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参数资料
| 型号： | T555200-PAE |
| 厂商： | ATMEL CORP |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PXMA |
| 文件页数： | 1/16页 |
| 文件大小： | 1154K |
| 代理商： | T555200-PAE |
Features
Low Power, Low Voltage Operation
Contactless Power Supply
Contactless Read/Write Data Transmission
Radio Frequency (RF): 100 kHz to 150 kHz
1056 Bits of EEPROM Memory
992 Bits (31 Bits
× 32 Bits) of User Memory
Defined Start of Data Transmission
Auto-verify after EEPROM Programming
400 mm Thickness of the Micromodule
435-pF Capacitor
Block Write Protection for Each Block
Configurable Options Include:
– Modulation Type: PSK/Manchester
– Bit Rate [Bit/s]: RF/16 and RF/32
– Max Block Feature
– Modulation Defeat
– POR Start-up Delay: Approximately 1 ms/65 ms
Applications
Industrial Asset Management
Process Control and Automation
Logistic Process Flow Monitoring
1.
Description
The T5552 is a two terminal, contactless R/W-IDentification IC (IDIC
) for tag applica-
tions in the 125 kHz (±25 kHz) range. The IC uses the external RF signal to generate
its own power supply and internal clock reference. It is built into a standard micromod-
ule which is suitable for contactless R/W identification applications. It is a plastic
encapsulated package on a copper lead frame.
The micromodule contains the IDIC with an EEPROM memory grouped into 32 indi-
vidually addressable data blocks, and a 435-pF capacitor. Each block of the IDIC is
made up of 32 bits of data plus an associated lock bit for block write protection. Blocks
1 to 31 are provided for user-related data, block 0 is reserved for system
configuration.
Data is transmitted from the IC (uplink) using reflective load (back scatter) modulation.
This is achieved by damping the external RF field by switching a resistive load
between the two terminals Clock-A/Clock-B. The IC receives and decodes amplitude-
modulated data from the base station.
As soon as the tag including T5552 is exposed to an RF field (providing that the field
is strong enough to derive enough energy to operate), the tag will respond by continu-
ously transmitting stored data (uplink mode). The base station can, at any time, switch
the tag to downlink mode to write new user or configuration data. Generally, the tag
will automatically return to the default uplink mode when the downlink transfer is com-
pleted or interrupted or if an error condition occurs.
Read/Write IDIC
Micromodule
with 1 Kbit
Memory
T5552
4697B–RFID–06/06
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