ATA555812-DDW Atmel, ATA555812-DDW Datasheet - Page 22

• Manufacturer Part Number: ATA555812-DDW
• Manufacturer: Atmel

Specifications of ATA555812-DDW

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Not Compliant

Figure 6-1.
22
ATA5558 [Preliminary]
Anticollision Loop
No Tag
Detection Error
TagID(x) = 0
Transmit GetID
Selected
command
N
N
N
N
N
Transmit GetID
Last TagID bit?
Selected TagID
(Acknowledge)
Transmit Gap
Partial TagID
(Tag present?)
TagID(x) = 1
TagID(x)=1?
Selected CRC
parameters
command/
x = x + 1
(next bit)
Selected
correct?
found
SOF?
Start
Y
Y
Y
Y
Y
Interrogator
master)
(single
Mask bit parameters
GetID command
TagID(x)bit
SOF + CRC
SOF
Gap
(one of
slaves)
many
Tag
TagID(x) = 1?
N
Y
Y
CRC of selected
Transmit SOF +
Last TagID bit?
SELECT state
READY state
Parameters
command?
received?
Transmit
Transmit
TagID(x)
x = x + 1
(next bit)
N
GetID
Gap?
Start
SOF
Tag
Y
N
Y
TagID(x) = 0?
N
Select Subgroup
N
Y
Y
x = N
N
4681C–RFID–09/05