參數(shù)資料
型號(hào): ATA555814M01-PP
廠商: Atmel Corp.
英文描述: 1 kbit R/W IDIC with Deterministic Anticollision
中文描述: 1千比特讀/寫(xiě)的確定性防撞投資業(yè)務(wù)
文件頁(yè)數(shù): 22/42頁(yè)
文件大?。?/td> 557K
代理商: ATA555814M01-PP
22
4681C–RFID–09/05
ATA5558 [Preliminary]
Figure 6-1.
Anticollision Loop
Transmit
SOF
Gap
x = x + 1
(next bit)
Last TagID bit
SELECT state
Transmit
TagID(x)
TagID(x) = 0
READY state
GetID
command
x = x + 1
(next bit)
Last TagID bit
Selected TagID
found
Y
Interrogator
(single
master)
Start
Start
SOF
(Tag present)
TagID(x)=1
Transmit Gap
(Acknowledge)
Selected
TagID(x) = 1
Selected
TagID(x) = 0
Transmit SOF +
CRC of selected
Tag
Y
Selected CRC
correct
Detection Error
Tag
(one of
many
slaves)
N
Y
No Tag
N
Parameters
received
N
Transmit GetID
command/
parameters
Y
N
Y
Y
N
Select Subgroup
x = N
Y
N
N
N
N
Y
N
Y
N
TagID(x) = 1
Partial TagID
Transmit GetID
command
Y
Y
GetID command
Mask bit parameters
SOF
TagID(x)bit
Gap
SOF + CRC
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