Silabs EFM32ZG 32位MCU应用开发方案

Silabs公司的EFM32ZG是采用32位ARM Cortex-M0+内核的业界最节能的MCU,工作频率高达24MHz,采用低功耗技术,从节能模式叫醒时间短和各种外设,高达32KB闪存和4KB RAM,4通路DMA控制器,主要用在电,水和气表,智能计量,保健设备,告警和安全系统,工业和家庭自动化.本文介绍了EFM32ZG222主要特性和框图, 评估板EFM32ZG-STK3200主要特性和框图,电路图,材料清单和PCB元件布局图.

The EFM32 MCUs are the world’s most energy friendly microcontrollers. With a unique combination of the powerful 32-bit ARM Cortex-M0+, innovative low energy techniques, short wake-up time from energy saving modes, and a wide selection of peripherals, the EFM32ZG microcontroller is well suited for any battery operated application as well as other systems requiring high performance and low-energy consumption. This section gives a short introduction to each of the modules in general terms and also shows a summary of the configuration for the devices.

EFM32ZG222主要特性:

• ARM Cortex-M0+ CPU platform
• High Performance 32-bit processor @ up to 24 MHz
• Wake-up Interrupt Controller
• Flexible Energy Management System
• 20 nA @ 3 V Shutoff Mode
• 0.5 μA @ 3 V Stop Mode, including Power-on Reset, Brown-out Detector, RAM and CPU retention..

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