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2022
congatec
AG
HEVAm100
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4.10.2
I2C0 I/O Expander Header
The conga-HPC/EVAL-Server provides eight I2C0 signals on header X39 via an I/O expander (TI PCA9554). The
I2C address of the I/O Expander
is 0x48
.
Table 39 X39 - I2C0 Expander Pinout Description
Pin
Signal
Pin
Signal
1
I2C0_IO0
2
GND
3
I2C0_IO1
4
GND
5
I2C0_IO2
6
GND
7
I2C0_IO3
8
GND
9
I2C0_IO4
10
GND
11
I2C0_IO5
12
GND
13
I2C0_IO6
14
GND
15
I2C0_IO7
16
GND
Connector Type
X39: 2.54 mm, 2x8-pin female connector
4.10.3
I2C1 Pin Header
The conga-HPC/EVAL-Server provides I2C1 signals on header X48. I2C1 operates with 1.8 V.
Table 40 X48 - I2C1 Pinout Description
Pin
Signal
1
+V1.8 standby (0.75 A fuse)
2
I2C1_DAT
3
I2C1_CLK
4
Pull-up to +V1.8 standby
5
GND
Connector Type
X48: 2.54 mm, 5-pin female connector
1
3
7
9
Key
15
13
11
2
4
6
8
10
12
16
14
X39
2
3
1
4
5
X48