ATA559001-DBW Atmel, ATA559001-DBW Datasheet - Page 26

• Manufacturer Part Number: ATA559001-DBW
• Description: RF Wireless Misc UHF (1kbit r/w anti- collis. Ni-Au)
• Manufacturer: Atmel

Specifications of ATA559001-DBW

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.8
26
Principal Communication Flow
ATA5590
Figure 4-9.
Figure 4-9
ATA5590 also supports other types of commands; in which case the flow can be slightly
different.
To be able to control such flows, ATA5590 implements several state machines, which work in
parallel or sequentially.
new commands
shows the flows for read, program, and deterministic anticollision commands.
expected
wait on
Principal Flow of the Communication
notch
program command and
Program
command and
CRC not ok
program
CRC not ok
subcarrier
Send
Receive
header
Check
stream
Init
header ok
notch received
received
data and
Receive
status2
scatter
header
scatter
EOT2
Back-
return
Back-
CRC
commands
other
receive command stream
EOF received
or waiting for a
header not ok
wait on notch
CRC not ok
header
anticollision and
group select
commands
Anticollision
Set status1
procedure
won
4817C–RFID–03/07
if required
status1
Reset
lost