5.1 Flash Application for the ATA8510 RF Transceiver
The following figure illustrates the program flow for the remote sensor application. The
initial state of the device is the OFF mode. The real-time clock of the remote sensor
wakes up the transceiver every two seconds and switches the device to the Active mode.
The ATA8510 powers up, reads out the temperature value,
and transmits the data telegram. During transmission of this data telegram, the ATA8510 RF transceiver checks the supply voltage level,
and if this is below 2.2V, it transmits an error message after a delay of 200 ms. The
device then enters the OFF mode again until the next wake-up by the Real-Time Clock
(RTC) (MCP7940M, see Figure 4-2) or by pressing the SW2 button. Figure 5-1. Flash Application for the ATA8510 RF Transceiver
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