stm32F103VET6 Core Board 72MHz/512KFlash/64KRAM
Core
-ARM 32 -bit Cortex-M3 ™ CPU
-72MHz, 1.25DMIPS/MHz (Dhrystone2.1) 0 waiting for memory access
– Single- cycle multiply and hardware divide
Memory
-512KB Flash program memory Bytes
-64K bytes SRAM
Clock, reset and power supply management
-2.0 To 3.6 V power supply and I / O pins
– Power on / off Reset (POR / PDR), programmable voltage detector (PVD)
– High-speed inline 4 to 16MHz crystal oscillator
– Factory-trimmed to 8MHz RC oscillator
– Internal 40kHz RC oscillator
CPU clock -PLL supply
– With a calibrated 32kHz RTC oscillator
Low power consumption
– Sleep, Stop and Standby modes
-VBAT supply for RTC and backup registers
Debug mode
– Serial Wire Debug (SWD) and JTAG debug interface
DMA
-7 Channel DMA controller
– Supported peripherals: timers , ADC, SPI, I2C and USART
Three 12-bit ADC ADC, 1us conversion time ( 16 channels )
– Conversion range: 0 to 3.6V
– Dual sample and hold function
– Temperature sensor
A 12-bit DAC DAC (2 -channel ) ;
Up to 80 fast I / O ports ( up to 50MHZ)
-80 5V compatible multifunctional bidirectional I / O port
– All I / O ports can be mapped to 16 external interrupts
Up to seven timer
– Up to three 16-bit timers, each with up to 4 for input capture / output compare / PWM or pulse counter
-16 Bit 6 -channel advanced control timer
– Up to 6 PWM outputs
– Deadband control , edge / center-aligned waveforms and emergency brake
-2 Watchdog timer ( independent and window type )
– System timer : 24 from minus type
Communication interfaces up to 9
– Up to two I2C interfaces (SMBus / PMBus)
– Up to three USART interface, support for ISO7816, LIN, IrDA interface and modem control
– Up to two SPI synchronous serial interface ( 18 Mbit / s )
-CAN interfaces (2.0B Active )
-USB 2.0 full-speed interface
Package
-LQFP100
Core board hardware resources:
All IO ports are leads ( including the ADC reference voltage VREF)
- Two user buttons,
- A reset button ;
- Two controllable LED;
- A power indicator LED;
- A USB to serial interfaces ( a key to download the program to use ) ;
- A USB slave interface ;
- A JTAG / SWD 20 -pin standard interface ;
- A 32 foot FSMC TFT LCD screen interface
- Board size : 101.5 mm x 76.68 mm
- Board has three SO8 chip factory where SPI flash 25q16, EEPROM 24C02 have been welded on , 485 IC welding on their own needs