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    參數(shù)資料
    型號(hào): P89V51RB2FN,112
    廠商: NXP Semiconductors
    文件頁(yè)數(shù): 43/80頁(yè)
    文件大?。?/td> 0K
    描述: IC 80C51 MCU FLASH 16K 40-DIP
    產(chǎn)品培訓(xùn)模塊: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
    標(biāo)準(zhǔn)包裝: 216
    系列: 89V
    核心處理器: 8051
    芯體尺寸: 8-位
    速度: 40MHz
    連通性: SPI,UART/USART
    外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
    輸入/輸出數(shù): 32
    程序存儲(chǔ)器容量: 16KB(16K x 8)
    程序存儲(chǔ)器類型: 閃存
    RAM 容量: 1K x 8
    電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
    振蕩器型: 內(nèi)部
    工作溫度: -40°C ~ 85°C
    封裝/外殼: 40-DIP(0.600",15.24mm)
    包裝: 管件
    產(chǎn)品目錄頁(yè)面: 706 (CN2011-ZH PDF)
    配用: 622-1017-ND - BOARD 44-ZIF PLCC SOCKET
    622-1001-ND - USB IN-CIRCUIT PROG 80C51ISP
    其它名稱: 568-3229-5
    935278707112
    P89V51RB2FN
    P89V51RB2_RC2_RD2_5
    NXP B.V. 2009. All rights reserved.
    Product data sheet
    Rev. 05 — 12 November 2009
    48 of 80
    NXP Semiconductors
    P89V51RB2/RC2/RD2
    8-bit microcontrollers with 80C51 core
    Fig 22. PCA interrupt system
    002aaa533
    PCA TIMER/COUNTER
    MODULE0
    CF
    CR
    -
    CCF4
    CCF3
    CCF2
    CCF1
    CCF0
    MODULE1
    MODULE2
    MODULE3
    MODULE4
    ECF
    ECCFn
    IE.6
    EC
    IE.7
    EA
    CCAPMn.0
    CMOD.0
    CCON
    (D8H)
    to
    interrupt
    priority
    decoder
    Table 35.
    CMOD - PCA counter mode register (address D9H) bit allocation
    Not bit addressable; Reset value: 00H
    Bit
    7
    6
    5
    4
    3
    2
    1
    0
    Symbol
    CIDL
    WDTE
    -
    CPS1
    CPS0
    ECF
    Table 36.
    CMOD - PCA counter mode register (address D9H) bit description
    Bit
    Symbol
    Description
    7
    CIDL
    Counter Idle Control: CIDL = 0 programs the PCA Counter to continue
    functioning during Idle mode. CIDL = 1 programs it to be gated off
    during idle.
    6
    WDTE
    Watchdog Timer Enable: WDTE = 0 disables watchdog timer function
    on module 4. WDTE = 1 enables it.
    5 to 3
    -
    Reserved for future use. Should be set to ‘0’ by user programs.
    2 to 1
    CPS1,
    CPS0
    PCA Count Pulse Select (see Table 37 below).
    0
    ECF
    PCA Enable Counter Overow Interrupt: ECF = 1 enables CF bit in
    CCON to generate an interrupt. ECF = 0 disables that function.
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