lri2k STMicroelectronics, lri2k Datasheet - Page 55

• 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
20.7
Select
When receiving the Select command:
The LRI2K answers an error code only if the UID is equal to its own UID. If not, no response
is generated.
Table 38.
Request parameter:
Table 39.
Response parameter:
Table 40.
Response parameter:
Figure 46. Select frame exchange between VCD and LRI2K
Response SOF Response_Flags
Request
Response SOF
LRI2K
SOF
VCD
if the UID is equal to its own UID, the LRI2K enters or stays in the Selected state and
sends a response.
if the UID does not match its own, the selected LRI2K returns to the Ready state and
does not send a response.
UID
No parameter.
Error code as Error_Flag is set:
–
0Fh: other error
Request_
SOF
Select request format
Select Block response format when Error_Flag is NOT set
Select response format when Error_Flag is set
Flags
8 bits
Response_Flags
request
Select
Select
8 bits
25h
8 bits
EOF
Error code
<-t
8 bits
1
->
64 bits
UID
SOF
response
CRC16
16 bits
Select
CRC16
16 bits
EOF
CRC16
16 bits
Commands codes
Response EOF
Response EOF
Request
EOF
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