MLX90129 Просмотр технического описания (PDF) - Melexis Microelectronic Systems
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MLX90129 Datasheet PDF : 60 Pages
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MLX90129
13.56MHZ SENSOR TAG / DATALOGGER IC
READ MULTIPLE BLOCKS (23)
When receiving the “Read Multiple Block” command, the transponder shall read the requested block(s) and send back their value
in the response. The blocks are numbered from ‘00’ to ‘FF’. The number of blocks in the request is one less than the number of
blocks that the 90129 shall return in its response.
Request format:
S Flags
Read Multiple Block UID
First
block Number CRC 16 E
O
address
of blocks
O
F 8 bits
8 bits
64 bits
8 bits
8 bits
16 bits F
00xx 001x 0010 0011
(Optional)
N
Response format (if no error):
S Flags
Data
CRC 16 E
O 8 bits
(N+1)*16 bits 16 bits O
F 0000 0000
F
SELECT (25)
When receiving the Select command:
_ if the UID is equal to its own UID, the 90129 shall enter the selected state and shall send a response.
_ if it is different, the 90129 shall stay at previous state and shall not send a response. The Select command must be always in
Addressed mode. (The Select_flag is set to 0. The Address_flag is set to 1.)
Request format:
S Flags
O 8 bits
F 0010 001x
Read Single Block
8 bits
0010 0101
UID
64 bits
CRC 16 E
16 bits O
F
RESET TO READY (26)
When receiving the Reset To Ready command, the transponder shall return to the Ready state
Request format:
S Flags
O 8 bits
F 01xx 001x
Reset to ready
8 bits
0010 0110
UID
64 bits
CRC 16 E
16 bits O
F
MLX90129 custom commands frame contents
READ REGISTER FILE (A01F)
When receiving the Read register file request, the transponder shall read the requested block from Register File and send back its
value in the response.
Request format:
S Flags
O 8 bits
F 00xx 001x
Read Register File
8 bits
1010 0000 0001 1111
UID
64 bits
(Optional)
Block address
8 bits
CRC 16 E
16 bits O
F
Response format (if no error):
S Flags
Data
CRC 16 E
O 8 bits
16 bits
16 bits O
F 0000 0000
F
REVISION 011 - JUNE 13, 2017
3901090129
Page 25 of 60
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