m24lr64-r STMicroelectronics, m24lr64-r Datasheet - Page 82

• Manufacturer Part Number: m24lr64-r
• Description: 64 Kbit Eeprom With Password Protection & Dual Interface 400 Khz I?c Serial Bus & Iso 15693 Rf Protocol At 13.56 Mhz
• Manufacturer: STMicroelectronics

Commands codes
26.6
82/126
Select
When receiving the Select command:
●
●
The M24LR64-R answers an error code only if the UID is equal to its own UID. If not, no
response is generated. If an error occurs, the M24LR64-R remains in its current state.
Table 48.
Request parameter:
●
Table 49.
Response parameter:
●
Table 50.
Response parameter:
●
Figure 56. Select frame exchange between VCD and M24LR64-R
Response
Response
Request
M24LR64
SOF
SOF
SOF
VCD
if the UID is equal to its own UID, the M24LR64-R enters or stays in the Selected state
and sends a response.
if the UID does not match its own, the selected M24LR64-R returns to the Ready state
and does not send a response.
UID
No parameter.
Error code as Error_flag is set:
–
–
-R
03h: the option is not supported
0Fh: error with no information given
Request_
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_
SOF
Response_flags
flags
8 bits
8 bits
Select
request
Select
25h
Error code
Doc ID 15170 Rev 9
8 bits
EOF
<-t
1
-> SOF
64 bits
UID
CRC16
16 bits
response
Select
CRC16
16 bits
EOF
CRC16
16 bits
M24LR64-R
Response
Response
Request
EOF
EOF
EOF