lri2k STMicroelectronics, lri2k Datasheet - Page 66

• 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
20.17
66/89
Lock Kill
On receiving the Lock Kill command, the LRI2K locks the Kill code permanently. The
Option_Flag is supported. RFU bit 8 of the request flag must be set to ‘1’.
During the write cycle t
Otherwise, the LRI2K may not lock the memory block correctly. The t
t
Table 69.
Request parameters:
Table 70.
Response parameter:
Table 71.
Response parameter:
1nom
Request
Response SOF
Response SOF
SOF
(Optional) UID
Kill Address (bit 8 = ‘1’: 00h = KILL, other = Error)
Protect status (see table below)
b
No parameter.
Error code as Error_Flag is set:
–
–
–
0
+ 18 × 302 µs.
7
10h: block address not available
11h: block is locked
14h: block not locked
Request_
Flags
Lock Kill request format
8 bits
Lock Kill response format when Error_Flag is NOT set
Lock Kill response format when Error_Flag is set
b
0
6
Response_Flags
Response_Flags
Lock
W
B2h
Kill
8 bits
, there should be no modulation (neither 100% nor 10%).
8 bits
b
0
5
IC Mfg
code
02h
Error code
b
0
4
8 bits
64 bits
UID
b
0
3
CRC16
16 bits
access
CRC16
Kill
00f
16 bits
b
0
2
Protect
Status
8 bits
W
time is equal to
b
0
CRC16
Response EOF
1
16 bits
Response EOF
Request
EOF
b
LRI2K
1
0