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ST25R100 数据表(PDF) 4 Page - STMicroelectronics

部件名 ST25R100
功能描述  NFC/HF RFID reader IC
PDF  86 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST25R100 数据表(HTML) 4 Page - STMicroelectronics

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2
Functional overview
2.1
Block diagram
The ST25R100 block diagram is shown in Figure 1.
Figure 1. Block diagram
Regulators
VDD_D
VDD_A
XTAL
OSCILLATOR
POR
Ref.
Bias
XTO
XTI
RC
OSCILLATOR
DIGITAL
SPI
FIFO (RAM)
256 Bytes
CONTROL
LOGIC
SPI
INTERFACE
RX
FRAMING
WAKE – UP
TIMER
LEVEL
SHIFTERS
VDD_IO
RESET
TX CODING
RX
Correlator
OTP
16 Bytes
Protocol timers
(MRT, NRT,
GPT)
VDD_AM
VDD AGD
Regulators
VDD_DR
VDD_AM
RECEIVER
848kHz
ADC Dual
RFI1
RFI2
IRQ
TRANSMITTER
OOK mod
ASK mod
RFO1
RFO2
VDD_DR
GND_DR
GND_A
Registers
VDD_A
VDD_D
ST25R100
Functional overview
DS14139 - Rev 5
page 4/86



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