Hardware layout and configuration
UM0686
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Doc ID 15451 Rev 1
1.3 Clock
sources
The two clock sources available on the STEVAL-IHM022V1 demonstration board for the
STM32F103ZE and RTC are:
●
Y1 - 32 kHz crystal for embedded RTC
●
Y2 - 8 MHz crystal for STM32F103ZE microcontroller
1.4 Reset
sources
The demonstration board reset signal is active low, and the reset sources include:
●
reset button S1
●
debugging tools from JTAG connector CON6 and trace connector CON5
●
daughterboard from CON1
Table 2.
Boot switches
Switch
Boot option
Switch
configuration
BOOT0
BOOT1
User Flash
: set the BOOT0 switch as shown. BOOT1 is not required for this
configuration (default setting).
Embedded SRAM
: set the BOOT0 and BOOT1 switches as shown.
System memory:
set the BOOT0 and BOOT1 switches as shown.
Table 3.
Reset jumper
Jumper
Description
JP3
Enable the reset of the STM32F103ZE embedded JTAG TAP controller each time a
system reset occurs. JP3 connects the TRST signal from the JTAG connection with
the system reset signal RESET#.
Default setting: no jumper placed
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