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| 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 |
| 文件頁數(shù)： | 22/61頁 |
| 文件大小： | 480K |
| 代理商： | LPC1224FBD48 |
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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
22 of 61
NXP Semiconductors
LPC122x
32-bit ARM Cortex-M0 microcontroller
Comparator outputs connect to two timers, allowing for the recording of comparison
event time stamps.
7.15 General purpose external event counter/timers
The LPC122x includes two 32-bit counter/timers and two 16-bit counter/timers. The
counter/timer is designed to count cycles of the system derived clock. It can optionally
generate interrupts or perform other actions at specified timer values, based on four
match registers. Each counter/timer also includes up to four capture inputs to trap the
timer value when an input signal transitions, optionally generating an interrupt.
7.15.1
Features
A 32-bit/16-bit timer/counter with a programmable 32-bit/16-bit prescaler.
Counter or timer operation.
Up to four capture channels per timer, that can take a snapshot of the timer value
when an input signal transitions. A capture event may also generate an interrupt.
Four match registers per timer that allow:
–
Continuous operation with optional interrupt generation on match.
–
Stop timer on match with optional interrupt generation.
–
Reset timer on match with optional interrupt generation.
Up to four external outputs corresponding to match registers, with the following
capabilities:
–
Set LOW on match.
–
Set HIGH on match.
–
Toggle on match.
–
Do nothing on match.
The timer and prescaler may be configured to be cleared on a designated capture
event. This feature permits easy pulse width measurement by clearing the timer on
the leading edge of an input pulse and capturing the timer value on the trailing edge.
Supports timed DMA requests.
7.16 Windowed WatchDog timer (WWDT)
The purpose of the watchdog is to reset the microcontroller within a windowed amount of
time if it enters an erroneous state. When enabled, the watchdog will generate a system
reset if the user program fails to ‘feed’ (or reload) the watchdog within a predetermined
amount of time.
7.16.1
Features
Internally resets chip if not periodically reloaded.
Debug mode.
Incorrect/Incomplete feed sequence causes reset/interrupt if enabled.
Safe operation: can be locked by software to be always on.
Flag to indicate watchdog reset.
Programmable 24-bit timer with internal prescaler.
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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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