Serial communications
STTS2002
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
Pin descriptions
A0, A1, A2
A2, A1, and A0 are selectable address pins for the 3 LSBs of the I2C interface address.
They can be set to VDD or GND to provide 8 unique address selections. These pins are
internally connected to the E2, E1, E0 (chip selects) of EEPROM.
VSS (ground)
This is the reference for the power supply. It must be connected to system ground.
SDA (open drain)
This is the serial data input/output pin.
SCL
This is the serial clock input pin.
EVENT (open drain)
This output pin is open drain and active-low.
VDD (power)
This is the supply voltage pin, and ranges from 2.3 V to 3.6 V.
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Doc ID 15389 Rev 5