參數(shù)資料
型號(hào)： MCP455S
廠商： Microchip Technology Inc.
英文描述： 13.56 MHz Read/Write Passive RFID Device
中文描述： 13.56 MHz讀/寫無源RFID器件
文件頁數(shù)： 19/50頁
文件大?。?/td> 1172K
代理商： MCP455S
2003 Microchip Technology Inc.
DS40232H-page 19
MCRF450/451/452/455
FIGURE 6-1:
ANTI-COLLISION FLOW CHART
FR Bit
Set
No
No
Yes
No
No
No
Listen for FRB Command
Decode FRR Command
FRB
Received
Send FRR Response
(Tag ID + FRF data)
Send FRB Response
Wait 1, 16, or 64 Time Slot
No
Yes
Yes
No
No
Yes
Yes
Execute
Command
Wait for Commands
Decode Command
at Correct Speed
Valid
Command
Read or Write
Command
End
Command
Maintain
Logic State
REACTIVATION
PROCESSING
SLEEPING
Talk-First
Bit Set
Yes
Yes
Yes
Yes
Power-up
TC > 0
FRR
Command
1
TCMAX
ELAPSED
PPM
Symbol
Clear Position 1 Flag
Listening
Window
Expired
Receiving
3 PPM
Symbols
3rd Symbol
=MC1
Correct
Matching
Code
3rd Symbol
=MC2
Set Position 1 Flag
Clear Processing Flag
Position 1
Flag Set
Increment
Transmission
Counter (TC)
No
Yes
No
No
No
Yes
No
No
Yes
Yes
Correct
Matching
Code
Yes
No
Yes
No
Yes
Yes
No
Yes
No
Window Expired
Set Processing Flag
Processing
Flag Set
Yes
Processing
Flag Set
Yes
No
Yes
No
Yes
Receiving
Listening
3 PPM
Symbols
3rd Symbol
=MC2
Correct Matching
Code
No
Yes
No
Yes
No
Yes
No
No
in Tuned State
TC=0
Set Processing Flag
(Tag ID: Block 1 Data)
(Do not listen to
any command)
DETECTION
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