Rainbow Electronics ISD5100 - Manual (Page 42)

ISD5100 – SERIES
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7.5.4.2. Write Digital Data
Write
=====
I2CStart
SendByte(0x80) - Write, Slave address zero
WaitACK
WaitSCLHigh
SendByte(0xc0) - Enter Digital Mode Command
WaitACK
WaitSCLHigh
I2CStop
I2CStart
SendByte(0x80) - Write, Slave address zero
WaitACK
WaitSCLHigh
SendByte(0xc9) - Write Digital Data Command
WaitACK
WaitSCLHigh
SendByte(row/256) - high address byte
WaitACK
WaitSCLHigh
SendByte(row%256) - low address byte
WaitACK
WaitSCLHigh
repeat until all data is sent
{
SendByte(data) - send data byte
WaitACK()
WaitSCLHigh()
}
I2CStop