參數(shù)資料
型號(hào)： LPC2131
廠商： NXP Semiconductors N.V.
英文描述： Single-chip 16/32-bit microcontrollers; 32/64/512 kB ISP/IAP Flash with 10-bit ADC and DAC
中文描述： 16/32位 單片微控制器；有10位數(shù)模/模數(shù)轉(zhuǎn)換，32/64/512kB的ISP/IAP flash閃存
文件頁(yè)數(shù)： 23/41頁(yè)
文件大小： 190K
代理商： LPC2131
9397 750 14868
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Preliminary data sheet
Rev. 02 — 15 April 2005
23 of 41
Philips Semiconductors
LPC2131/2132/2134/2136/2138
Single-chip 16/32-bit microcontrollers
External Event Counter or timer operation.
Four 32-bit capture channels per timer/counter that can take a snapshot of the timer
value when an input signal transitions. A capture event may also optionally generate
an interrupt.
Four 32-bit match registers 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.
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.
6.18 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.
6.18.1
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
PCLK
×
256
×
4) to (T
PCLK
×
2
32
×
4) in multiples of
T
PCLK
×
4.
6.19 Real-time clock
The Real-Time Clock (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).
6.19.1
Features
Measures the passage of time to maintain a calendar and clock.
Ultra-low power design to support battery powered systems.
相關(guān)PDF資料
PDF描述
LPC2132 Single-chip 16/32-bit microcontrollers; 32/64/512 kB ISP/IAP Flash with 10-bit ADC and DAC
LPC2142 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
LPC2141 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
LPC2144 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
LPC2146 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
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LPC2131FBD64/01,11 功能描述:ARM微控制器 - MCU 32K FL/8K RAM 10BIT ADC/DAC 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
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