ib technology
Micro RWD MC200 Protocol
The MicroRWD MC200 Reader mode is a complete reader and tag acceptance solution for
Microchip Technology MCRF 200-I/123 RFID read-only transponders (configured as RF/64
bit rate, direct ASK, Manchester coded with 0x802A header bytes)
Read MC200 Tag
Command to read 16 bytes of data from MCRF200 (128 bit) memory array. If the read was
successful, indicated by acknowledge status flags then 16 bytes of tag data follow.
B7 B0
Command:
Argument1:
Acknowledge:
0 1 0 1 0 0 1 0
x x x x x x x x
1 1 F F F F F X
(ASCII “R”, 0x52)
(Dummy Page number e.g 00)
(F = Status flags)
Data only follows if read was successful
Reply1:
Reply2:
Reply3:
|
|
v
Reply15:
Reply16:
D D D D D D D D
D D D D D D D D
D D D D D D D D
D D D D D D D D
D D D D D D D D
(D = msb data read from MCRF200)
(D = lsb data read from MCRF200)
Note that for the Read Tag command, if an error flag has been set in the Acknowledge code
then there will be NO following data.
17
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