Instructions

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happens during the ninth clock cycle.
4.2.2.5 Bus Status
When the module has received command, it doesn’t acknowledge I²C bus until ends with
the card communication.
4.2.2.6 Device Address
The module requires a 8-bit device address following a start condition to enable the chip for
a read or write operation.
The device address word consists of 7 addressing bits and 1 operation select bit.
The first 7 bits of the module address are 1010000 (0xA0 in hex)
The eighth bit of the device address is the read/write operation select bit. A read operation is
initiated if this bit is high and a write operation is initiated if this bit is low.
4.2.2.7 Write Data Operation
The host device sends a command to module via writing operation.
4.2.2.8 Read Data Operation
The host device gets result via reading operation.