STM32-H103 Olimex Ltd., STM32-H103 Datasheet - Page 7

• Manufacturer Part Number: STM32-H103
• Description: MCU, MPU & DSP Development Tools HDR BRD FOR STM32F103RBT6
• Manufacturer: Olimex Ltd.

Specifications of STM32-H103

• Processor To Be Evaluated: STM32F103RBT6
• Data Bus Width: 32 bit
• Interface Type: USB, CAN, I2C, JTAG, SPI, UART
• Dimensions: 61 mm x 34 mm
• Operating Supply Voltage: 3.3 V
• Core Architecture: ARM
• Cpu Core: ARM Cortex M3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RESET CIRCUIT:
CLOCK CIRCUIT:
STM32-H103 can take power from two sources:
-
-
The board power consumption is: about 40 mA with all peripherials and
MCU running at full speed, there are different power saving modes which
may put STM32F103RBT6 in power sleep mode and in these modes the
consumption of the MCU is only few micro ampers.
STM32-H103 reset circuit is made with RC group R8 - 10K and C19 -
100nF.
Although on the schematic is made provision for external reset IC such is
not necessary as STM32 have build-in brown out detector. Manual reset is
possible by the RESET button.
Quartz crystal 8Mhz is connected to STM32F103RBT6. Internal PLL circuit
can multiply this frequency up to 72Mhz.
32.768 KHz quartz crystal is connected to STM32F103RBT6 for it’s internal
Real Time Clock.
USB connector where 5V power supply is applied by USB host
Vin input in extension pin EXT2.26 where +5-9V may be applied