ADuCM4050超低功耗集成了带功率管理的微控制器.doc
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1、ADuCM4050超低功耗集成了带功率管理的微控制器ADI公司的ADuCM4050是超低功耗集成了带功率管理的基于ARM Cortex-M4F处理器的微控制器(MCU),同时集成了数字外设,嵌入SRAM和嵌入闪存和提供时钟,重置和功率管理功能的模拟子系统以及模数转换器(ADC)子系统.MCU工作频率高达52MHz,主要用在物联网(IoT),智能农业,智能建筑,智能测量,智能城市,智能机器和传感器网络,可穿戴设备,健身和医疗等。本文介绍了ADuCM4050产品亮点和主要特性,框图和几种应用电路,开发平台EV-cog-AD4050主要特性和优势以及电路图。The ADuCM4050 microco
2、ntroller unit (MCU) is an ultra low power integrated microcontroller system with integrated power management for processing, control, and connectivity. The MCU system is based on the ARM Cortex-M4F processor. The MCU also has a collecTIon of digital peripherals, embedded staTIc random access memory
3、(SRAM) and embedded flash memory, and an analog subsystem that provides clocking, reset, and power management capabiliTIes in addiTIon to an analog-to-digital converter (ADC) subsystem.This data sheet describes the ARM Cortex-M4F core and memory architecture used on the ADuCM4050 MCU. It does not pr
4、ovide detailed programming information about the ARM processor.The system features include an up to 52 MHz ARM Cortex-M4F processor, 512 kB of embedded flash memory with error correction code (ECC), an optional 4 kB cache for lower active power, and 128 kB system SRAM with parity. The ADuCM4050 feat
5、ures a power management unit (PMU), multilayer advanced microcontroller bus architecture (AMBA) bus matrix, central direct memory access (DMA) controller, and beeper interface.The ADuCM4050 features cryptographic hardware supporting advanced encryption standard (AES)-128 and AES-256 with secure hash
6、 algorithm (SHA)-256 and the following modes: electronic code book (ECB), cipher block chaining (CBC), counter (CTR), and cipher block chaining-message authentication code (CCM/CCM*) modes.The ADuCM4050 has protected key storage with key wrap/ unwrap, and keyed hashed message authentication code (HM
7、AC) with key unwrap. The ADuCM4050 supports serial port (SPORT), serial peripheral interface (SPI), I2C, and universal asynchronous receiver/ transmitter (UART) peripheral interfaces.The ADuCM4050 features a real-time clock (RTC), general-purpose and watchdog timers, and programmable general-purpose
8、 input/output (GPIO) pins. There is a hardware cyclic redundancy check (CRC) calculator with programmable generator polynomial. The device also features a power on reset (POR) and power supply monitor (PSM), a 12-bit successive approximation register (SAR) ADC, a red/green/blue (RGB) timer for drivi
9、ng RGB LED, and a true random number generator (TRNG)。To support low dynamic and hibernate power management, the ADuCM4050 MCU provides a collection of power modes and features such as dynamic- and software-controlled clock gating and power gating.ADuCM4050产品亮点:1. Ultra low power consumption.2. Robu
10、st operation.3. Full voltage monitoring in deep sleep modes.4. ECC support on flash.5. Parity error detection on SRAM memory.6. Leading edge security.7. Fast encryption provides read protection to user algorithms.8. Write protection prevents device reprogramming by unauthorized code.9. Failure detec
11、tion of 32 kHz low frequency external crystal oscillator (LFXTAL) via interrupt.10. SensorStrobe for precise time synchronized sampling of external sensors. Works in hibernate mode, resulting in drastic current reduction in system solutions. Current consumption reduces by 10 times when using, for ex
12、ample, the ADXL363 accelerometer. Software intervention is not required after setup. No pulse drift due to software execution.ADuCM4050主要特性:EEMBC ULPMark-CP score (3 V): 189Ultra low power active and hibernate modesActive mode dynamic current: 41 A/MHz (typical)Flexi mode: 400 A (typical)Hibernate m
13、ode: 0.65 A (typical)Shutdown mode: 50 nA (typical)Shutdown mode (fast wake-up): 0.20 A (typical)ARM Cortex-M4F processor at 52 MHz with FPU, MPU, ITM with SWD interfacePower managementSingle-supply operation (connected to VBAT pins): 1.74 V to 3.6 VOptional buck converter for improved efficiencyMem
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