C
    Protect
    This command can run only once. The
    value of FEEPRO is saved and removed
    only with a mass erase (0x06) of the key.
    0x0D
    Reserved
    Reserved.
    0x0E
    Reserved
    Reserved.
    0x0F
    Ping
    No operation; interrupt generated.
    1
    The FEECON register always reads 0x07 immediately after execution of any
    of these commands.
    Table 37. FEEDAT Register
    Name
    Address
    Default Value
    Access
    FEEDAT
    0xFFFFF80C
    R/W
    1
    X = 0, 1, 2, or 3.
    FEEDAT is a 16-bit data register.
    Table 38. FEEADR Register
    Name
    Address
    Default Value
    Access
    FEEADR
    0xFFFFF810
    0x0000
    R/W
    FEEADR is another 16-bit address register.
    Table 39. FEESIGN Register
    Name
    Address
    Default Value
    Access
    FEESIGN
    0xFFFFF818
    0xFFFFFF
    R
    FEESIGN is a 24-bit code signature.
    Table 40. FEEPRO Register
    Name
    Address
    Default Value
    Access
    FEEPRO
    0xFFFFF81C
    0x00000000
    R/W
    FEEPRO MMR provides protection following a subsequent
    reset of the MMR. It requires a software key (see Table 42).
    Table 41. FEEHIDE Register
    Name
    Address
    Default Value
    Access
    FEEHIDE
    0xFFFFF820
    0xFFFFFFFF
    R/W
    FEEHIDE MMR provides immediate protection. It does not
    require any software key. Note that the protection settings in
    FEEHIDE are cleared by a reset (see Table 42).
    Table 42. FEEPRO and FEEHIDE MMR Bit Designations
    Bit
    Description
    31
    Read protection. Cleared by user to protect all code.
    Set by user to allow reading the code.
    30:0
    Write protection for Page 123 to Page 120, Page 119
    to Page 116, and Page 0 to Page 3. Cleared by user to
    protect the pages from writing. Set by user to allow
    writing the pages.
    Command Sequence for Executing a Mass Erase
    FEEDAT=0x3CFF;
    FEEADR = 0xFFC3;
    FEEMOD= FEEMOD|0x8;
    //Erase key enable
    FEECON=0x06;
    //Mass erase command
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