Olimex Header board for STM32F107 CORTEX-M3 microcontroller STM32-H107 STM32-H107 用户手册
产品代码
STM32-H107
POWER SUPPLY CIRCUIT
STM32-H107
can take power from three sources:
–
PWR connector where 9 V DC or 6 V AC is applied by external power source.
–
+5V_ OTG-PWR from USB OTG
–
+5V_JTAG from JTAG
RESET CIRCUIT
STM32-H107
reset circuit includes EXT1 pin 3, EXT2 pin 3, JTAG connector pin 15,
STM32F107VCT6 pin 14 (NRST) and RESET button.
CLOCK CIRCUIT
Quartz crystal 25 MHz is connected to STM32F107 pin 12 (OSC_IN) and pin 13
(OSC_OUT).
Quartz crystal 32.768kHz is connected to STM32F107 pin 8 (PC14/OSC32_IN) and
Quartz crystal 32.768kHz is connected to STM32F107 pin 8 (PC14/OSC32_IN) and
pin 9 (PC15/OSC32_OUT).
JUMPER DESCRIPTION
PWR_SEL
When position 1-2 is shorted – the board is power supplied from JTAG.
When position 3-4 is shorted – the board is power supplied from USB_OTG.
When position 5-6 is shorted – the board is power supplied from External power
When position 3-4 is shorted – the board is power supplied from USB_OTG.
When position 5-6 is shorted – the board is power supplied from External power
source.
Default state is – position 5-6 – shorted.
Default state is – position 5-6 – shorted.
B0_1/B0_0
When this jumper is in position B0_1 – BOOT0 is connected to 3.3V, and when the
jumper is in position B0_0 – BOOT0 is connected to GND.
Default state is B0_0.
jumper is in position B0_0 – BOOT0 is connected to GND.
Default state is B0_0.
B1_1/B1_0
When this jumper is in position B1_1 – BOOT1 is connected to 3.3V, and when the
jumper is in position B1_0 – BOOT1 is connected to GND.
Default state is B1_0.
Default state is B1_0.
3.3V_MCU_E
Enable 3.3V microcontroller power supply
Default state is closed.
Default state is closed.
3.3V_E
Enable regulator VR2 (3.3V) - LM1117
Default state is closed.
Default state is closed.
R-T
Connects RST to TRST
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