ata556714n-ddt1 ATMEL Corporation, ata556714n-ddt1 Datasheet - Page 2
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ata556714n-ddt1
Manufacturer Part Number
ata556714n-ddt1
Description
Multifunctional 330-bit Read/write Rf Identification Ic
Manufacturer
ATMEL Corporation
Datasheet
1.ATA556714N-DDT1.pdf
(36 pages)
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2. System Block Diagram
3. ATA5567 – Building Blocks
3.1
2
Analog Front End (AFE)
ATA5567
Figure 2-1.
Figure 3-1.
The AFE includes all circuits which are directly connected to the coil. It generates the IC’s power
supply and handles the bi-directional data communication with the reader. It consists of the fol-
lowing blocks:
• Rectifier to generate a DC supply voltage from the AC coil voltage
• Clock extractor
• Switchable load between Coil 1 and Coil 2 for data transmission from the tag to the reader
• Field gap detector for data transmission from the base station to the tag
• ESD protection circuitry
Base station
Reader
or
RFID System Using ATA5567 Tag
Block Diagram
Coil 1
Coil 2
1)
Mask option
1
)
Power
Data
1)
Modulation
Mask option
Mode register
Controller
Test logic
1
)
Transponder
ATA5567
HV generator
Input register
EEPROM)
Memory
(330-bit
Memory
POR
4874E–RFID–10/07
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