I2C - Epson S1V3G340 Hardware Specification

7. External Connection Examples
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7.2.3

I2C

Host
SDA
External Interrupt Port
I/O Port
Figure 7.5 Serial interface external connection example (I2C)
If I2C is used, set the SHISEL0 input pin to Low level and SHISEL1 to High level.
MSGRDY is an output signal indicating that a command to be sent from the S1V3G340 is
ready to be sent. For more information on the data receiving flow on the host side and the
MSGRDY output timing, see "S1V3034x Series Message Protocol Specification."
STBYEXIT is an input signal used to implement recovery from standby mode to normal
operating mode. For more information on the STBYEXIT input timing, see "S1V3034x
Series Message Protocol Specification."
SCL SCKS/SCL
(Open) SOS/TXD
SIS/RXD/SDA
NSCSS
VSS
MSGRDY
STBYEXIT
SHISEL0
HVDD
SHISEL1
VSS
EPSON
S1V3G340
S1V3G340 Hardware Specification
(Rev. 1.0)