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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)： | 2/42頁 |
| 文件大小： | 557K |
| 代理商： | ATA555814M01-PP |
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2
4681C–RFID–09/05
ATA5558 [Preliminary]
The ATA5558 receives commands from the interrogator (downlink) as a
1 out of 4
pulse interval
encoded, amplitude modulated signal. Return data transmission from the tag to the interrogator
(uplink) utilizes either Manchester, Bi-phase or NRZ encoded amplitude modulation. This is
achieved by controlled damping of the interrogator’s RF field with an on-chip resistive load
between the two tag terminals, Coil 1 and Coil 2. Multi-Tag identification is implemented using a
deterministic anticollision algorithm which requires unique tag identification information (Tag
ID’s). Three blocks within the system memory are reserved for storage of the Tag ID, the length
of which is user configurable up to a maximum of 96 bits.
Figure 1-2.
System Block Diagram
2.
Functional Blocks
2.1
Analog Front End
The analog front end (AFE) includes all circuitry directly associated with the coil interface. It gen-
erates the internal power supply and handles the data communication with the interrogator. It
consists of the following blocks:
Rectifier to generate a DC supply voltage from the AC coil voltage
Low-voltage regulator to provide an on-chip stabilized DC voltage
Charge pump to generate the high voltage required for EEPROM programming
On-chip tuning capacitor (mask option)
Field clock extractor
Field gap detector for data transmission from interrogator to tag
Load switching between Coil 1/Coil 2 for data transmission from tag to interrogator
Electrostatic discharge protection (ESD)
B
g
P
d
System memory
User memory
(1kbit EEPROM)
Modulator
HV generator
Input register
*
Coil 1
Coil 2
* mask option
Mode register
Anticollision logic
Controller
POR
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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