M24LR64-RDW6T2 STMICROELECTRONICS [STMicroelectronics], M24LR64-RDW6T2 Datasheet - Page 83

• Manufacturer Part Number: M24LR64-RDW6T2
• Description: 64 Kbit EEPROM with password protection & dual interface
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M24LR64-R
26.6
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
Doc ID 15170 Rev 10
Error code
8 bits
EOF
<-t
1
-> SOF
64 bits
UID
CRC16
16 bits
response
Select
CRC16
16 bits
EOF
CRC16
16 bits
Commands codes
Response
Response
Request
EOF
EOF
EOF
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