lri2k STMicroelectronics, lri2k Datasheet - Page 60

• 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

Commands codes
20.12
60/89
Lock DSFID
On receiving the Lock DSFID request, the LRI2K locks the DSFID value permanently. The
Option_Flag is supported.
During the write cycle t
Otherwise, the LRI2K may not lock correctly the DSFID value in memory. The t
equal to t
Table 53.
Request parameter:
Table 54.
Response parameter:
Table 55.
Response parameter:
Figure 51. Lock DSFID frame exchange between VCD and LRI2K
Request SOF
Response SOF
Response SOF
LRI2K
LRI2K
VCD
UID (Optional)
No parameter.
Error code as Error_Flag is set:
–
–
1nom
11h: block is locked
14h: block not locked
SOF
Lock DSFID request format
Lock DSFID response format when Error_Flag is NOT set
Lock DSFID response format when Error_Flag is set
+ 18 × 302µs.
Request_
Flags
8 bits
Response_
Response_Flags
request
DSFID
Lock
Flags
8 bits
W
, there should be no modulation (neither 100% nor 10%).
8 bits
Lock DSFID
EOF
2Ah
Error code
<------------ t
<-t
8 bits
1
->
SOF
W
------------><- t
64 bits
UID
Lock DSFID
CRC16
response
16 bits
CRC16
16 bits
1
-> SOF
EOF
CRC16
16 bits
Lock DSFID
Lock sequence when
response
Response EOF
Response EOF
Request EOF
error
W
time is
EOF
LRI2K