參數(shù)資料
    型號: MCP25020T-I/SL
    廠商: Microchip Technology
    文件頁數(shù): 18/66頁
    文件大小: 0K
    描述: IC I/O EXPANDER CAN 8B 14SOIC
    標準包裝: 2,600
    接口: CAN
    輸入/輸出數(shù): 8
    中斷輸出:
    頻率 - 時鐘: 4MHz
    電源電壓: 2.7 V ~ 5.5 V
    工作溫度: -40°C ~ 85°C
    安裝類型: 表面貼裝
    封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
    供應(yīng)商設(shè)備封裝: 14-SOIC
    包裝: 帶卷 (TR)
    包括: 存儲器,PWM
    配用: MCP2515DM-PCTL-ND - BOARD DEMO FOR MCP2515
    其它名稱: MCP25020TI/SL
    2007
    Micr
    ochip
    T
    e
    ch
    nol
    ogy
    I
    n
    c.
    DS21664D
    -page
    25
    MCP2502X/5X
    TABLE 4-2:
    COMMAND MESSAGES (STANDARD IDENTIFIER)
    Information Request Messages (to MCP2502X/5X)
    Standard ID
    Data Bytes
    1
    0
    98 76543 210
    R
    T
    R
    I
    D
    E
    DLC
    Read A/D Regs
    xxxx xxx * 0 0 0 1*
    0 1 0 0 0
    8*
    n/a
    Read Control Regs
    xxxx xxx * 0 0 1 1*
    0 0 1 1 1
    7*
    n/a
    Read Config Regs
    xxxx xxx * 0 1 0 1*
    0 0 1 0 1
    5*
    n/a
    Read CAN Error
    xxxx xxx * 0 1 1 1*
    0 0 0 1 1
    3*
    n/a
    Read PWM Config
    xxxx xxx * 1 0 0 1*
    0 0 1 1 0
    6*
    n/a
    Read User Mem (bank1)
    xxxx xxx * 1 0 1 1*
    0 1 0 0 0
    8*
    n/a
    Read User Mem (bank 2)
    xxxx xxx * 1 1 0 1*
    0 1 0 0 0
    8*
    n/a
    Output Messages (from MCP2502X/5X)
    Standard ID
    Data Bytes
    1
    0
    98 765 43 21 0 R
    T
    R
    I
    D
    E
    DLC
    Read A/D Regs
    x
    *
    0 0 0 00 1 0 0 0 8
    IOINTFL
    GPIO
    AN0H
    AN1H
    AN10L
    AN2H
    AN3H
    AN32L
    Read Control Regs
    x
    *
    0 0 1 00 0 1 1 1 7
    ADCON0
    ADCON1
    OPTREG
    STCON
    IOINTEN
    IOINTPO
    n/a
    Read Config Regs
    x
    *
    0 1 0 00 0 1 0 1 5
    DDR
    GPIO
    CNF1
    CNF2
    CNF3
    n/a
    Read CAN Error
    x
    *
    0 1 1 00 0 0 1 1 3EFLG
    TEC
    REC
    n/a
    Read PWM Config
    x
    *
    1 0 0 00 0 1 1 0 6
    PR1
    PR2
    T1CON
    T2CON
    PWM1DC
    PWM2DC
    n/a
    Read User Mem (bank1)
    x
    *
    1 0 1 00 1 0 0 0 8
    USERID0
    USERID1
    USERID2
    USERID3
    USERID4
    USERID5
    USERID6
    USERID7
    Read User Mem (bank 2)
    x
    *
    1 1 0 00 1 0 0 0 8
    USERID8
    USERID9
    USERID1
    Input Messages** (to MCP2502X/5X)
    Standard ID
    Data Bytes
    1
    0
    98 765 43 21 0 R
    T
    R
    I
    D
    E
    DLC
    Write Register
    x
    x 0 0 0 00 0 0 1 1 3
    addr
    mask
    value
    n/a
    Write TX Message ID 0
    x
    x 0 0 1 00 0 1 0 0 4
    TX0SIDH
    TX0SIDL
    TX0EID8
    TX0EID0
    n/a
    Write TX Message ID 1
    x
    x 0 1 0 00 0 1 0 0 4
    TX1SIDH
    TX1SIDL
    TX1EID8
    TX1EID0
    n/a
    Write TX Message ID 2
    x
    x 0 1 1 00 0 1 0 0 4
    TX2SIDH
    TX2SIDL
    TX2EID8
    TX2EID0
    n/a
    Write I/O Configuration
    x
    x 1 0 0 00 0 1 0 1 5
    IOINTEN
    IOINTPO
    DDR
    OPTREG
    ADCON1
    n/a
    Write RX Mask
    x
    xxx
    xx 1 0 1 00 0 1 0 0 4 RXMSIDH
    RXMSIDL
    RXMEID8
    RXMEID0
    n/a
    Write RX Filter0
    x
    x 1 1 0 00 0 1 0 0 4
    RXF0SID
    RXF0EID
    n/a
    Write RX Filter1
    x
    x 1 1 1 00 0 1 0 0 4
    RXF1SID
    RXF1EID
    n/a
    * If using non-RTR messages for information request messages (IRM), the RTR bit = 0, DLC bit field = 0, and bit 3 of the IRM ID = 1. Also, bit 3 of the output message ID = 0.
    If using RTR messages for IRMs, the RTR bit = 1, DLC bit field = number of bytes in corresponding output message, and bit three of the IRM ID = x (don’t care), also, bit 3 of the
    output message = x (don’t care).
    ** User-defined IRM IDs must be different from input message IDs to avoid message contention between the corresponding output message and the input message.
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