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    參數(shù)資料
    型號: PIC16LC62B-04I/SO
    廠商: Microchip Technology
    文件頁數(shù): 41/120頁
    文件大?。?/td> 0K
    描述: IC MCU OTP 2KX14 PWM 28SOIC
    產(chǎn)品培訓模塊: Asynchronous Stimulus
    標準包裝: 27
    系列: PIC® 16C
    核心處理器: PIC
    芯體尺寸: 8-位
    速度: 4MHz
    連通性: I²C,SPI
    外圍設(shè)備: 欠壓檢測/復位,POR,PWM,WDT
    輸入/輸出數(shù): 22
    程序存儲器容量: 3.5KB(2K x 14)
    程序存儲器類型: OTP
    RAM 容量: 128 x 8
    電壓 - 電源 (Vcc/Vdd): 2.5 V ~ 5.5 V
    振蕩器型: 外部
    工作溫度: -40°C ~ 85°C
    封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
    包裝: 管件
    PIC16C62B/72A
    1999 Microchip Technology Inc.
    Preliminary
    DS35008B-page 27
    5.0
    TIMER1 MODULE
    The Timer1 module timer/counter has the following fea-
    tures:
    16-bit timer/counter
    Readable and writable
    Internal or external clock select
    Interrupt on overflow from FFFFh to 0000h
    Reset from CCP module trigger
    Timer1 has a control register, shown in Register 5-1.
    Timer1 can be enabled/disabled by setting/clearing
    control bit TMR1ON (T1CON<0>).
    Figure 5-1 is a simplified block diagram of the Timer1
    module.
    Additional information on timer modules is available in
    the
    PICmicro
    Mid-Range
    Reference
    Manual,
    (DS33023).
    5.1
    Timer1 Operation
    Timer1 can operate in one of these modes:
    As a timer
    As a synchronous counter
    As an asynchronous counter
    The operating mode is determined by the clock select
    bit, TMR1CS (T1CON<1>).
    In timer mode, Timer1 increments every instruction
    cycle.
    In counter mode, it increments on every rising
    edge of the external clock input.
    When the Timer1 oscillator is enabled (T1OSCEN is
    set), the RC1/T1OSI and RC0/T1OSO/T1CKI pins
    become inputs. That is, the TRISC<1:0> value is
    ignored.
    Timer1 also has an internal “reset input”. This reset can
    be generated by the CCP module as a special event
    REGISTER 5-1:T1CON: TIMER1 CONTROL REGISTER (ADDRESS 10h)
    U-0
    R/W-0
    T1CKPS1 T1CKPS0 T1OSCEN
    T1SYNC
    TMR1CS TMR1ON
    R
    = Readable bit
    W = Writable bit
    U
    = Unimplemented bit,
    read as ‘0’
    - n = Value at POR reset
    bit7
    bit0
    bit 7-6:
    Unimplemented: Read as ’0’
    bit 5-4: T1CKPS1:T1CKPS0: Timer1 Input Clock Prescale Select bits
    11
    = 1:8 Prescale value
    10
    = 1:4 Prescale value
    01
    = 1:2 Prescale value
    00
    = 1:1 Prescale value
    bit 3:
    T1OSCEN: Timer1 Oscillator Enable Control bit
    1
    = Oscillator is enabled (TRISC<1:0> ignored)
    0
    = Oscillator is shut off
    (The oscillator is turned off to reduce power drain
    bit 2:
    T1SYNC: Timer1 External Clock Input Synchronization Control bit
    TMR1CS = 1
    1
    = Do not synchronize external clock input
    0
    = Synchronize external clock input
    TMR1CS = 0
    This bit is ignored. Timer1 uses the internal clock when TMR1CS = 0.
    bit 1:
    TMR1CS: Timer1 Clock Source Select bit
    1
    = External clock from pin RC0/T1OSO/T1CKI (on the rising edge)
    0
    = Internal clock (FOSC/4)
    bit 0:
    TMR1ON: Timer1 On bit
    1
    = Enables Timer1
    0
    = Stops Timer1
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