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    參數(shù)資料
    型號： PSD4135G3-C-70B81I
    廠商： 意法半導(dǎo)體
    英文描述： Flash In-System-Programmable Peripherals for 16-Bit MCUs
    中文描述： Flash在系統(tǒng)可編程外設(shè)的16位微控制器
    文件頁數(shù)： 54/93頁
    文件大?。?/td> 503K
    代理商： PSD4135G3-C-70B81I
    Preliminary Information
    PSD4000 Series
    Drive
    Register
    Bit 7
    Bit 6
    Bit 5
    Bit 4
    Bit 3
    Bit 2
    Bit 1
    Bit 0
    Port A
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Port B
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Port C
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Port D
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Port E
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Port F
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Slew
    Rate
    Port G
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Open
    Drain
    Table 22. Drive Register Pin Assignment
    The
    PSD4000
    Functional
    Blocks
    (cont.)
    9.4.3.3 Drive Select Register
    The Drive Select Register configures the pin driver as Open Drain or CMOS for some port
    pins, and controls the slew rate for the other port pins. An external pull-up resistor should
    be used for pins configured as Open Drain.
    A pin can be configured as Open Drain if its corresponding bit in the Drive Select Register
    is set to a
    ‘
    1
    ’
    . The default pin drive is CMOS.
    Aside:
    the slew rate is a measurement of the rise and fall times of an output. A higher
    slew rate means a faster output response and may create more electrical noise. A pin
    operates in a high slew rate when the corresponding bit in the Drive Register is set to
    ‘
    1
    ’
    .
    The default rate is slow slew.
    Table 22 shows the Drive Register for Ports A, B, C, D, E, F and G. It summarizes which
    pins can be configured as Open Drain outputs and which pins the slew rate can be set for.
    51
    9.4.4 Port Data Registers
    The Port Data Registers, shown in Table 23, are used by the microcontroller to write data
    to or read data from the ports. Table 23 shows the register name, the ports having each
    register type, and microcontroller access for each register type. The registers are
    described below.
    9.4.4.1 Data In
    Port pins are connected directly to the Data In buffer. In MCU I/O input mode, the pin input
    is read through the Data In buffer.
    9.4.4.2 Data Out Register
    Stores output data written by the MCU in the MCU I/O output mode. The contents of the
    Register are driven out to the pins if the Direction Register or the output enable
    product term is set to
    “
    1
    ”
    . The contents of the register can also be read back by the
    microcontroller.
    Table 27. Port Data Registers
    Register Name
    Port
    MCU Access
    Data In
    A,B,C,D,E,F,G
    Read
    –
    input on pin
    Data Out
    A,B,C,D,E,F,G
    Write/Read
    相關(guān)PDF資料
    PDF描述
    PSD4135G3-C-70J Flash In-System-Programmable Peripherals for 16-Bit MCUs
    PSD4135G3-C-70JI Flash In-System-Programmable Peripherals for 16-Bit MCUs
    PSD4135G3-C-70M Flash In-System-Programmable Peripherals for 16-Bit MCUs
    PSD4135G3V-15JI Ceramic Commercial-Off-The-Shelf Surface Mount Capacitors (COTS); Capacitance [nom]: 0.022uF; Working Voltage (Vdc)[max]: 100V; Capacitance Tolerance: +/-5%; Dielectric: Multilayer Ceramic; Temperature Coefficient: X7R; Lead Style: Surface Mount Chip; Lead Dimensions: 1206; Termination: Tin (Sn) Plated Nickel Barrier; Body Dimensions: 0.126&quot; x 0.063&quot;; Container: Bulk; Features: MIL-PRF-55681; Unmarked
    PSD4135G3V-15M Flash In-System-Programmable Peripherals for 16-Bit MCUs
    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    PSD4135G3-C-70J 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
    PSD4135G3-C-70JI 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
    PSD4135G3-C-70M 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
    PSD4135G3-C-70MI 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
    PSD4135G3-C-70U 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
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