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ST25DV64K Scheda tecnica(PDF) 151 Page - STMicroelectronics

Il numero della parte ST25DV64K
Spiegazioni elettronici  Dynamic NFC/RFID tag IC with 4-Kbit, 16-Kbit or 64-Kbit EEPROM,and fast transfer mode capability
PDF  220 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25DV64K Scheda tecnica(HTML) 151 Page - STMicroelectronics

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ST25DV04K ST25DV16K ST25DV64K
RF operations
219
Response parameter:
•
No parameter. The response is sent back after the write cycle.
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error with no information given
7.6.32
Read Message Length
On receiving the Read Message Length command, the ST25DVxxx reads the
MB_LEN_Dyn register which contains the Mailbox message length and sends back its 8-bit
value in the response.
The Option_flag is not supported. The Inventory_flag must be set to 0.
Request parameters:
•
UID (optional)
Table 162. Write Message response format when Error_flag is set
Response
SOF
Response_flags
Error code
CRC16
Response
EOF
-
8 bits
8 bits
16 bits
-
Figure 60. Write Message frame exchange between VCD and ST25DVxxx
VCD
SOF
Write Message
request
EOF
ST25DVxxx
<-t1-> SOF
Write Message
response
EOF
Write sequence when
error
ST25DVxxx
<------------------- t1 ---------------> SOF
Write Message
response
EOF
Table 163. Read Message Length request format
Request
SOF
Request_flags
Read Message
Length
IC Mfg
code
UID(1)
1. Gray color means that the field is optional.
CRC16
Request
EOF
-
8 bits
ABh
02h
64 bits
16 bits
-



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