ST公司的STEVAL-CCM001V2圖像" title="圖像">圖像解決方案是采用STM32F103" title="STM32F103">STM32F103xC,STM32F103xD或STM32F103xE 32位MCU,采用ARM® Cortex™-M3 RISC內核,工作頻率72MHz,具有256-512KB閃存,USB.CAN以及格1個定時器,3個ADC和13個通信接口,工作電壓2.0到3.6V,工作溫度–40到+105℃,主要用在馬達驅動和應用控制,醫(yī)療和手持設備,PC外設和GPS平臺,工業(yè)應用,PLCV,變頻器,打印機和掃描儀以及告警系統,視頻互連和HVAC.本文介紹了STM32F103xC,STM32F103xD和STM32F103xE主要特性,方框圖,時鐘樹和電源方案,以及STEVAL-CCM001V2圖像演示板主要特性和電路圖.

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 ℃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.

The STM32F103xx high-density performance line family offers devices in six different package types: from 64 pins to 144 pins. Depending on the device chosen, different sets of peripherals are included, the description below gives an overview of the complete range of peripherals proposed in this family.

These features make the STM32F103xx high-density performance line microcontroller family suitable for a wide range of applications:

● Motor drive and application control

● Medical and handheld equipment

● PC peripherals gaming and GPS platforms

● Industrial applications, PLC, inverters, printers, and scanners

● Alarm systems, video intercom, and HVAC

STM32F103xx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

圖1.STM32F103xx系列方框圖

圖2.STM32F103xx系列時鐘樹框圖

圖3.STM32F103xx系列電源方框圖

STEVAL-CCM001V2圖像演示板

Graphic panel demonstration board based on the STM32

The STM32-based STEVAL-CCM001V2 graphic panel demonstration board displays images oneby- one in a slideshow fashion. The heart of this board is the STM32 microcontroller, which is capable of reading a memory card containing photographs, and display them on a TFT screen. The memory used to store the images is a microSD card. A 3-axis MEMS accelerometer is used for picture orientation.With the growing popularity of digital cameras and cellular phones with high-pixel photo capability, it is becoming more common for people to store digital photos in storage media rather than producing prints. Digital photo frames are an ideal solution to preview digital images. Bundling image display solutions with the STM32 shows the capability of this microcontroller in the world of multimedia. Additional features of the board include display of room temperature, date and time, a touchscreen-based keypad as user interface, USB mass storage, ZigBee® and a rechargeable battery system.

The application can be used either as a standalone solution, or combined with other
applications such as POS, card readers, security panels, USB speakers or high-end remote controls.

STEVAL-CCM001V2圖像演示板主要特性:

■ Microcontroller: STM32-HD (64 KB RAM)

■ 320 x 240 resolution parallel TFT screen using FSMC peripheral for faster display

■ Bluetooth module footprint

■ Touchscreen for user interface

■ ZigBee® for picture transfer

■ STM32-based RTC available to display date/time and calendar

■ MEMS device to rotate the image based on TFT position

■ MicroSD card interfaced through SDIO

■ USB Mini-B connector

■ PC connectivity

■ User-programmable time interval for photo display

■ Senses temperature and displays data on TFT

■ On-board power supply for DPF

■ Rechargeable battery circuit available

■ On-board JTAG connector for firmware upgrade and modifications

■ Additional ESD protection device for USB and SD card

■ RoHS compliant

圖4.STEVAL-CCM001V2圖像演示板外形圖

圖5.STEVAL-CCM001V2圖像演示板電路圖:MCU部分

圖6.STEVAL-CCM001V2圖像演示板電路圖:連接器部分(TFT, microSD, JTAG, 溫度傳感器, ZigBee, 藍牙,觸摸板連接器)

圖7.STEVAL-CCM001V2圖像演示板電路圖:電源,MEMS和USB

圖8.STEVAL-CCM001V2圖像演示板電路圖:S-觸摸鍵部分
詳情請見:
http://www.st.com/stonline/products/literature/ds/14611/stm32f103ve.pdf
和
http://www.st.com/stonline/books/pdf/docs/17002.pdf