參數(shù)資料
型號(hào)： LPC1224FBD48
廠商： NXP Semiconductors N.V.
元件分類： 數(shù)學(xué)處理器
英文描述： Cortex-M0 with up to 48 kB flash, 4 kB SRAM, RTC, comparator, 10-bit ADC, CRC, DMA and more
中文描述： Cortex-MO，最大48kB 閃存，4kB靜態(tài)隨機(jī)存儲(chǔ)器，時(shí)鐘芯片，比較器，10位ADC,CRC檢測(cè)，內(nèi)存直接存取
封裝： LPC1224FBD48/101<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html<1<Always Pb-free,;LPC1224FBD48/221<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2
文件頁(yè)數(shù)： 23/61頁(yè)
文件大?。?/td> 480K
代理商： LPC1224FBD48
LPC122X
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 26 August 2011
23 of 61
NXP Semiconductors
LPC122x
32-bit ARM Cortex-M0 microcontroller
Selectable time period from (T
cy(WDCLK)
256
4) to (T
cy(WDCLK)
2
24
4) in
multiples of T
cy(WDCLK)
4.
The Watchdog Clock (WDCLK) source can be selected from the Internal RC oscillator
(IRC) or the Watchdog oscillator. This gives a wide range of potential timing choices of
Watchdog operation under different power reduction conditions. It also provides the
ability to run the WDT from an entirely internal source that is not dependent on an
external crystal and its associated components and wiring for increased reliability.
7.17 Real-time clock (RTC)
The RTC provides a basic alarm function or can be used as a long time base counter. The
RTC generates an interrupt after counting for a programmed number of cycles of the RTC
clock input.
7.17.1
Features
Uses dedicated 32 kHz ultra low-power oscillator.
Selectable clock inputs: RTC oscillator (1 Hz, delayed 1 Hz, or 1 kHz clock) or main
clock with programmable clock divider.
32-bit counter.
Programmable 32-bit match/compare register.
Software maskable interrupt when counter and compare registers are identical.
Generates wake-up from Deep-sleep and Deep power-down modes.
7.18 Clocking and power control
7.18.1
Crystal oscillators
The LPC122x include four independent oscillators. These are the system oscillator, the
Internal RC oscillator (IRC), the RTC 32 kHz oscillator (for the RTC only), and the
Watchdog oscillator. Except for the RTC oscillator, each oscillator can be used for more
than one purpose as required in a particular application.
Following reset, the LPC122x 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 5
for an overview of the LPC122x clock generation.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LPC1224FBD48/101 制造商:NXP Semiconductors 功能描述:MCU 32K FLASH CORTEX-M0 48LQFP 制造商:NXP Semiconductors 功能描述:MCU, 32K FLASH, CORTEX-M0, 48LQFP 制造商:NXP Semiconductors 功能描述:MCU, 32K FLASH, CORTEX-M0, 48LQFP; Controller Family/Series:LPC1200; Core Size:32bit; No. of I/O's:39; Supply Voltage Min:3V; Supply Voltage Max:3.6V; Digital IC Case Style:LQFP; No. of Pins:48; Program Memory Size:32KB; RAM Memory ;RoHS Compliant: Yes
LPC1224FBD48/101,1 功能描述:ARM微控制器 - MCU CORTEX M0 32K FL 4K DMA CRC ADC COMPARTR RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
LPC1224FBD48/101,151 制造商:NXP Semiconductors 功能描述:Bulk
LPC1224FBD48/1011 制造商:NXP Semiconductors 功能描述:LPC1224FBD48/LQFP48/TRAYB//101
LPC1224FBD48/121 制造商:NXP Semiconductors 功能描述:MCU 48K FLASH CORTEX-M0 48LQFP 制造商:NXP Semiconductors 功能描述:MCU, 48K FLASH, CORTEX-M0, 48LQFP 制造商:NXP Semiconductors 功能描述:MCU, 48K FLASH, CORTEX-M0, 48LQFP; Controller Family/Series:LPC1200; Core Size:32bit; No. of I/O's:39; Supply Voltage Min:3V; Supply Voltage Max:3.6V; Digital IC Case Style:LQFP; No. of Pins:48; Program Memory Size:48KB; RAM Memory ;RoHS Compliant: Yes
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