EZR32LG Wireless MCUs EZR32LG230 Data Sheet EZR32LG230 Wireless MCU family with ARM Cortex-M3 CPU KEY FEATURES and sub-GHz Radio Silicon Labs first 32-bit Wireless MCUs The EZR32LG Wireless MCUs are the latest in Silicon Labs family of wireless MCUs de- Based on ARM Cortex M3 (LG) and M4 livering a high-performance, low-energy wireless solution integrated into a small form (WG) CPU cores with 256 kB of flash and factor package. By combining a high-performance sub-GHz RF transceiver with an ener- 32 kB RAM gy efficient 32-bit MCU, the EZR32LG family provides designers the ultimate in flexibility Best-in-class RF performance with EZradio with a family of pin-compatible devices that scale with 64/128/256 kB of flash and sup- and EZRadioPro transceivers port Silicon Labs EZRadio or EZRadioPRO transceivers. The ultra-low power operating Ultra-low power wireless MCU modes and fast wake-up times of the Silicon Labs energy friendly 32-bit MCUs, com- Low transmit and receive currents bined with the low transmit and receive power consumption of the sub-GHz radio, result in a solution optimized for battery powered applications. Ultra-low power standby and sleep modes 32-Bit ARM Cortex wireless MCUs applications include the following: Fast wake-up time Alarm and security systems Low energy sensor interface (LESENSE) Energy, gas, water, and smart metering Rich set of peripherals including 12-bit Building and home automation Health and fitness applications ADC and DAC, multiple communication Consumer electronics interfaces (UART, SPI, I2C), multiple GPIO and timers AES accelerator with 128/256-bit keys silabs.com Building a more connected world. Rev. 2.0 EZR32LG230 Data Sheet Feature List 1. Feature List The LG highlighted features are listed below. MCU Features RF Features ARM Cortex-M3 CPU platform Frequency Range Up to 48 MHz 142-1050 MHz 64/128/256 kB Flash with 32 kB RAM Modulation Hardware AES with 128/256-bit keys (G)FSK, 4(G)FSK, (G)MSK, OOK Flexible Energy Management System Receive sensitivity up to -133 dBm 20 nA 3 V Shutoff Mode Up to +20 dBm max output power 0.65 A 3 V Stop Mode Low active power consumption 211 A/MHz 3 V Run Mode 10/13 mA RX Timers/Counters 18 mA TX at +10 dBm 4 Timer/Counter 6 mA 1.2 kbps (Preamble Sense) 43 Compare/Capture/PWM channels Data rate = 100 bps to 1 Mbps Low Energy Timer Excellent selectivity performance Real-Time Counter 69 dB adjacent channel 16/8-bit Pulse Counter 79 dB blocking at 1 MHz Watchdog Timer Antenna diversity and T/R switch control Communication interfaces Highly configurable packet handler 2 USART (UART/SPI) TX and RX 64 byte FIFOs 2 UART Automatic frequency control (AFC) 2 Low Energy UART Automatic gain control (AGC) 2 I2C Interface with SMBus support IEEE 802.15.4g compliant Ultra low power precision analog peripherals System Features 12-bit 1 Msamples/s ADC Power-on Reset and Brown-Out Detector On-chip temperature sensor Debug Interface 12-bit 500 ksamples/s DAC Temperature range -40 to 85 C 2 Analog Comparator Single power supply 1.98 to 3.8 V 2x Operational Amplifier QFN64 package Low Energy Sensor Interface (LESENSE) Up to 41 General Purpose I/O pins silabs.com Building a more connected world. Rev. 2.0 2
