m24lr16e-r STMicroelectronics, m24lr16e-r Datasheet - Page 116
m24lr16e-r
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
Datasheet
1.M24LR16E-R.pdf
(143 pages)
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Command codes
26.23
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ReadCfg
On receiving the ReadCfg command, the M24LR16E-R reads the Configuration byte and
sends back its 8-bit value in the response.
The Protocol_extension_flag should be set to 0 for the M24LR16E-R to operate correctly. If
the Protocol_extension_flag is at 1, the M24LR16E-R answers with an error code. The
Option_flag is not supported. The Inventory_flag must be set to 0.
Table 103. ReadCfg request format
1. Gray means that the field is optional.
Request parameters:
●
Table 104. ReadCfg response format when Error_flag is NOT set
Response parameters:
●
Table 105. ReadCfg response format when Error_flag is set
Response parameter:
●
Figure 74. ReadCfg frame exchange between VCD and M24LR16E-R
Response
Request
Response SOF
M24LR16E-R
SOF
SOF
UID (optional)
One byte of data: Configuration byte
Error code as Error_flag is set
–
–
VCD
03h: the option is not supported
0Fh: error with no information given
Request_
8 bits
flags
Response_
8 bits
flags
SOF
Response_flags
ReadCfg
A0h
ReadCfg request
8 bits
Error code
Doc ID 018932 Rev 7
8 bits
IC Mfg code
02h
EOF
8 bits
Data
<-t
1
-> SOF ReadCfg response EOF
64 bits
UID
CRC16
16 bits
(1)
CRC16
16 bits
CRC16
16 bits
Response
M24LR16E
Response
EOF
Request
EOF
EOF
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