參數(shù)資料
型號: LPC11U14FBD48/201,
廠商: NXP Semiconductors
文件頁數(shù): 16/72頁
文件大小: 0K
描述: IC MCU 32BIT 32K 48LQFP
產(chǎn)品培訓(xùn)模塊: Code Density for LPC11xx
標(biāo)準(zhǔn)包裝: 250
系列: LPC11Uxx
核心處理器: ARM? Cortex?-M0
芯體尺寸: 32-位
速度: 50MHz
連通性: I²C,Microwire,智能卡,SPI,SSP,UART/USART,USB
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,WDT
輸入/輸出數(shù): 40
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 6K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.6 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 ~ 85°C
封裝/外殼: 48-LQFP
包裝: 托盤
其它名稱: 568-8579
LPC11U1X
All information provided in this document is subject to legal disclaimers.
NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 2.2 — 11 March 2014
23 of 72
NXP Semiconductors
LPC11U1x
32-bit ARM Cortex-M0 microcontroller
7.16 Clocking and power control
7.16.1 Integrated oscillators
The LPC11U1x include three independent oscillators. These are the system oscillator, the
Internal RC oscillator (IRC), and the watchdog oscillator. Each oscillator can be used for
more than one purpose as required in a particular application.
Following reset, the LPC11U1x will operate from the internal RC oscillator until switched
by software. This allows systems to operate without any external crystal and the
bootloader code to operate at a known frequency.
See Figure 6 for an overview of the LPC11U1x clock generation.
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