參數(shù)資料
型號: 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/寫的確定性防撞投資業(yè)務(wù)
文件頁數(shù): 23/42頁
文件大?。?/td> 557K
代理商: ATA555814M01-PP
23
4681C–RFID–09/05
ATA5558 [Preliminary]
Figure 6-2.
GetID Command with Partially Known Tag ID
Figure 6-3.
Subsequent Tag Responses in Anticollision Loop (Two Alternative Tag IDs)
T
IR
S
Gap
SOC
A
2
3
GetID
T
Tag
00
10
11
00
00
10
00
10
00
even
Interrogator command GetID (TagIDpart = "A23")
Tag response for TagID's "A232" or "A233"
subsequent TagID bits
Interrogator acknowledge gap
T
Tag
T
Tag
'0'
'0'
'1'
2 bit period 2 bit period 2 bit period
Anticollision response
from all tags.
SOF
SOF
final
TagID bit
2 bit period
SOF
T
Tag
'0'
'1'
'1'
'1'
'0'
'0'
'1'
'1'
'0'
T
0
final
TagID bit
'1'
Interrogator acknowledge gap
2 bit period
SOF
Alternative A (TagID = "A233")
Alternative B (TagID = "A232")
Anticollision response from all tags
with '1' in current TagID position
(TagID = A233 and/or A232)
Anticollision response from
remaining tag with '1' in last TagID
position (TagID = A233)
Final Tag response for TagID "A233" + CRC
Anticollision response from
remaining tag with '1' in last TagID
position (TagID = A232)
Final tag response for TagID "A232" + CRC
'0'
T
Tag
'0'
'0'
'1'
'1'
'0'
'1'
'1'
'1'
'0'
16 bit Manchester coded CRC (= "6D0D" )
16 bit Manchester coded CRC (= "7D2C" )
T
1
T
Tag
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