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參數(shù)資料
| 型號： | LPC2142FBD64 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 數(shù)學處理器 |
| 英文描述： | Single-chip 16-bit-32-bit microcontrollers; up to 512 kB flash with ISP-IAP, USB 2.0 full-speed device, 10-bit ADC and DAC |
| 封裝： | LPC2141FBD64<SOT314-2 (LQFP64)|<<http://www.nxp.com/packages/SOT314-2.html<1<Always Pb-free,;LPC2142FBD64<SOT314-2 (LQFP64)|<<http://www.nxp.com/packages/SOT314-2.html< |
| 文件頁數(shù)： | 20/45頁 |
| 文件大小： | 391K |
| 代理商： | LPC2142FBD64 |
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LPC2141_42_44_46_48
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 12 August 2011
20 of 45
NXP Semiconductors
LPC2141/42/44/46/48
Single-chip 16-bit/32-bit microcontrollers
–
Stop timer on match with optional interrupt generation.
–
Reset timer on match with optional interrupt generation.
Four external outputs per timer/counter corresponding to match registers, with the
following capabilities:
–
Set LOW on match.
–
Set HIGH on match.
–
Toggle on match.
–
Do nothing on match.
6.16 Watchdog timer
The purpose of the watchdog is to reset the microcontroller within a reasonable 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.
6.16.1
Features
Internally resets chip if not periodically reloaded.
Debug mode.
Enabled by software but requires a hardware reset or a watchdog reset/interrupt to be
disabled.
Incorrect/Incomplete feed sequence causes reset/interrupt if enabled.
Flag to indicate watchdog reset.
Programmable 32-bit timer with internal pre-scaler.
Selectable time period from (T
cy(PCLK)
256
4) to (T
cy(PCLK)
2
32
4) in multiples of
T
cy(PCLK)
4.
6.17 Real-time clock
The RTC is designed to provide a set of counters to measure time when normal or idle
operating mode is selected. The RTC has been designed to use little power, making it
suitable for battery powered systems where the CPU is not running continuously (Idle
mode).
6.17.1
Features
Measures the passage of time to maintain a calendar and clock.
Ultra-low power design to support battery powered systems.
Provides Seconds, Minutes, Hours, Day of Month, Month, Year, Day of Week, and
Day of Year.
Can use either the RTC dedicated 32 kHz oscillator input or clock derived from the
external crystal/oscillator input at XTAL1. Programmable reference clock divider
allows fine adjustment of the RTC.
Dedicated power supply pin can be connected to a battery or the main 3.3 V.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LPC2142FBD64,151 | 功能描述:ARM微控制器 - MCU ARM7 64KF/16KR/USB 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 最大時鐘頻率:72 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| LPC2144 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Single-chip 16-bit/32-bit microcontrollers; up to 512 kB flash with ISP/IAP, USB 2.0 full-speed device, 10-bit ADC and DAC |
| LPC2144FBD64 | 制造商:NXP Semiconductors 功能描述:MCU 32BIT ARM7 128K FLASH LQFP64 制造商:NXP Semiconductors 功能描述:MCU 32BIT ARM7 128K FLASH, LQFP64 |
| LPC2144FBD64,151 | 功能描述:ARM微控制器 - MCU ARM7 128KF/16KR/USB 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 最大時鐘頻率:72 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| LPC2144FBD64/S500, | 制造商:NXP Semiconductors 功能描述:PHALPC2144FBD64/S500,151 16-BIT/32-BIT M |
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