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

NXPLPC11U6x 32位ARM Cortex-M0+系列继承了NXP’备受赞誉的LPC11Uxx的易用性和设计灵活性，又增强了多种特性，包括更高能效的ARM® Cortex™-M0+核心、大幅增加的闪存和SRAM、更多串行通信功能、全新的2Msps模数转换器和更多多用途定时器。这些增加的特性使LPC11U6x能应对范围更广的消费、商用和工业市场的应用，如计量和数据采集、有线和无线路由、手持式医疗设备、PC/游戏配件等等。LPC11U6x将闪存加倍至256 KB、SRAM增为三倍的36KB，拓展了存储选择。串行连接能力得到扩展，可满足更高I/O要求，包括5个USART、2个I2C、2个SPI、高达80个GPIO，此外还增加了新的12通道、12位、2-Msps模数转换器，实现更多带宽和更精密的输入。

特性

System
- Cortex-M0+ processor, running at frequencies of up to 50MHz
- Cortex-M0+ built-in nested vectored interrupt controller (NVIC)
- Serial wire debug (SWD) and JTAG boundary scan modes supported
- System tick timer
Memory
- Up to 256KB on-chip flash programming memory with page erase
- Up to 32KB main SRAM
- Up to two additional SRAM blocks of 2KB each (LPC11U6x parts)
- Up to 4KB EEPROM
- In-System programming (ISP) and In-Application programming (IAP)
Digital peripherals
- Simple DMA engine with 16 channels and programmable input triggers (LPC11U6x)
- Up to 80 General purpose I/O (GPIO) pins with configurable pull-up/pull-down resistors
- Pin interrupt and pattern match engine using eight selectable GPIO pins (LPC11U6x)
- Two GPIO interrupt generators (LPC11U6x)
- CRC engine (LPC11U6x)
- Programmable windowed watchdog timer (WDT)
- 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
Analog peripherals
- One 10/12-bit ADC with up to 12 input channels and sample rates of up to 2 Msample/s
- Temperature sensor (LPC11U6x)
Serial interfaces
- USB 2.0 full-speed device controller. XTAL-less low-speed mode supported
- Up to five USART interfaces with RS-485 mode support
- Up to two SSP controllers
- Up to two I2C-bus interfaces

Clock generation
- 12MHz internal RC oscillator trimmed to 1 % accuracy that can optionally be used as a system clock
- Crystal oscillator with an operating range of 1MHz to 25MHz
- Programmable watchdog oscillator
- PLL allows CPU operation up to the maximum CPU rate without the need for a high-frequency crystal
- A second, dedicated PLL is provided for USB
- Clock output function with divider that can reflect the crystal oscillator clock, the main clock, the IRC, or the Watchdog oscillator
Power control
- Integrated PMU (Power Management Unit) to minimize power consumption
- Power profiles residing in boot ROM provide optimized performance and minimized power consumption for any given application through one simple function call
- Four reduced power modes: Sleep, Deep-sleep, Power-down and Deep power-down modes
- Processor wake-up from Deep-sleep and Power-down modes on external pin inputs
- Power-On Reset (POR)
- Brownout detect
Additional features
- Unique device serial number for identification
- Single power supply (1.8V to 3.6V - LPC11U1x, LPC11U2x and LPC11U3x) (2.4V to 3.6V - LPC11U6x)
- Available as LQFP48, LQFP64, LQFP100, TFBGA48 and HVQFN33 packages
- Real-time clock (RTC) in the always-on power domain with separate battery supply pin and 32kHz oscillator (LPC11U6x)