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    參數(shù)資料
    

    


    


    
型號(hào)：
PIC18LF26J53-I/SO

    

    
廠商：
Microchip Technology

    

    
文件頁(yè)數(shù)：
36/71頁(yè)

    

    
文件大小：
0K

    

    
描述：
IC PIC MCU 64KB FLASH 28SOIC

    

    
產(chǎn)品培訓(xùn)模塊：
8-bit PIC® Microcontroller Portfolio
    		

    

    
標(biāo)準(zhǔn)包裝：
27

    

    
系列：
PIC® XLP™ 18F

    

    
核心處理器：
PIC
    		

    

    
芯體尺寸：
8-位
    		

    

    
速度：
48MHz
    		

    

    
連通性：
I²C，LIN，SPI，UART/USART，USB
    		

    

    
外圍設(shè)備：
欠壓檢測(cè)/復(fù)位，POR，PWM，WDT
    		

    

    
輸入/輸出數(shù)：
22
    		

    

    
程序存儲(chǔ)器容量：
64KB（32K x 16）
    		

    

    
程序存儲(chǔ)器類型：
閃存
    		

    

    
RAM 容量：
3.8K x 8
    		

    

    
電壓 - 電源 (Vcc/Vdd)：
2 V ~ 2.75 V
    		

    

    
數(shù)據(jù)轉(zhuǎn)換器：
A/D 10x10b/12b
    		

    

    
振蕩器型：
內(nèi)部
    		

    

    
工作溫度：
-40°C ~ 85°C
    		

    

    
封裝/外殼：
28-SOIC（0.295"，7.50mm 寬）
    		

    

    
包裝：
管件
    		

    

    

    

	
    
    
    

    
    
	
     2010-2012 Microchip Technology Inc.
    DS41412E-page 41
    PIC18(L)F2X/4XK22
    TABLE 2-3:
    OSC1 AND OSC2 PIN STATES IN SLEEP MODE
    2.11
    Clock Switching
    The system clock source can be switched between
    external and internal clock sources via software using
    the System Clock Select (SCS<1:0>) bits of the
    OSCCON register.
    PIC18(L)F2X/4XK22 devices contain circuitry to pre-
    vent clock “glitches” when switching between clock
    sources. A short pause in the device clock occurs dur-
    ing the clock switch. The length of this pause is the sum
    of two cycles of the old clock source and three to four
    cycles of the new clock source. This formula assumes
    that the new clock source is stable.
    Clock transitions are discussed in greater detail in
    2.11.1
    SYSTEM CLOCK SELECT
    (SCS<1:0>) BITS
    The System Clock Select (SCS<1:0>) bits of the
    OSCCON register select the system clock source that
    is used for the CPU and peripherals.
     When SCS<1:0> = 00, the system clock source is
    determined by configuration of the FOSC<3:0>
    bits in the CONFIG1H Configuration register.
     When SCS<1:0> = 10, the system clock source is
    chosen by the internal oscillator frequency
    selected by the INTSRC bit of the OSCTUNE
    register, the MFIOSEL bit of the OSCCON2
    register and the IRCF<2:0> bits of the OSCCON
    register.
     When SCS<1:0> = 01, the system clock source is
    the 32.768 kHz secondary oscillator shared with
    Timer1, Timer3 and Timer5.
    After a Reset, the SCS<1:0> bits of the OSCCON
    register are always cleared.
    2.11.2
    OSCILLATOR START-UP TIME-OUT
    STATUS (OSTS) BIT
    The Oscillator Start-up Time-out Status (OSTS) bit of
    the OSCCON register indicates whether the system
    clock is running from the external clock source, as
    defined by the FOSC<3:0> bits in the CONFIG1H
    Configuration register, or from the internal clock
    source. In particular, when the primary oscillator is the
    source of the primary clock, OSTS indicates that the
    Oscillator Start-up Timer (OST) has timed out for LP,
    XT or HS modes.
    OSC Mode
    OSC1 Pin
    OSC2 Pin
    RC, INTOSC with CLKOUT Floating, external resistor should pull high
    At logic low (clock/4 output)
    RC with IO
    Floating, external resistor should pull high
    Configured as PORTA, bit 6
    INTOSC with IO
    Configured as PORTA, bit 7
    Configured as PORTA, bit 6
    EC with IO
    Floating, pulled by external clock
    Configured as PORTA, bit 6
    EC with CLKOUT
    Floating, pulled by external clock
    At logic low (clock/4 output)
    LP, XT, HS
    Feedback inverter disabled at quiescent
    voltage level
    Feedback inverter disabled at quiescent
    voltage level
    Note:
    See Table 4-2 in Section 4.0 “Reset” for time-outs due to Sleep and MCLR Reset.
    Note:
    Any automatic clock switch, which may
    occur from Two-Speed Start-up or Fail-
    Safe Clock Monitor, does not update the
    SCS<1:0> bits of the OSCCON register.
    The user can monitor the SOSCRUN,
    MFIOFS
    and
    LFIOFS
    bits
    of
    the
    OSCCON2 register, and the HFIOFS and
    OSTS bits of the OSCCON register to
    determine the current system clock source.
    
    
    
    
    
    


    


    

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    相關(guān)代理商/技術(shù)參數(shù)
    		

    參數(shù)描述
    		

    
    

    
PIC18LF26J53T-I/ML
功能描述:8位微控制器 -MCU USB 64KB Flash 4KB RAM 12 MIPS 12b ADC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT

    

    
PIC18LF26J53T-I/SO
功能描述:8位微控制器 -MCU USB 64KB Flash 4KB RAM 12 MIPS 12b ADC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT

    

    
PIC18LF26J53T-I/SS
功能描述:8位微控制器 -MCU USB 64KB Flash 4KB RAM 12 MIPS 12b ADC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT

    

    
PIC18LF26K22-E/ML
功能描述:8位微控制器 -MCU 64KB Flash 3968b RAM 8b FamilynanoWat XLP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT

    

    
PIC18LF26K22-E/SO
功能描述:8位微控制器 -MCU 64KB Flash 3968b RAM 8b FamilynanoWat XLP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT

    

    
    
    
    
	
    	
    
    
     
     
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