ATA559001-DBW Atmel, ATA559001-DBW Datasheet - Page 28

• 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

4.9.1
28
ATA5590
Starting Point: RF Field Off
Figure 4-11. Top Level State Diagram (Starting Point is RF_off, Main Path is Represented by a
As long as the tag is not powered, the tag is not able to operate.
The tag stores the information of the status1 register (pre_select, ID, ID_s) for a defined time
without any external power (8 seconds at 25°C). The storage time is a function of the tempera-
ture. The storage time increases as the temperature drops. As the time depends on
temperature, the contents of the register after this time is no longer defined.
Note:
finished
Only a logical “1” can be stored over time. If the register was “0”, the contents is still defined after
this persistence time; it will still be “0”.
Start
POR
Observe
detected
Forward
Error
enable
Sync
Dashed Line)
RF_on
command
Ready
Reset IC
ID_s = 1
New forward
Slot not
valid
Action finished
Mute finished
Error
POR
POR
POR
POR
Error
POR
RF_off
POR
Mute
Active
new forward
Action
POR
Wait on
Reset
Wait on RF field
ID_s
condition valid
Isolated
Isolate
command
4817C–RFID–03/07
Wait on
reset