EMPROT Datasheet, PDF (9/17 Pages) rfsolutions.ltd – Micro RWD EM4102 Low Power Version

ib technology
Read EM4102 Tag
Command to read 5 bytes of data from EM4102 memory array. If the read was successful,
indicated by acknowledge status flags then five bytes of tag data follow.
Command:
Argument1:
B7
B0
01010010
x x x x xx x x
Acknowledge: 1 1 F F F F F X
(0x52)
(Dummy Page number e.g 00)
(F = Status flags)
Data only follows if read was successful
Reply1:
Reply2:
Reply3:
Reply4:
Reply5:
DDDDDDDD
DDDDDDDD
DDDDDDDD
DDDDDDDD
DDDDDDDD
(D = msb data read from EM4102)
(D = lsb data read from EM4102)
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.
Tag STATUS
Command to return Tag status.
The acknowledge byte flags indicate general Tag status.
Command:
B7
B0
01010011
(0x53)
Acknowledge: 1 1 F F F F F X
(F = Status flags)
Message
Command to return product and firmware identifier string to host.
Command:
Reply:
B7
B0
01111010
(0x7A)
“c IDE RD MC200/H400x (SECM200C_WAX_LP V1.xx) DD/MM/YY” 0x00
Returned string identifies author, product descriptor, project name, firmware version number
and date of last software change. Note that the string is always NULL terminated. The string
begins with a unique lower case character that can be used to identify a particular version of
Micro RWD.
9