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12048231 Rev. 00 (Draft)
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6.8. Power Supply to V-By-One Display (V-TCON)
The V-TCON Power Supply to the V-By-One display is provided on following connectors:
-
J32
– the 51-pin V-By-One combined data/power connector
-
J56
– the 6-pin separate V-By-One V-By-One Display-Power-connector
Attention!
The V-TCON maximum current is limited to 4A (5A for the short Dispay Test Mode).
Do not source the V-TCON power on both connectors at the same time!
6.9. I2C Devices
Four I2C Buses are available on the eDM-CB-SM-IPCS.
-
I2C_GP:
SMARC General purpose Interface
-
I2C_PM:
SMARC Power Management Support
-
I2C_LCD: LSMARC LCD Display Support
-
I2C_SW:
STM32 board controller internal interface.
The I2C-Devices Table below shows the on board I2C device resources.
RefDes
Device
I2C Bus I2C Addr.(8h)
Description
U1
Board Controller STM32 GP
52h
Connected to Ground potential of the PCB
U1
Board Controller STM32 PM
not used
reserved connection
U14
TPS65987D
GP
44h
USB-Type C Port Multiplexer
U25
WM8904
GP
34h
I2S Audio Codec
U31
AT24C32
GP
AEh
On Board EEPROM
U17
NT68410
LCD
A0h
Novatek DisplayPort to V-By-One Converter
U31
AT24C32
SW
A0h
EEPROM internal use only
U4
LM75
SW
92h
Temperature Sensor used by Board Controller
STM32
U7
USB2514B
PM
58h
Optional connection to USB2.0- HUB
