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| 型號： | 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 |
| 文件頁數(shù)： | 9/84頁 |
| 文件大?。?/td> | 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
9 of 84
NXP Semiconductors
LPC2921/2923/2925
ARM9 microcontroller with CAN, LIN, and USB
[1]
Bidirectional pad; analog port; plain input; 3-state output; slew rate control; 5 V tolerant; TTL with hysteresis; programmable
pull-up/pull-down/repeater.
[2]
USB pad.
[3]
Analog pad; analog I/O.
[4]
Analog I/O pad.
6. Functional description
6.1 Architectural overview
The LPC2921/2923/2925 consists of:
An ARM968E-S processor with real-time emulation support
An AMBA multilayer Advanced High-performance Bus (AHB) for interfacing to the
on-chip memory controllers
Two DTL buses (an universal NXP interface) for interfacing to the interrupt controller
and the Power, Clock and Reset control SubSystem (PCRSS).
Three ARM Peripheral Buses (APB - a compatible super set of ARM's AMBA
advanced peripheral bus) for connection to on-chip peripherals clustered in
subsystems.
One ARM Peripheral Bus for event router and system control.
The LPC2921/2923/2925 configures the ARM968E-S processor in little-endian byte order.
All peripherals run at their own clock frequency to optimize the total system power
consumption. The AHB-to-APB bridge used in the subsystems contains a write-ahead
buffer one transaction deep. This implies that when the ARM968E-S issues a buffered
write action to a register located on the APB side of the bridge, it continues even though
the actual write may not yet have taken place. Completion of a second write to the same
subsystem will not be executed until the first write is finished.
6.2 ARM968E-S processor
The ARM968E-S is a general purpose 32-bit RISC processor, which offers high
performance and very low power consumption. The ARM architecture is based on
Reduced Instruction Set Computer (RISC) principles, and the instruction set and related
decode mechanism are much simpler than those of microprogrammed Complex
Instruction Set Computers (CISC). This simplicity results in a high instruction throughput
and impressive real-time interrupt response from a small and cost-effective controller
core.
Amongst the most compelling features of the ARM968E-S are:
Separate directly connected instruction and data Tightly Coupled Memory (TCM)
interfaces.
P0[23]/IN2[7]/
PMAT2[5]/A19
TDI
99
[4]
GPIO0, pin 23
ADC2 IN7
PWM2 MAT5
-
100
[1]
IEEE 1149.1 data in, pulled up internally
Table 3.
Pin name
LQFP100 pin assignment
…continued
Pin
Description
Function 0 (default)
Function 1
Function 2
Function 3
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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 最大時鐘頻率:72 MHz 程序存儲器大小: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 |
| LPC2927 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ARM9 microcontroller with CAN, LIN, and USB |
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