lri2k STMicroelectronics, lri2k Datasheet - Page 59

• 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
20.11
Write DSFID
On receiving the Write DSFID request, the LRI2K writes the DSFID byte value into its
memory. The Option_Flag is supported.
During the write cycle t
Otherwise, the LRI2K may not write correctly the DSFID value in memory. The t
equal to t
Table 50.
Request parameters:
Table 51.
Response parameter:
Table 52.
Response parameter:
Figure 50. Write DSFID frame exchange between VCD and LRI2K
Request
Response SOF
LRI2K
LRI2K
Response SOF
SOF
VCD
UID (Optional)
DSFID
No parameter.
Error code as Error_Flag is set:
–
–
1nom
12h: block is locked
13h: block not programmed
Request_
SOF
Write DSFID request format
Write DSFID response format when Error_Flag is NOT set
Write DSFID response format when Error_Flag is set
Flags
8 bits
+ 18 × 302µs.
Response_
request
DSFID
Write
Flags
8 bits
Response_Flags
W
DSFID
Write
, there should be no modulation (neither 100% nor 10%).
29h
8 bits
EOF
Error code
8 bits
<-t
<------------ t
1
-> SOF
64 bits
UID
W
------------><- t
Write DSFID
response
CRC16
16 bits
CRC16
16 bits
DSFID
8 bits
1
-> SOF
EOF
CRC16
Write sequence when
Write DSFID
16 bits
Commands codes
response
Response EOF
Response EOF
error
W
time is
Request
EOF
EOF
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