NXP Semiconductors LPC11U6x 32位 ARM Cortex-M0+ 微控制器

NXPLPC11U6x 32 位 ARM Cortex-M0+ 微控制器在工程师选择适合于很多行业、照明及工业自动化应用常见的严苛工作条件的入门级微控制器时，为他们提供了更广泛的选择。LPC11E6x 有三种存储器和封装型号，并具有优异的电源效率，这要得益于 ARM®Cortex-M0+™ 核心以及允许根据应用需求选择不同的功率分布模式，以达到各种程度的节能目的。内存选项包括高达 256kB 闪存、36kB RAM 和 4kB EEPROM。高精密模拟特性包括同类最佳的 2Msps、12 通道、12 位模数转换器，同时通过 I²C 和 SPI 接口、USART 及高达 80 个 GPIO 提供了充足的连接。LPC11E6x 充分利用一个片上 SCTimer/PWM 来提供高级定时特性。这一独特模块能像大部分传统定时器那样工作，并且包含状态机，以便为程序设计人员提供更高程度的定时控制功能。可以将其配置为多 PWM、带停歇时间控制的单 PWM、带重置能力的 PWM，且具备传统定时器不能复制的很多其他功能。SCTimer/PWM Cookbook 还挑选了一些示例和使用说明，帮助程序设计人员快速实现 LPC11E6x 应用的定时功能。

特性

System
- ARM Cortex-M0+ processor (version r0p1), running at frequencies of up to 50MHz with single-cycle multiplier and fast single-cycle I/O port
- ARM Cortex-M0+ built-in Nested Vectored Interrupt Controller (NVIC)
- AHB Multilayer matrix
- System tick timer
- Serial Wire Debug (SWD) and JTAG boundary scan modes supported
- Micro Trace Buffer (MTB) supported
Memory
- Up to 128kB on-chip flash programming memory with page erase
- Up to 20kB main SRAM
- Up to two additional SRAM blocks of 2kB each
- Up to 4kB EEPROM
ROM API support
- Boot loader
- USART drivers
- I²C drivers
- DMA drivers
- Power profiles
- Flash In-Application Programming (IAP) and In-System Programming (ISP)
- 32-bit integer division routines
Digital peripherals
- Simple DMA engine with 16 channels and programmable input triggers
- High-speed GPIO interface connected to the ARM Cortex-M0+ IO bus with up to 36 General-Purpose I/O (GPIO) pins with configurable pull-up/pull-down resistors, programmable open-drain mode, input inverter, and programmable glitch filter and digital filter
- Pin interrupt and pattern match engine using eight selectable GPIO pins
- Two GPIO group interrupt generators
- CRC engine
Configurable PWM/timer subsystem (two 16-bit and two 32-bit standard counter/timers, two State-Configurable Timers (SCTimer/PWM)) that provides
- Up to four 32-bit and two 16-bit counter/timers or two 32-bit and six 16-bit counter/timers
- Up to 21 match outputs and 16 capture inputs
- Up to 19 PWM outputs with 6 independent time bases

Windowed Watchdog Timer (WWDT)
Real-time Clock (RTC) in the always-on power domain with separate battery supply pin and 32kHz oscillator
Analog peripherals
- One 12-bit ADC with up to 8 input channels with multiple internal and external trigger inputs and with sample rates of up to 2M samples/s, and the ADC supports two independent conversion sequences
- Temperature sensor
Serial interfaces
- Up to four USART interfaces, all with DMA, synchronous mode, and RS-485 mode support
- Four USARTs use a shared fractional baud generator
- Two SSP controllers with DMA support
- Two I²C-bus interfaces with one I2C-bus interface with specialized open-drain pins that supports I²C Fast-mode plus
Clock generation
- 12MHz internal RC oscillator trimmed to 1% accuracy for -25°C ≤ Tamb ≤ +85°C that can optionally be used as a system clock
- On-chip 32kHz oscillator for RTC
- Crystal oscillator with an operating range of 1MHz to 25MHz and oscillator pins are shared with the GPIO pins
- Programmable watchdog oscillator with a frequency range of 9.4kHz to 2.3MHz
- PLL allows CPU operation up to the maximum CPU rate without the need for a high-frequency crystal
- Clock output function with divider that can reflect the crystal oscillator, the main clock, the IRC, or the watchdog oscillator
Power control
- Integrated PMU (Power Management Unit) to minimize power consumption
- Reduced power modes: Sleep mode, Deep-sleep mode, Power-down mode, and Deep power-down mode
- Wake-up from Deep-sleep and Power-down modes on external pin inputs and USART activity
- Power-On Reset (POR)
- Brownout detect
Unique device serial number for identification
Single power supply (2.4V to 3.6V)
Separate V_BAT supply for RTC
Operating temperature range -40°C to 105°C
LQFP48, LQFP64, and LQFP100 package options