lri2k STMicroelectronics, lri2k Datasheet - Page 49

• Manufacturer Part Number: lri2k
• Description: 13.56 Mhz, 2048-bit Eeprom Tag Ic With 64-bit Uid And Kill Code, Iso 15693 And Iso 18000-3 Mode 1 Compliant
• Manufacturer: STMicroelectronics

LRI2K
20.3
Read Single Block
On receiving the Read Single Block Command, the LRI2K reads the requested block and
sends back its 32 bits value in the response. The Option_Flag is supported.
Table 24.
Request parameters:
Table 25.
Response parameter:
Table 26.
Table 27.
Response parameter:
Response SOF
Response
Request
SOF
b
SOF
7
Option_Flag
UID (Optional)
Block Number
Block Locking Status if Option_Flag is set (see
4 bytes of Block Data
Error code as Error_Flag is set:
–
–
0Fh: other error
10h: block address not available
b
Request_flags
6
Response_
Read Single Block request format
Read Single Block response format when Error_Flag is NOT set
Block Locking status
Read Single Block response format when Error_Flag is set
Flags
8 bits
8 bits
b
Response_
5
Flags
8 bits
all 0
b
4
locking
status
Block
8 bits
Single
Block
Read
20h
b
Error code
3
8 bits
b
2
64 bits
UID
32 bits
Data
b
1
Table 26: Block Locking
0: Current Block not locked
1: Current Block locked
number
CRC16
16 bits
Block
8 bits
CRC16
16 bits
CRC16
16 bits
b
Commands codes
0
Response EOF
status)
Response
Request
EOF
EOF
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