LPC11E37FBD48/501E

The LPC11E6x is a low-cost 32-bit MCU family based on the ARM Cortex-M0+, operating at CPU frequencies up to 50 MHz and supporting up to 256 KB flash, 4 KB EEPROM, and 36 KB SRAM. The ARM Cortex-M0+ is an easy-to-use, energy-efficient core featuring a two-stage pipeline and fast single-cycle I/O access. LPC11E6x peripherals include a DMA controller, CRC engine, two I2C bus interfaces, up to five USARTs, two SSP interfaces, a PWM/timer subsystem with six configurable general-purpose timers, a real-time clock, one 12-bit ADC, a temperature sensor, configurable I/O ports, and up to 80 general-purpose I/O pins.

Applications

• Three-phase electronic energy meters
• GPS trackers
• Gaming accessories
• Car radios
• Medical monitors
• PC peripherals

Key features

• ARM Cortex-M0+ processor (revision r0p1), up to 50 MHz operating frequency, with single-cycle multiplier and fast single-cycle I/O ports
• ARM Cortex-M0+ integrated NVIC
• AHB multi-layer matrix
• SysTick timer
• SWD and JTAG boundary scan support
• MTB support
• Up to 256 KB on-chip flash program memory with page erase
• Up to 32 KB main SRAM
• Up to two additional 2 KB SRAM blocks
• Up to 4 KB EEPROM
• ROM API supporting bootloader, USART driver, I2C driver, DMA driver, and power profiles
• Flash IAP and ISP support
• 32-bit integer division routines
• Simple DMA engine with 16 channels and programmable input triggers
• High-speed GPIO interface connected to ARM Cortex-M0+ IO bus, up to 80 GPIO pins with configurable pull-up/pull-down resistors, programmable open-drain mode, input inverter, 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 SCTimers/PWM), providing up to four 32-bit and two 16-bit, 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
• WWDT
• RTC in always-on power domain with dedicated battery supply pin and 32 kHz oscillator
• One 12-bit ADC with up to 12 input channels, multiple internal and external trigger inputs, up to 2 Msamples/s sample rate, supporting two independent conversion sequences
• Temperature sensor
• Up to five USART interfaces, all supporting DMA, synchronous mode, and RS-485 mode; four USARTs share a fractional baud rate generator
• Two DMA-capable SSP controllers
• Two I2C bus interfaces; one with dedicated open-drain pins supports I2C Fast-mode Plus
• 12 MHz internal RC oscillator, trimmed to 1% accuracy over -25 ℃ ≤ Tamb ≤ +85 ℃, selectable as system clock
• On-chip 32 kHz RTC oscillator
• Crystal oscillator, operating range 1 MHz to 25 MHz, oscillator pins multiplexed with GPIO pins
• Programmable watchdog oscillator, frequency range 9.4 kHz to 2.3 MHz
• PLL allowing CPU to operate at maximum frequency without a high-frequency crystal
• Clock output function with divider, supporting crystal oscillator, main clock, IRC, or watchdog oscillator output
• Integrated PMU for reduced power consumption
• Multiple low-power modes: Sleep, Deep-sleep, Power-down, Deep power-down
• Wake-up from deep-sleep and power-down modes via external pin input and USART activity
• POR
• Brown-out detection
• Device serial number for identification
• Single supply voltage (2.4 V to 3.6 V)
• Independent VBAT supply for RTC
• Operating temperature range -40 ℃ to 105 ℃
• Available in LQFP48, LQFP64, and LQFP100 packages