Description:

• Run power consumption down to 47 μA/MHz in very low
power run mode
• Static power consumption down to 2 μA with full state
retention and 4 μs wakeup
• Ultra-efficient Cortex-M0+ processor running up to 48 MHz
with industry leading throughput
• Memory option is up to 128 KB flash and 16 KB RAM
• Energy-saving architecture is optimized for low power with
90 nm TFS technology, clock and power gating techniques,
and zero wait state flash memory controller

Performance

• 48 MHz ARM® Cortex®-M0+ core
Memories and memory interfaces
• Up to 128 KB program flash memory
• Up to 16 KB SRAM
System peripherals
• Nine low-power modes to provide power optimization
based on application requirements
• COP Software watchdog
• 4-channel DMA controller, supporting up to 63 request
sources
• Low-leakage wakeup unit
• SWD debug interface and Micro Trace Buffer
• Bit Manipulation Engine
Clocks
• 32 kHz to 40 kHz or 3 MHz to 32 MHz crystal oscillator
• Multi-purpose clock source
• 1 kHz LPO clock
Operating Characteristics
• Voltage range: 1.71 to 3.6 V

Human-machine interface

• Low-power hardware touch sensor interface (TSI)
• Up to 66 general-purpose input/output (GPIO)

Communication interfaces

• USB full-/low-speed On-the-Go controller with onchip transceiver and 5 V to 3.3 V regulator
• Two 8-bit SPI modules
• One low power UART module
• Two UART modules
• Two I2C module

Analog Modules

• 16-bit SAR ADC
• 12-bit DAC
• Analog comparator (CMP) containing a 6-bit DAC
and programmable reference input

Timers

• Six channel Timer/PWM (TPM)
• Two 2-channel Timer/PWM modules
• Periodic interrupt timers
• 16-bit low-power timer (LPTMR)
• Real time clock