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| 型號(hào)： | EA-EDU-009 |
| 廠商： | Embedded Artists |
| 文件頁數(shù)： | 8/37頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EDUCATION LPC2103 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | MCU |
| 適用于相關(guān)產(chǎn)品： | LPC2103 |
| 所含物品： | 板 |
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LPC2101_02_03_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 2 June 2009
16 of 37
NXP Semiconductors
LPC2101/02/03
Single-chip 16-bit/32-bit microcontrollers
– Set HIGH on match.
– Toggle on match.
– Do nothing on match.
6.14 General purpose 16-bit timers/external event counters
The Timer/Counter is designed to count cycles of the peripheral clock (PCLK) or an
externally supplied clock and optionally generate interrupts or perform other actions at
specied timer values, based on four match registers. It also includes three capture inputs
to trap the timer value when an input signal transitions, optionally generating an interrupt.
Multiple pins can be selected to perform a single capture or match function, providing an
application with ‘or’ and ‘a(chǎn)nd’, as well as ‘broadcast’ functions among them.
The LPC2101/02/03 can count external events on one of the capture inputs if the
minimum external pulse is equal or longer than a period of the PCLK. In this conguration,
unused capture lines can be selected as regular timer capture inputs or used as external
interrupts.
6.14.1 Features
Two 16-bit timer/counters with a programmable 16-bit prescaler.
External event counter or timer operation.
Three 16-bit capture channels that can take a snapshot of the timer value when an
input signal transitions. A capture event may also optionally generate an interrupt.
Four 16-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.
6.15 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.
6.15.1 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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EA-EDU-010 | 功能描述:開發(fā)板和工具包 - ARM LPC2138 EDUCATION BRD RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V |
| EA-EDU-011 | 功能描述:開發(fā)板和工具包 - ARM EXPERIMENT EXPANSION BRD RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V |
| EA-EL 3160-60 | 制造商:EA ELEKTRO-AUTOMATIK 功能描述:ELECTRONIC LOAD, 160V / 60A, EURO+UK |
| EA-EL 3160-60 | 制造商:EA Electro-Automatik GmbH 功能描述:ELECTRONIC LOAD 160V / 60A |
| EA-EL 3400-25 | 制造商:EA Electro-Automatik GmbH 功能描述:ELECTRONIC LOAD, 400V / 25A, EURO+UK |
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