Features
• Ultra−Low−Power System−on−Chip (SoC) with Integrated Arm®
Cortex®−M0+ and Narrow−Band Sub−GHz RF Transceiver
• Narrow−Band Sub−GHz RF Transceiver
♦ Programmable Carrier from 27 to 1050 MHz
♦ Data Rates from 100 bps to 125 kbps
♦ FSK/MSK/4−FSK/GFSK/GMSK/ASK/AFSK/PSK
♦ Wake on Radio (WOR) for Minimal Average Receiver Current
Consumption
♦ Compatible with AX50xx Series Transceivers and SoCs
• Advanced Ultra−Low−Power Modes Optimized for Extremely Long
Battery Life
♦ Hibernate Mode with Wake−up Timer Running at as Low as
600 nA
♦ Shutdown Mode with GPIO Wakeup Only 230 nA
• Up to 40 MHz Arm 32−bit Cortex−M0+
♦ AXM0F343−64
64 kB of Embedded FLASH Memory and 8 kB of Internal RAM
Memory
♦ AXM0F343−256
256 kB Embedded FLASH Memory and 32 kB Internal RAM
Memory
♦ Flexible Internal and External Clocking Options
♦ 3 Channel Arm PL230 DMA Controller
♦ High Security: AES, CRC, and True Random Number Generator
Hardware Accelerators and Debug Port Lock
♦ 2 USART, SPI Controller, and I2C Communication Interfaces
♦ System Tick Timer, Three 16−bit General Purpose Timers, 32−bit
Tick Timer, 32−bit Wakeup Timer, and 32−bit Watchdog Timer
♦ Sigma−delta Modulator
♦ Four Capture/Compare/PWM
♦ 19 Programmable GPIO
♦ 12−bit 1M Sample/s ADC, up to 6 Channels
♦ Two Comparators
♦ Flexible Pin Mapping with Crossbar
♦ Internal 40 MHz High Speed RC Oscillator, with Software
Calibration Option Against a Reference Clock for Flexible System
Clocking
♦ Optional Low Frequency Crystal Oscillator for Accurate Low
Power Time Keeping
♦ Brown−out and Power−on−Reset Detection
♦ Internal Temperature and Voltage Sensor
• This is a Pb−Free Device

Applications
27−1050 MHz Licensed and Unlicensed
Radio Systems
• Battery Operated
• Internet of Things (IoT)
• Smart Retail Including Electronic Shelf
Labels (ESL)
• Automatic Meter Reading (AMR)
• Security and Tracking Applications
• Agriculture
• Building Automation
• Wireless Networks
• Energy Harvesting Smart Sensors