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參數(shù)資料
| 型號(hào)： | LPC2919 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類(lèi)： | 32位微控制器 |
| 英文描述： | ARM9 microcontroller with CAN and LIN |
| 中文描述： | 具有CAN和LIN的ARM9微控制器 |
| 文件頁(yè)數(shù)： | 37/68頁(yè) |
| 文件大小： | 384K |
| 代理商： | LPC2919 |
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LPC2917_19_1
NXP B.V. 2007. All rights reserved.
Preliminary data sheet
Rev. 1.01 — 15 November 2007
37 of 68
NXP Semiconductors
LPC2917/19
ARM9 microcontroller with CAN and LIN
8.7.5.4
ADC clock description
The ADC modules are clocked from two different sources; CLK_MSCSS_ADCx_VPB and
CLK_ADCx (x = 1 or 2), see
Section 7.2.2
. Note that each ADC has its own CLK_ADCx
and CLK_MSCSS_ADCx_VPB branch clocks for power management. If an ADC is
unused both its CLK_MSCSS_ADCx_VPB and CLK_ADCx can be switched off.
The frequency of all the CLK_MSCSS_ADCx_VPB clocks is identical to
CLK_MSCSS_VPB since they are derived from the same base clock
BASE_MSCSS_CLK. Likewise the frequency of all the CLK_ADCx clocks is identical
since they are derived from the same base clock BASE_ADC_CLK.
The register interface towards the system bus is clocked by CLK_MSCSS_ADCx_VPB.
Control logic for the analog section of the ADC is clocked by CLK_ADCx, see also
Figure 9
.
8.7.6
PWM
8.7.6.1
Overview
The MSCSS in the LPC2917/19 includes four PWM modules with the following features.
Six pulse-width modulated output signals
Double edge features (rising and falling edges programmed individually)
Optional interrupt generation on match (each edge)
Different operation modes: continuous or run-once
16-bit PWM counter and 16-bit prescale counter allow a large range of PWM periods
A protective mode (TRAP) holding the output in a software-controllable state and with
optional interrupt generation on a trap event
Three capture registers and capture trigger pins with optional interrupt generation on
a capture event
Interrupt generation on match event, capture event, PWM counter overflow or trap
event
A burst mode mixing the external carrier signal with internally generated PWM
Programmable sync-delay output to trigger other PWM modules (master/slave
behavior)
8.7.6.2
Description
The ability to provide flexible waveforms allows PWM blocks to be used in multiple
applications; e.g. automotive dimmer/lamp control and fan control. Pulse-width
modulation is the preferred method for regulating power since no additional heat is
generated and it is energy-efficient when compared with linear-regulating voltage control
networks.
The PWM delivers the waveforms/pulses of the desired duty cycles and cycle periods. A
very basic application of these pulses can be in controlling the amount of power
transferred to a load. Since the duty cycle of the pulses can be controlled, the desired
amount of power can be transferred for a controlled duration. Two examples of such
applications are:
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LPC2919/01 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:ARM9 microcontroller with CAN and LIN |
| LPC2919FBD144 | 制造商:NXP Semiconductors 功能描述:IC MCU 32BIT ARM968 SMD LQFP144 |
| LPC2919FBD144,551 | 功能描述:ARM微控制器 - MCU ARM968 768K FL/48K RAM LIN 2.0 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 |
| LPC2919FBD144/01 | 制造商:NXP Semiconductors 功能描述:MCU, 32BIT, ARM968E-S, 125MHZ, LQFP-144 制造商:NXP Semiconductors 功能描述:MCU, 32BIT, ARM968E-S, 125MHZ, LQFP-144, Controller Family/Series:LPC2900, Core Size:32bit, No. of I/O's:108, Supply Voltage Min:1.71V, Supply Voltage Max:1.89V, Digital IC Case Style:LQFP, No. of Pins:144, Program Memory Size:768KB, |
| LPC2919FBD144/01/ | 制造商:NXP Semiconductors 功能描述:MCU ARM9 144LQFP |
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