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  • 參數(shù)資料
    型號: PIC16F883-I/SP
    廠商: Microchip Technology
    文件頁數(shù): 5/16頁
    文件大?。?/td> 0K
    描述: IC PIC MCU FLASH 4KX14 28DIP
    產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
    8-bit PIC® Microcontroller Portfolio
    標(biāo)準(zhǔn)包裝: 15
    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): 24
    程序存儲器容量: 7KB(4K x 14)
    程序存儲器類型: 閃存
    EEPROM 大小: 256 x 8
    RAM 容量: 256 x 8
    電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
    數(shù)據(jù)轉(zhuǎn)換器: A/D 11x10b
    振蕩器型: 內(nèi)部
    工作溫度: -40°C ~ 85°C
    封裝/外殼: 28-DIP(0.300",7.62mm)
    包裝: 管件
    產(chǎn)品目錄頁面: 640 (CN2011-ZH PDF)
    配用: MCP1631RD-MCC2-ND - REFERENCE DESIGN MCP1631HV
    DVA18XP280-ND - DEVICE ADAPTER 18F2220 PDIP 28LD
    2009 Microchip Technology Inc.
    DS80302F-page 13
    PIC16F88X
    Data Sheet Clarifications
    The
    following
    typographical
    corrections
    and
    clarifications are to be noted for the latest version of the
    device data sheet (DS41291F):
    1.
    Module: ADC (Block Diagram)
    Figure
    9-1:
    ADC
    Block
    Diagram
    changes
    references from AVSS to VSS and AVDD to VDD.
    2.
    Module: ADC
    Acquisition Time Example calculation correction.
    EQUATION 9-1:
    ACQUISITION TIME EXAMPLE
    Note:
    Corrections are shown in bold. Where
    possible, the original bold text formatting
    has been removed for clarity.
    TACQ
    Amplifier Settling Time
    Hold Capacitor Charging Time
    Temperature Coefficient
    ++
    =
    TAMP
    TC
    TCOFF
    ++
    =
    2s
    TC
    Temperature - 25°C
    () 0.05s/°C
    ()
    []
    ++
    =
    TC
    CHOLD RIC
    RSS
    RS
    ++
    () ln(1/2047)
    =
    10pF 1k
    Ω 7kΩ 10kΩ
    ++
    ()
    ln(0.0004885)
    =
    1.37
    =
    s
    TACQ
    2s
    1.37s
    50°C- 25°C
    () 0.05s/°C
    ()
    []
    ++
    =
    4.67s
    =
    VAPPLIED 1e
    Tc
    RC
    ---------
    VAPPLIED 1
    1
    2
    n1
    +
    () 1
    --------------------------
    =
    VAPPLIED 1
    1
    2
    n1
    +
    () 1
    --------------------------
    VCHOLD
    =
    VAPPLIED 1e
    TC
    RC
    ----------
    VCHOLD
    =
    ;[1] VCHOLD charged to within 1/2 lsb
    ;[2] VCHOLD charge response to VAPPLIED
    ;combining [1] and [2]
    The value for TC can be approximated with the following equations:
    Solving for TC:
    Therefore:
    Temperature
    50°C and external impedance of 10k
    Ω 5.0V VDD
    =
    Assumptions:
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