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ST25DV64KC Scheda tecnica(PDF) 3 Page - STMicroelectronics

Il numero della parte ST25DV64KC
Spiegazioni elettronici  Dynamic NFC/RFID tag IC with 4-Kbit, 16-Kbit or 64-Kbit EEPROM, fast transfer mode capability and optimized I2C
PDF  203 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25DV64KC Scheda tecnica(HTML) 3 Page - STMicroelectronics

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Description
The ST25DV04KC, ST25DV16KC and ST25DV64KC devices are NFC RFID tags offering respectively
4
‑Kbit, 16‑Kbit, and 64‑Kbit of electrically erasable programmable memory (EEPROM). The ST25DV04KC,
ST25DV16KC and ST25DV64KC offer two interfaces. The first one is an I2C serial link and can be operated
from a DC power supply. The second one is an RF link activated when the ST25DV04KC, ST25DV16KC and
ST25DV64KC act as a contactless memory powered by the received carrier electromagnetic wave.
In I2C mode, the ST25DV04KC, ST25DV16KC and ST25DV64KC user memories contain up to 512 bytes, 2048
bytes and 8192 bytes, which could be split in 4 flexible and protectable areas.
In RF mode, following ISO/IEC 15693 or NFC forum type 5 recommendations, the ST25DV04KC, ST25DV16KC
and ST25DV64KC user memory contains respectively up to 128 blocks, 512 blocks and 2048 blocks of 4 bytes
which could be split in 4 flexible and protectable areas.
The ST25DV04KC, ST25DV16KC and ST25DV64KC offer a fast transfer mode between the RF and contact
worlds, thanks to a 256 byte volatile buffer (also called Mailbox). In addition, the GPO pin of the ST25DV04KC,
ST25DV16KC and ST25DV64KC provides data informing the contact world about incoming events, like RF field
detection, RF activity in progress or mailbox message availability. An energy harvesting feature is also proposed
when external conditions make it possible.
Herein after all concerned devices (ST25DV04KC, ST25DV16KC and ST25DV64KC) are mentioned as
ST25DVxxKC.
1.1
ST25DVxxKC block diagram
Figure 1. ST25DVxxKC block diagram
LPD1
AC0
AC1
V_EH
VDCG1
GPO
Vcc
SDA
SCL
Vss
1.8V VOLTAGE
REGULATOR
RF INTERFACE
28.5pF tuning
capacitance
Up to 64Kbits User memory
256 Bytes
BUFFER
ISO/IEC 15693
PROTOCOL
AND CONTROL
MEMORY
CONTROL
DIGITAL UNIT CONTROL
ENERGY
HARVESTING
CONTROL
FAST TRANSFER
CONTROL
ANALOG FRONT END
ENERGY
HARVESTING
I2C
INTERFACE
I2C CONTROL
EEPROM
System
registers
Dynamic
registers
1.
VDCG and LPD are included in the 10-ball and 12-pin package only.
ST25DV04KC ST25DV16KC ST25DV64KC
Description
DS13519 - Rev 3
page 3/203



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