LRIS64K Datasheet, PDF (87/100 Pages) STMicroelectronics – 64 Kbit EEPROM tag IC at 13.56 MHz with 64-bit UID and password based on ISO/IEC 15693 and ISO/IEC 18000-3 Mode 1

LRIS64K
Commands codes
24.20
Fast Read Multiple Block
On receiving the Fast Read Multiple Block command, the LRIS64K reads the selected
blocks and sends back their value in multiples of 32 bits in the response. The blocks are
numbered from '00h to '7FFh' in the request and the value is minus one (–1) in the field. For
example, if the “number of blocks” field contains the value 06h, 7 blocks are read. The
maximum number of blocks is fixed to 32 assuming that they are all located in the same
sector. If the number of blocks overlaps sectors, the LRIS64K returns an error code.
The Protocol_extention_flag should be set to 1 for the LRIS64K to operate correctly. If the
Protocol_extention_flag is at 0, the LRIS64K answers with an error code.
The Option_flag is supported. The data rate of the response is multiplied by 2.
Table 85. Fast Read Multiple Block request format
Request Request_
SOF
flags
Fast
Read
Multiple
Block
IC Mfg
code
UID⁽¹⁾
First
block
number
Number
of
blocks
CRC16
Request
EOF
8 bits
C3h
02h
64 bits
16 bits 8 bits 16 bits
1. Gray means that the field is optional.
Request parameters:
● Option_flag
● UID (Optional)
● First block number
● Number of blocks
Table 86. Fast Read Multiple Block response format when Error_flag is NOT set
Response Response_
SOF
flags
Sector
security
status⁽¹⁾
Data
CRC16
Response
EOF
8 bits
8 bits⁽²⁾
32 bits⁽²⁾
16 bits
1. Gray means that the field is optional.
2. Repeated as needed.
Response parameters:
● Sector security status if Option_flag is set (see Table 87: Sector security status if
Option_flag is set)
● N block of data
Table 87. Sector security status if Option_flag is set
b₇
b₆
b₅
b₄
b₃
b₂
b₁
b₀
Reserved for future use.
All at 0
password
control bits
Read / Write 0: Current sector not locked
protection bits 1: Current sector locked
Doc ID 15336 Rev 11
87/100