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ST25R3916B 데이터시트(PDF) 18 Page - STMicroelectronics

부품명 ST25R3916B
상세설명  NFC reader for payment, consumer and industrial applications
PDF  165 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25R3916B 데이터시트(HTML) 18 Page - STMicroelectronics

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Description
ST25R3916B ST25R3917B
18/165
DS13541 Rev 7
In Transparent mode the framing and FIFO are bypassed. The digitized subcarrier signal
directly drives the MISO pin.
2.2.13
FIFO
The ST25R3916B and ST25R3917B contain a 512-byte FIFO. Depending on the direction
of the data transfer, it contains either data which has been received or data which is to be
transmitted.
In reader mode the ST25R3916B and ST25R3917B can transmit frames of up to 8191 bytes
length and receive frames of arbitrary length.
2.2.14
Control logic
The control logic contains I/O registers that define the operation of device.
2.2.15
Host interface
A 4-wire serial peripheral interface (SPI) and a 2-wire I2C interface are available to
communicate with an external microcontroller. The pins for the SPI and the I2C interface are
shared, and pin I2C_EN is used to select the active interface.
2.2.16
Passive target memory
The device contains a 48-byte RAM to store configuration data for the passive target and
card emulation mode.
2.2.17
P2RAM
The P2RAM stores information on wafer number, die position, device subversion, and I2C
address. The P2RAM is programmed during production.



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