ST公司的STM32F103VET6是一款STM32F103xx增强型系列使用高性能的ARM Cortex-M3 32位的RISC内核，工作频率为72MHz，内置高速存储器(高达128K字节的闪存和20K字节的SRAM)，丰富的增强I/O端口和联接到两条APB总线的外设。所有型号的器件都包含2个12位的ADC、3个通用16位定时器和一个PWM定时器，还包含标准和先进的通信接口：多达2个I2C和SPI、3个USART、一个USB和一个CAN。
STM32F103xx增强型系列工作于-40°C至+105°C的温度范围，供电电压2.0V至3.6V，一系列的省电模式保证低功耗应用的要求。完整的STM32F103xx增强型系列产品包括从36脚至100脚的五种不同封装形式；根据不同的封装形式，器件中的外设配置不尽相同。本文首先介绍芯片的简介、特性及应用领域，并给出高效数字光伏DC-DC电源设计方案的设计原理图、元器件列表及PCB元件布局图。
The STM32F103xC, STM32F103xD and STM32F103xE performance line family incorporates the high-performance ARM®Cortex™-M3 32-bit RISC core operating at a 72 MHz frequency, high-speed embedded memories (Flash memory up to 512 Kbytes and SRAM up to 64 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses. All devices offer three 12-bit ADCs, four general-purpose 16-bit timers plus two PWM timers, as well as standard and advanced communication interfaces: up to two I2Cs, three SPIs, two I2Ss, one SDIO, five USARTs, an USB and a CAN.
The STM32F103xx high-density performance line family operates in the –40 to +105 °C temperature range, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving mode allows the design of low-power applications.
These features make the STM32F103xx high-density performance line microcontroller family suitable for a wide range of applications such as motor drives, application control, medical and handheld equipment, PC and gaming peripherals, GPS platforms, industrial applications, PLCs, inverters, printers, scanners, alarm systems video intercom, and HVAC.

STM32F103VET6主要特性：
Core: ARM 32-bit Cortex™-M3 CPU
72 MHz maximum frequency, 1.25 DMIPS/MHz (Dhrystone 2.1) performance at 0 wait state memory access
Single-cycle multiplication and hardware division
Memories
256 to 512 Kbytes of Flash memory
up to 64 Kbytes of SRAM
Flexible static memory controller with 4 Chip Select. Supports Compact Flash, SRAM, PSRAM, NOR and NAND memories
LCD parallel interface, 8080/6800 modes
Clock, reset and supply management
2.0 to 3.6 V application supply and I/Os
POR, PDR, and programmable voltage detector (PVD)
4-to-16 MHz crystal oscillator
Internal 8 MHz factory-trimmed RC
Internal 40 kHz RC with calibration
32 kHz oscillator for RTC with calibration
Low power
Sleep, Stop and Standby modes
VBAT supply for RTC and backup registers
3 × 12-bit, 1 μs A/D converters (up to 21 channels)
Conversion range: 0 to 3.6 V
Triple-sample and hold capability
Temperature sensor
2 × 12-bit D/A converters
DMA: 12-channel DMA controller
Supported peripherals: timers, ADCs, DAC, SDIO, I2Ss, SPIs, I2Cs and USARTs
Debug mode
Serial wire debug (SWD) & JTAG interfaces
Cortex-M3 Embedded Trace Macrocell™
Up to 112 fast I/O ports
51/80/112 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant
Up to 11 timers
Up to four 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
2 × 16-bit motor control PWM timers with dead-time generation and emergency stop
2 × watchdog timers (Independent and Window)
SysTick timer: a 24-bit downcounter
2 × 16-bit basic timers to drive the DAC
Up to 13 communication interfaces
Up to 2 × I2C interfaces (SMBus/PMBus)
Up to 5 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
Up to 3 SPIs (18 Mbit/s), 2 with I2S interface multiplexed
CAN interface (2.0B Active)
USB 2.0 full speed interface
SDIO interface
CRC calculation unit, 96-bit unique ID
ECOPACK®packages

STM32F103VET6应用：
电机驱动和应用控制
医疗和手持设备;
PC外设和GPS平台
工业应用：可编程控制器、变频器、打印机和扫描仪;
警报系统，视频对讲，和暖气通风空调系统

 

图1. STM32F103VET6内部方框图

STM32F103VET6方案介绍：
The STEVAL-IPP001V2 demonstration board is based on the STM32F10xxx microcontroller, ST7580 PLM module and STPMC1 polyphase energy-metering IC.
The STEVAL-IPP001V2 demonstration board implements a PLM smart-meter node which allows the public utility company to monitor energy consumption and other electrical parameters during one or more phases.
The voltage, current, power, power factor, THD, active and reactive energy and other stored information can be shown on an LCD locally or sent to a PLM data concentrator through a power line communication network.
Features
■ Energy consumption measured by external metering board
■ Power line communication up to 28.8 kbps
■ LCD display to show electrical parameters of energy consumption
■ USB and RS232/IrDA connectivity
■ Optional ZigBee communication capability
■ Optional MEMS module support
■ Expansion capability for smartcard interface
■ RoHS compliant

STM32F103VET6方案原理图：

图2. STM32F103VET6方案原理图

STM32F103VET6方案材料清单：

PCB元件布局图：