UM0686
Hardware layout and configuration
Doc ID 15451 Rev 1
9/58
1.5 Serial
Flash
A 64 (or 128) Mbit serial Flash is connected to SPI1 of the STM32F103ZE. SPI1 pins NSS,
MISO, MOSI and SCK are multiplexed with other peripherals, such as motor control timers
and JTAG debug.
lists the jumper configurations for enabling SPI1 peripheral
communication with serial Flash.
1.6 CAN
The STEVAL-IHM022V1 demonstration board supports CAN 2.0 A/B-compliant CAN bus
communication based on a 3.3 V CAN transceiver. High-speed mode, standby mode and
slope control mode are available and can be selected through JMP2.
Table 4.
Serial Flash-related jumpers
Jumper
Description
JP14
Serial Flash chip select is managed by I/O pin PA15. The jumper must be
positioned on JP14 as shown.
JP15
Serial Flash chip clock is managed by I/O pin PB3. The jumper must be
positioned on JP15 as shown.
JP16
Serial Flash chip MISO is managed by I/O pin PB4. The jumper must be
positioned on JP16 as shown.
JP14
1
2
3
4
JP15
1
2
3
4
JP16
1
2
3
4
Table 5.
CAN transceiver mode selection
Jumper
Description
JMP2
Standby mode
: Place the jumper on pins 2—1 of JMP2, as shown.
High-speed mode
: Place the jumper on pins 3—2 of JMP2, as shown
(default setting).
Slope control mode
: JMP2 is open (no jumper added).
JP8
CAN terminal resistor is enabled when JP8 is fitted
Default setting: not fitted
JMP2
3 2
1
JMP2
3 2
1
JMP2
3 2
1
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