• 參數(shù)資料
    型號(hào): uPSD3253AV-40U6T
    廠商: 意法半導(dǎo)體
    英文描述: Two and Three Channel Codewheels
    中文描述: 閃存可編程系統(tǒng)設(shè)備與8032微控制器內(nèi)核
    文件頁數(shù): 17/175頁
    文件大小: 1731K
    代理商: UPSD3253AV-40U6T
    17/175
    UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
    52 PIN PACKAGE I/O PORT
    The 52-pin package members of the uPSD325X
    devices have the same port pins as those of the
    80-pin package except:
    I
    Port 0 (P0.0-P0.7, external address/data bus
    AD0-AD7)
    I
    Port 2 (P2.0-P2.3, external address bus A8-
    A11)
    I
    Port A (PA0-PA7)
    I
    Port D (PD2)
    I
    Bus control signal (RD,WR,PSEN,ALE)
    Pin 5 requires a pull-up resistor (2k
    for 3V de-
    vices, 7.5k
    for 5V devices) for all devices, with
    or without USB function.
    PB0
    80
    I/O
    General I/O port pin
    1. PLD Macro-cell outputs
    2. PLD inputs
    3. Latched Address Out (A0-A7)
    PB1
    78
    I/O
    General I/O port pin
    PB2
    76
    I/O
    General I/O port pin
    PB3
    74
    I/O
    General I/O port pin
    PB4
    73
    I/O
    General I/O port pin
    PB5
    72
    I/O
    General I/O port pin
    PB6
    67
    I/O
    General I/O port pin
    PB7
    66
    I/O
    General I/O port pin
    PC0
    TMS
    20
    I
    JTAG pin
    1. PLD Macro-cell outputs
    2. PLD inputs
    3. SRAM stand by voltage input
    (V
    STBY
    )
    4. SRAM battery-on indicator
    (PC4)
    5. JTAG pins are dedicated pins
    PC1
    TCK
    16
    I
    JTAG pin
    PC2
    V
    STBY
    15
    I/O
    General I/O port pin
    PC3
    TSTAT
    14
    I/O
    General I/O port pin
    PC4
    TERR
    9
    I/O
    General I/O port pin
    PC5
    TDI
    7
    I
    JTAG pin
    PC6
    TDO
    6
    O
    JTAG pin
    PC7
    5
    I/O
    General I/O port pin
    PD1
    CLKIN
    3
    I/O
    General I/O port pin
    1. PLD I/O
    2. Clock input to PLD and APD
    PD2
    CSI
    1
    I/O
    General I/O port pin
    1. PLD I/O
    2. Chip select to PSD Module
    Vcc
    12
    Vcc
    50
    GND
    13
    GND
    29
    GND
    69
    NC
    11
    NC
    17
    NC
    71
    Port Pin
    Signal
    Name
    Pin No.
    In/Out
    Function
    Basic
    Alternate
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