Datasheet 搜索 > NXP（恩智浦） > LPC2146FBD64 数据手册 > LPC2146FBD64 其他数据使用手册 1/45 页
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LPC2146FBD64 其他数据使用手册 - NXP（恩智浦）
制造商:
NXP（恩智浦）
封装:
LQFP-64
描述:
单芯片16位/ 32位微控制器;高达512 KB的闪存， ISP / IAP ， USB 2.0全速设备， 10位ADC和DAC Single-chip 16-bit/32-bit microcontrollers; up to 512 kB flash with ISP/IAP, USB 2.0 full-speed device, 10-bit ADC and DAC
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LPC2146FBD64数据手册
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1. General description
The LPC2141/42/44/46/48 microcontrollers are based on a 16-bit/32-bit ARM7TDMI-S
CPU with real-time emulation and embedded trace support, that combine the
microcontroller with embedded high-speed flash memory ranging from 32 kB to 512 kB. A
128-bit wide memory interface and a unique accelerator architecture enable 32-bit code
execution at the maximum clock rate. For critical code size applications, the alternative
16-bit Thumb mode reduces code by more than 30 % with minimal performance penalty.
Due to their tiny size and low power consumption, LPC2141/42/44/46/48 are ideal for
applications where miniaturization is a key requirement, such as access control and
point-of-sale. Serial communications interfaces ranging from a USB 2.0 Full-speed
device, multiple UARTs, SPI, SSP to I
2
C-bus and on-chip SRAM of 8 kB up to 40 kB,
make these devices very well suited for communication gateways and protocol
converters, soft modems, voice recognition and low end imaging, providing both large
buffer size and high processing power. Various 32-bit timers, single or dual 10-bit ADC(s),
10-bit DAC, PWM channels and 45 fast GPIO lines with up to nine edge or level sensitive
external interrupt pins make these microcontrollers suitable for industrial control and
medical systems.
2. Features and benefits
2.1 Key features
16-bit/32-bit ARM7TDMI-S microcontroller in a tiny LQFP64 package.
8 kB to 40 kB of on-chip static RAM and 32 kB to 512 kB of on-chip flash memory.
128-bit wide interface/accelerator enables high-speed 60 MHz operation.
In-System Programming/In-Application Programming (ISP/IAP) via on-chip boot
loader software. Single flash sector or full chip erase in 400 ms and programming of
256 B in 1 ms.
EmbeddedICE RT and Embedded Trace interfaces offer real-time debugging with the
on-chip RealMonitor software and high-speed tracing of instruction execution.
USB 2.0 Full-speed compliant device controller with 2 kB of endpoint RAM.
In addition, the LPC2146/48 provides 8 kB of on-chip RAM accessible to USB by DMA.
One or two (LPC2141/42 vs. LPC2144/46/48) 10-bit ADCs provide a total of 6/14
analog inputs, with conversion times as low as 2.44 s per channel.
Single 10-bit DAC provides variable analog output (LPC2142/44/46/48 only).
Two 32-bit timers/external event counters (with four capture and four compare
channels each), PWM unit (six outputs) and watchdog.
Low power Real-Time Clock (RTC) with independent power and 32 kHz clock input.
LPC2141/42/44/46/48
Single-chip 16-bit/32-bit microcontrollers; up to 512 kB flash
with ISP/IAP, USB 2.0 full-speed device, 10-bit ADC and DAC
Rev. 5 — 12 August 2011 Product data sheet
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