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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/寫的確定性防撞投資業(yè)務(wù) |
| 文件頁數(shù)： | 18/42頁 |
| 文件大?。?/td> | 557K |
| 代理商： | ATA555814M01-PP |
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18
4681C–RFID–09/05
ATA5558 [Preliminary]
It is possible to carry out commands simultaneously on more than one tag. To do this they must
all first be selected by specifying a group of tags within the READY state and putting the group
into the Selected state. This is performed by using a SelectGroup command with a matching
partial Tag ID pattern. A group of tags in the Selected state may be written simultaneously with
identical blocks of data. Data verification and checksum errors are reported by the tags using a
special dual pattern code. Tags within the Selected state will automatically drop into the Quiet
state and be excluded from subsequent anticollision detection, if a subsequent Select or GetID
command is received.
Selection can also take place on tag groups with non-matching Tag ID patterns using the Select-
NGroup command. This could be useful for example, to check a storage crate for items which do
not match a certain selection criteria (e.g. color or dispatch destination), so a SelectNGroup
command with the Tag ID mask set to the color black will GroupSelect all non-black items. If no
tag responds with a SOF pattern, then there are no black items present.
Figure 5-1.
Tag State Diagram
Select, GroupSelect
or GetID
opcode
GetID
Select or
GroupSelect
with matching TagID
or SelectAll
TagID
Identified
Implicit state change
Command initated state transition
Arbitration lost/
TagID eliminated
QUIET
SELECTED
Anticollision
detection loop
ResetToReady
PM READY
(continuous data
transmission)
Power On
(PM or EAS only)
Power On
(ITFMode )
POWER DOWN
ResetToReady or invalid
command (PM or EAS only)
Start Gap
Read/Write/Login
ResetToReady,
Reset Selected
READY
(ITF mode )
All sucessfull select
commands
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ATA555814-PAE | 1 kbit R/W IDIC with Deterministic Anticollision |
| ATA555814-PP | 1 kbit R/W IDIC with Deterministic Anticollision |
| ATA555815-DDT | 1 kbit R/W IDIC with Deterministic Anticollision |
| ATA555815-DDW | 1 kbit R/W IDIC with Deterministic Anticollision |
| ATA555815M01-DDT | 1 kbit R/W IDIC with Deterministic Anticollision |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ATA555814-PAE | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:1 kbit R/W IDIC with Deterministic Anticollision |
| ATA555814-PP | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:1 kbit R/W IDIC with Deterministic Anticollision |
| ATA555815C-PP | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI ATA555815C-PP Transponder RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| ATA555815-DDT | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:1 kbit R/W IDIC with Deterministic Anticollision |
| ATA555815-DDW | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:1 kbit R/W IDIC with Deterministic Anticollision |
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