ATA559001-DDT Atmel, ATA559001-DDT Datasheet - Page 80

• Manufacturer Part Number: ATA559001-DDT
• Description: RF Wireless Misc UHF (1kbit r/w anti-collision)
• Manufacturer: Atmel

Figure 12-1. Aloha Selection Process
80
ATA5590
yes
yes
value if random value = 1
- wait on next command
- calculate new random
- Backscatter ID page
- store random value
- Reset slot_counter
random value or
Close Aloha ?
New slot ?
Repeat ?
Set ID_s
Slot + 1
Slot = 1
slot = 1
no
Aloha
Slot =
Start
no
yes
Start Aloha with
- slot
- slot_selected
- slot_not_selected
command
No Aloha
no
Action
Aloha finished
Set ID_s
no
command
Wait on
new
Other commands are blocked
- slot_not_selected
- slot_selected
Close slot ?
- slot_close
- skip_slot
Wait on:
Mute
- slot
yes
4817C–RFID–03/07