ATA555812C-DDB Atmel, ATA555812C-DDB Datasheet - Page 22
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ATA555812C-DDB
Manufacturer Part Number
ATA555812C-DDB
Description
IC IDIC 1KBIT R/W DIE
Manufacturer
Atmel
Datasheet
1.ATA555812C-DDB.pdf
(52 pages)
Specifications of ATA555812C-DDB
Function
Read/Write
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 22 of 52
- Download datasheet (2Mb)
Figure 6-1.
22
ATA5558
Anticollision Loop
No Tag
Detection Error
TagID(x) = 0
Transmit GetID
Selected
command
N
N
N
N
N
Selected TagID
Transmit GetID
Last TagID bit?
(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
Start
SOF?
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
4681E–RFID–11/09
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