TK5552 ATMEL Corporation, TK5552 Datasheet - Page 16

• Manufacturer Part Number: TK5552
• Description: Read/Write Transponder
• Manufacturer: ATMEL Corporation

16
TK5552
Figure 20. Operation of Bit Decoder – Data Stream Decoder
count field clocks FC
YES
Start gap detected
Enter error handler
Downlink mode
FC count > 64 ?
gap detected ?
® "Bit Error"
48 £ FC £ 64
Uplink mode
Uplink mode
16 £ FC £ 32
YES
NO
NO
NO
?
?
?
YES
YES
YES
NO
NO
'0' into shift register
'1' into shift register
Data stream check
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4698A–RFID–04/03