MAX66120 MAXIM [Maxim Integrated Products], MAX66120 Datasheet - Page 17

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MAX66120

Manufacturer Part Number
MAX66120
Description
ISO 15693-Compliant 1Kb Memory Fob Powered Entirely Through the RF Field
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
Legend:
The Lock Block command permanently locks (write pro-
tects) the selected block and reports the success of the
operation in the response. Locking a block takes
t
byte is updated. The block protection can alternatively
be achieved by direct writing to memory block 11.
Before using the Lock Block command, the final block
data should be defined and written to the device.
* If this command is processed without any error, the slave responds with a response flags byte of 00h.
PROG
CODE
00h
01h
. The response is transmitted after the protection
REQUEST FLAGS
REQUEST FLAGS
Response Data for the Read Single Block Command (No Error, Option_flag Not Set)
The memory block is not protected.
The memory block is write protected.
RESPONSE FLAGS
(1 Byte)
(1 Byte)
Response Data for the Read Single Block Command (No Error, Option_flag Set)
00h
______________________________________________________________________________________
RESPONSE FLAGS
ISO 15693-Compliant 1Kb Memory Fob
00h
COMMAND
COMMAND
Lock Block
22h
20h
SECURITY STATUS CODE EXPLANATION
SECURITY STATUS
Request Data for the Read Single Block Command
(1 Byte)
Request Data for the Lock Block Command*
The Read Single Block command allows for retrieving
the data of a single memory block. This command uses
one command-specific parameter, which is the memory
block number. Valid block numbers are 00h to 11h. If
the Option_flag bit is set, the response includes the
block’s security status.
(8 Bytes)
(8 Bytes)
UID
UID
MEMORY DATA
(8 Bytes)
MEMORY DATA
Read Single Block
(8 Bytes)
BLOCK NUMBER
BLOCK NUMBER
(1 Byte)
(1 Byte)
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