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| 型號(hào)： | LPC2925FBD100 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | ARM9 microcontroller with CAN, LIN, and USB |
| 中文描述： | 32-BIT, FLASH, 125 MHz, RISC MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT407-1, LQFP-100 |
| 文件頁(yè)數(shù)： | 31/84頁(yè) |
| 文件大小： | 551K |
| 代理商： | LPC2925FBD100 |
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LPC2921_23_25_3
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 03 — 14 April 2010
31 of 84
NXP Semiconductors
LPC2921/2923/2925
ARM9 microcontroller with CAN, LIN, and USB
Programmable clocks allow versatile rate control.
Bidirectional data transfer between masters and slaves.
Multi-master bus (no central master).
Arbitration between simultaneously transmitting masters without corruption of serial
data on the bus.
Serial clock synchronization allows devices with different bit rates to communicate via
one serial bus.
Serial clock synchronization can be used as a handshake mechanism to suspend and
resume serial transfer.
The I
2
C-bus can be used for test and diagnostic purposes.
All I
2
C-bus controllers support multiple address recognition and a bus monitor mode.
6.13.3.1
Pin description
Table 19.
Symbol
I2C SCL0/1
I2C SDA0/1
[1]
Note that the pins are not I
2
C-bus compliant open-drain pins.
6.14 Modulation and Sampling Control SubSystem (MSCSS)
The Modulation and Sampling Control Subsystem (MSCSS) in the LPC2921/2923/2925
includes four Pulse Width Modulators (PWMs), two 10-bit successive approximation
Analog-to-Digital Converters (ADCs) and two timers.
The key features of the MSCSS are:
Two 10-bit, 400 ksample/s, 8-channel ADCs with 3.3 V inputs and various trigger-
start options.
Four 6-channel PWMs (Pulse Width Modulators) with capture and trap functionality.
Two dedicated timers to schedule and synchronize the PWMs and ADCs.
Quadrature encoder interface.
6.14.1
Functional description
The MSCSS contains Pulse Width Modulators (PWMs), Analog-to-Digital Converters
(ADCs) and timers.
Figure 5
provides an overview of the MSCSS. An AHB-to-APB bus bridge takes care of
communication with the AHB system bus. Two internal timers are dedicated to this
subsystem. MSCSS timer 0 can be used to generate start pulses for the ADCs and the
first PWM. The second timer (MSCSS timer 1) is used to generate ‘carrier’ signals for the
PWMs. These carrier patterns can be used, for example, in applications requiring current
control. Several other trigger possibilities are provided for the ADCs (external, cascaded
or following a PWM). The capture inputs of both timers can also be used to capture the
start pulse of the ADCs.
I
2
C-bus pins
[1]
Pin name
SCL0/1
SDA0/1
Direction
I/O
I/O
Description
I
2
C clock input/output
I
2
C data input/output
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| LPC2925FBD100,551 | 功能描述:ARM微控制器 - MCU IC ARM9 MCU FLASH 512KB 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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| LPC2926FBD144,557 | 制造商:NXP Semiconductors 功能描述:LPC2926FBD144/LQFP144/TRAYDPM/ - Trays 制造商:NXP Semiconductors 功能描述:IC MCU ARM9 256KB FLASH 144LQFP |
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