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    參數(shù)資料
    型號: PIC16F77-I/L
    廠商: Microchip Technology
    文件頁數(shù): 45/104頁
    文件大?。?/td> 0K
    描述: IC MCU FLASH 8KX14 A/D 44PLCC
    產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
    8-bit PIC® Microcontroller Portfolio
    標(biāo)準(zhǔn)包裝: 27
    系列: PIC® 16F
    核心處理器: PIC
    芯體尺寸: 8-位
    速度: 20MHz
    連通性: I²C,SPI,UART/USART
    外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
    輸入/輸出數(shù): 33
    程序存儲器容量: 14KB(8K x 14)
    程序存儲器類型: 閃存
    RAM 容量: 368 x 8
    電壓 - 電源 (Vcc/Vdd): 4 V ~ 5.5 V
    數(shù)據(jù)轉(zhuǎn)換器: A/D 8x8b
    振蕩器型: 外部
    工作溫度: -40°C ~ 85°C
    封裝/外殼: 44-LCC(J 形引線)
    包裝: 管件
    產(chǎn)品目錄頁面: 641 (CN2011-ZH PDF)
    配用: AC164309-ND - MODULE SKT FOR PM3 44PLCC
    444-1001-ND - DEMO BOARD FOR PICMICRO MCU
    2002 Microchip Technology Inc.
    DS30325B-page 35
    PIC16F7X
    4.3
    PORTC and the TRISC Register
    PORTC is an 8-bit wide, bi-directional port. The corre-
    sponding data direction register is TRISC. Setting a
    TRISC bit (= ‘1’) will make the corresponding PORTC
    pin an input (i.e., put the corresponding output driver in
    a Hi-Impedance mode). Clearing a TRISC bit (= ‘0’) will
    make the corresponding PORTC pin an output (i.e., put
    the contents of the output latch on the selected pin).
    PORTC is multiplexed with several peripheral functions
    (Table 4-5). PORTC pins have Schmitt Trigger input
    buffers.
    When enabling peripheral functions, care should be
    taken in defining TRIS bits for each PORTC pin. Some
    peripherals override the TRIS bit to make a pin an
    output, while other peripherals override the TRIS bit to
    make a pin an input. Since the TRIS bit override is
    in
    effect
    while
    the
    peripheral
    is
    enabled,
    read-modify-write instructions (BSF,
    BCF,
    XORWF
    )
    with TRISC as destination should be avoided. The user
    should refer to the corresponding peripheral section for
    the correct TRIS bit settings, and to Section 13.1 for
    additional information on read-modify-write operations.
    FIGURE 4-5:
    PORTC BLOCK DIAGRAM
    (PERIPHERAL OUTPUT
    OVERRIDE)
    TABLE 4-5:
    PORTC FUNCTIONS
    TABLE 4-6:
    SUMMARY OF REGISTERS ASSOCIATED WITH PORTC
    Port/Peripheral Select(2)
    Data Bus
    WR Port
    WR TRIS
    RD Port
    Data Latch
    TRIS Latch
    RD TRIS
    Schmitt
    Trigger
    Q
    D
    Q
    CK
    QD
    EN
    Peripheral Data Out
    0
    1
    Q
    D
    Q
    CK
    P
    N
    VDD
    VSS
    Peripheral
    OE(3)
    Peripheral Input
    Note 1: I/O pins have diode protection to VDD and VSS.
    2: Port/Peripheral select signal selects between port data
    and peripheral output.
    3: Peripheral OE (output enable) is only activated if
    peripheral select is active.
    I/O
    pin(1)
    Name
    Bit#
    Buffer Type
    Function
    RC0/T1OSO/T1CKI
    bit0
    ST
    Input/output port pin or Timer1 oscillator output/Timer1 clock input.
    RC1/T1OSI/CCP2
    bit1
    ST
    Input/output port pin or Timer1 oscillator input or Capture2
    input/Compare2 output/PWM2 output.
    RC2/CCP1
    bit2
    ST
    Input/output port pin or Capture1 input/Compare1 output/PWM1 output.
    RC3/SCK/SCL
    bit3
    ST
    RC3 can also be the synchronous serial clock for both SPI and I2C
    modes.
    RC4/SDI/SDA
    bit4
    ST
    RC4 can also be the SPI Data In (SPI mode) or Data I/O (I2C mode).
    RC5/SDO
    bit5
    ST
    Input/output port pin or Synchronous Serial Port data output.
    RC6/TX/CK
    bit6
    ST
    Input/output port pin or USART Asynchronous Transmit or
    Synchronous Clock.
    RC7/RX/DT
    bit7
    ST
    Input/output port pin or USART Asynchronous Receive or
    Synchronous Data.
    Legend: ST = Schmitt Trigger input
    Address
    Name
    Bit 7
    Bit 6
    Bit 5
    Bit 4
    Bit 3
    Bit 2
    Bit 1
    Bit 0
    Value on:
    POR,
    BOR
    Value on
    all other
    RESETS
    07h
    PORTC
    RC7
    RC6
    RC5
    RC4
    RC3
    RC2
    RC1
    RC0
    xxxx xxxx uuuu uuuu
    87h
    TRISC
    PORTC Data Direction Register
    1111 1111 1111 1111
    Legend: x = unknown, u = unchanged
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