ST公司的STM32F103VET6是一款STM32F103xx增強型系列使用高性能的ARM Cortex-M3 32位的RISC內核，工作頻率為72MHz，內置高速存儲器(高達128K字節的閃存和20K字節的SRAM)，豐富的增強I/O端口和聯接到兩條APB總線的外設。所有型號的器件都包含2個12位的ADC、3個通用16位定時器和一個PWM定時器，還包含標準和先進的通信接口：多達2個I2C和SPI、3個USART、一個USB和一個CAN。
STM32F103xx增強型系列工作于-40°C至+105°C的溫度范圍，供電電壓2.0V至3.6V，一系列的省電模式保證低功耗應用的要求。完整的STM32F103xx增強型系列產品包括從36腳至100腳的五種不同封裝形式；根據不同的封裝形式，器件中的外設配置不盡相同。本文首先介紹芯片的簡介、特性及應用領域，并給出高效數字光伏DC-DC電源設計方案的設計原理圖、元器件列表及PCB元件布局圖。
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應用：
電機驅動和應用控制
醫療和手持設備;
PC外設和GPS平臺
工業應用：可編程控制器、變頻器、打印機和掃描儀;
警報系統，視頻對講，和暖氣通風空調系統

 

圖1. STM32F103VET6內部方框圖

STM32F103VET6方案介紹：
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方案原理圖：

圖2. STM32F103VET6方案原理圖

STM32F103VET6方案材料清單：

PCB元件布局圖：