MLX90129 View Datasheet(PDF) - Melexis Microelectronic Systems
Part Name
Description
Manufacturer
MLX90129 Datasheet PDF : 60 Pages
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MLX90129
13.56MHZ SENSOR TAG / DATALOGGER IC
LOCK DEVICE (B01F)
When receiving the Lock Device request, the transponder switches to Locked state in this case any attempt to have an access to
its memory or devices (whether read or write) results with an error response.
Request format:
S Flags
O 8 bits
F 00xx 001x
Lock Device
8 bits
1011 0000 0001 1111
UID
CRC 16 E
64 bits
16 bits O
(Optional)
F
UNLOCK DEVICE (B11F)
When receiving the ‘Unlock device’ request, the transponder shall return device from Locked state. A security procedure based
on a password is required to execute the unlocking. The password is in EEPROM #06.
Request format:
S Flags
Unlock Device
UID
Password CRC 16 E
O 8 bits
8 bits
64 bits
16 bits
16 bits O
F 00xx 001x 1011 0001 0001 1111
(Optional)
F
UPDATE REGISTER FILE (C01F)
Update register file command is used to quick update of contents of Register file via DMA within the image stored in EEPROM.
Request format:
S Flags
O 8 bits
F 00xx 001x
Update Register File
8 bits
1100 0000 0001 1111
UID
CRC 16 E
64 bits
16 bits O
(Optional)
F
LOCK PAGE (D01F)
When receiving the ‘Lock Page’ request, the transponder shall lock the requested EEPROM Page.
Request format:
S Flags
O 8 bits
F 00xx 001x
Unlock Device
8 bits
1101 0000 0001 1111
UID
64 bits
(Optional)
Page number
8 bits
CRC 16 E
16 bits O
F
UNLOCK PAGE (D11F)
When receiving the ‘Unlock Page’ request, the transponder shall unlock the requested Page. A security procedure based on a
password is required to execute the unlocking. The password is in EEPROM #06.
Request format:
S
Flags
O
8 bits
F
00xx 001x
Unlock Device
8 bits
1101 0001 0001 1111
UID
64 bits
(Optional)
Page number Password CRC 16 E
8 bits
16 bits
16 bits O
F
REVISION 011 - JUNE 13, 2017
3901090129
Page 28 of 60
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