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4.10
I2C Header
The conga-HPC/EVAL-Server provides the following general purpose I2C ports:
•
I2C0 on I2C header X47
•
I2C0 on I/O expander header X39
•
I2C1 on header X48
4.10.1
I2C0 Header
The conga-HPC/EVAL-Server features ATMEL AT24C32E—a 2-wire serial EEPROM with I2C device
address 0xAE via I2C0 bus
. You can access
the EEPROM by using the I²C control commands implemented in the congatec CGOS API driver. Refer to the user’s guide of the COM-HPC
®
module and the congatec CGOS manual for more information.
The conga-HPC/EVAL-Server also provides I2C0 signals on header X47. I2C0 operates with 3.3 V.
Table 38 X47 - I2C0 Pinout Description
Pin
Signal
1
+V3.3 standby (0.75 A fuse)
2
I2C0_DAT
3
I2C0_CLK
4
I2C0_ALERT#
5
GND
Connector Type
X47: 2.54 mm, 5-pin female connector
2
3
1
4
5
X47