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| 型号： | EA-OEM-410 |
| 厂商： | Embedded Artists |
| 文件页数： | 38/57页 |
| 文件大小： | 0K |
| 描述： | KIT LPC3250 259 WITH QVGA |
| 标准包装： | 1 |
| 类型： | MCU |
| 适用于相关产品： | LPC3250 |
| 所含物品： | 基板，线缆，OEM 板，序列号 |
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LPC3220_30_40_50
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 20 October 2011
43 of 79
NXP Semiconductors
LPC3220/30/40/50
16/32-bit ARM microcontrollers
– set LOW on match
– set HIGH on match
– toggle on match
– do nothing on match
7.9.6 High-speed timer
The high-speed timer block is clocked by the main peripheral clock. The clock is first
divided down in a 16-bit programmable pre-scale counter which clocks a 32-bit
timer/counter.
The high-speed timer includes three match registers that are compared to the
timer/counter value. A match can generate an interrupt and cause the timer/counter to
either continue to run, stop, or be reset. The high-speed timer also includes two capture
registers that can take a snapshot of the timer/counter value when an input signal
transitions. A capture event may also generate an interrupt.
7.9.6.1
Features
32-bit timer/counter with programmable 16-bit pre-scaler.
Counter or timer operation.
Two 32-bit capture registers.
Three 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.
Pause control to stop counting when core is in debug state.
7.9.7 Pulse Width Modulators (PWMs)
The LPC3220/30/40/50 provides two simple PWMs. They are clocked separately by either
the main peripheral clock or the 32 kHz RTC clock. Both PWMs have a duty cycle
programmable in 255 steps.
7.9.7.1
Features
Clocked by the main peripheral clock or the 32 kHz RTC clock.
Programmable 4-bit pre-scaler.
Duty cycle programmable in 255 steps.
Output frequency up to 50 kHz when using a 13 MHz peripheral clock.
7.9.8 Motor control pulse width modulator
The Motor Control PWM (MCPWM) provides a set of features for three-phase AC and DC
motor control applications in a single peripheral. The MCPWM can also be configured for
use in other generalized timing, counting, capture, and compare applications.
7.9.8.1
Features
32-bit timer
32-bit period register
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EA-OEM-411 | 功能描述:开发板和工具包 - ARM LPC3250 DEVELOPMENT KIT V2 RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
| EA-OEM-509 | 功能描述:开发板和工具包 - ARM DEVELOPMENT KIT LPC1788-32 RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
| EA-OEM-510 | 功能描述:开发板和工具包 - ARM DEVELOPMENT KIT LPC4088 RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
| EA-OEM-511 | 功能描述:开发板和工具包 - ARM DEVELOPMENT KIT LPC4357 RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
| EAORF2-10M | 制造商:Shure 功能描述:Medium Orange Foam (5 pair). |
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