MINI-MAX/STM32F1-C is a general purpose, low-cost, highly-reliable and highly-expandable micro-controller system, based on the STMicroelectronics STM32F103VGT6 ARM® Cortex™-M3 32-bit MCU.
Features:
8 MHz crystal, with up to 72 MHz internal operation
Ultra Low Power, USB or Battery operation possible, peripheral shutdown capability
Holder for MicroSD cards
Two RS232 Serial Ports with RTS/CTS handshake lines
USB Device port
JTAG programming interface
Keypad connector
LCD connector ( programmable contrast adjustment for the LCD )
JTAG connector
Screw terminal block for analog circuits
Expansion bus interface to low-cost peripheral boards