參數(shù)資料
型號: PIC16F1825-E/P
廠商: Microchip Technology
文件頁數(shù): 191/208頁
文件大?。?/td> 0K
描述: MCU PIC 14K FLASH 1K RAM 14DIP
產(chǎn)品培訓(xùn)模塊: 8-bit PIC® Microcontroller Portfolio
特色產(chǎn)品: Extreme Low Power (XLP) Microcontrollers
標(biāo)準(zhǔn)包裝: 30
系列: PIC® XLP™ mTouch™ 16F
核心處理器: PIC
芯體尺寸: 8-位
速度: 32MHz
連通性: I²C,LIN,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 11
程序存儲器容量: 14KB(8K x 14)
程序存儲器類型: 閃存
EEPROM 大小: 256 x 8
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 14-DIP(0.300",7.62mm)
包裝: 管件
2010-2012 Microchip Technology Inc.
DS41440C-page 63
PIC16(L)F1825/1829
5.2.2.7
Internal Oscillator Clock Switch
Timing
When switching between the HFINTOSC, MFINTOSC
and the LFINTOSC, the new oscillator may already be
shut down to save power (see Figure 5-7). If this is the
case, there is a delay after the IRCF<3:0> bits of the
OSCCON register are modified before the frequency
selection takes place. The OSCSTAT register will
reflect the current active status of the HFINTOSC,
MFINTOSC and LFINTOSC oscillators. The sequence
of a frequency selection is as follows:
1.
IRCF<3:0> bits of the OSCCON register are
modified.
2.
If the new clock is shut down, a clock start-up
delay is started.
3.
Clock switch circuitry waits for a falling edge of
the current clock.
4.
The current clock is held low and the clock
switch circuitry waits for a rising edge in the new
clock.
5.
The new clock is now active.
6.
The OSCSTAT register is updated as required.
7.
Clock switch is complete.
See Figure 5-7 for more details.
If the internal oscillator speed is switched between two
clocks of the same source, there is no start-up delay
before the new frequency is selected. Clock switching
time delays are shown in Table 5-1.
Start-up delay specifications are located in the
oscillator
tables
of
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PIC16F1825-I/P 功能描述:8位微控制器 -MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced Mid 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 最大時鐘頻率:50 MHz 程序存儲器大小: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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PIC16F1825-I/ST 功能描述:8位微控制器 -MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced Mid 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 最大時鐘頻率:50 MHz 程序存儲器大小: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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