m24lr16e-r STMicroelectronics, m24lr16e-r Datasheet - Page 103

• Manufacturer Part Number: m24lr16e-r
• Description: 16 Kbit Eeprom With Password Protection, Dual Interface & Energy Harvesting 400 Khz I²c Bus & Iso 15693 Rf Protocol At 13.56 Mhz
• Manufacturer: STMicroelectronics

M24LR16E
Request parameter:
●
●
●
●
Table 78.
Response parameter:
●
Table 79.
Response parameter:
●
.
Figure 67. Write-sector Password frame exchange between VCD and M24LR16E-R
Response
Response
M24LR16E-R
M24LR16E-R
SOF
SOF
Request flags
UID (optional)
Password number (01h = Pswd1, 02h = Pswd2, 03h = Pswd3, other = Error)
Data
no parameter.
Error code as Error_flag is set:
–
–
–
–
VCD
10h: the password number is incorrect
12h: the session was not opened before the password update
13h: the specified block was not successfully programmed
0Fh: the presented password is incorrect
Write-sector Password response format when Error_flag is NOT set
Write-sector Password response format when Error_flag is set
Response_
8 bits
flags
SOF
Response_flags
8 bits
Password
request
sector
Write-
Error code
Doc ID 018932 Rev 7
8 bits
EOF
<-t
<---------------- W
1
-> SOF
Write-sector
t
Password
response
-------------> SOF
CRC16
16 bits
CRC16
16 bits
EOF
Command codes
Password
response
Write sequence
sector
Write-
when error
Response
Response
EOF
EOF
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EOF