Rf E2Prom; Hdmi Cec; Table 14. Can Related Jumpers - ST STM32091C-EVAL User Manual

Hardware Layout and configuration
Jumper
JP3
JP2
CAN operates correctly when VDDIO2>3V.
2.16

RF E2PROM

A RF E2PROM module ANT7-M24LR-A is mounted on connector CN2 and connected to
I2C1 bus of STM32F091VCT6, this bus shares same I2C1 bus with Temperature sensor U1
and DDC on HDMI_Source connector CN4.
The I2C address of the RF EEPROM daughter board is 0b1010000.
2.17

HDMI CEC

Two HDMI connectors CN3 and CN4 are available on STM32091C-EVAL board.
•
The connector CN3 is HDMI sink connector with
–
–
–
•
The connector CN4 is HDMI source connector with
–
–
–
–
The signals TDMS D+[0..2], TDMS_CLK+, TDMS D-[0..2], TDMS_CLK- on these two HDMI
connectors are connected together.
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Table 14. CAN related jumpers

CAN transceiver is working in standby mode when JP3 is set as shown to the right:
CAN transceiver is working in high-speed mode when JP3 is set as shown to the
right: (default setting)
1 2 3
CAN transceiver is working in slope control mode when JP3 is open.
CAN terminal resistor is enabled when JP2 is fitted.
Default setting: Not fitted
DDC connected to I2C2 of STM32F091VCT6
HPD controlled by IO PD11 through transistor T1
CEC connected to PB10 through transistor T2
DDC connected to I2C1 of STM32F091VCT6 and shared with Temperature
sensor and RF E2PROM
HPD controlled by IO PD10
CEC connected to PB10 through transistor T2
HDMI 5V powered by power switch U3
DocID026902 Rev 2
Description
UM1817
1 2 3