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ST25R3911B
ST ST25R3911B User Manual
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UM2042
Hardware
DocID029132 Rev 3
9/25
Figure 3. Schematic
s overview
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Project Overview.SchDoc
Title
Size:
Number:
Date:
File:
Revision:
Sheet
of
Time:
A4
ST25R3911B-DISCO
MDG NFC & Reader Competence Center
PM/USB_con
U_Power Management
Power Management.SchDoc
Antenna_Con
U_Antenna
Antenna.SchDoc
SPI/Power_Con
PM/USB_con
U_Microcontroller
Microcontroller.SchDoc
Antenna_Con
SPI/Power_Con
U_ST25R3911B
ST25R3911B.SchDoc
8
10
Table of Contents
Default Chapter
2
Table of Contents
2
Quick Start
5
Getting Started
5
System Requirements
5
Hardware
6
Block Diagram
6
Schematics
6
Figure 2. Functional Block Diagram
6
St25R3911B
7
Stm32L4 Mcu
7
USB Connectivity and Power Supply
7
Antenna and Matching Network Components
8
Figure 3. Schematics Overview
9
Figure 4. USB Interface
10
Figure 5. STM32L476 Schematics
11
Figure 6. ST25R3911B Schematics
12
Figure 7. Antenna and Matching Network Schematics
13
PCB Layout
14
PCB Overview
14
PCB Layers
14
Figure 8. PCB Overview
14
Figure 9. PCB Layout, Top Layer
16
Figure 10. PCB Layout, MID Layer 1
17
Figure 11. PCB Layout, MID Layer 2
18
Antenna Matching
20
Figure 13. VHBR Matching with an AAT Setting of 8
20
Figure 14. NFC Forum Matching with an AAT Setting of 11
21
Federal Communications Commission (FCC) and Industry Canada (IC) Compliance Statements
22
FCC Compliance Statement
22
Part 15.19
22
Part 15.21
22
Part 15.105
22
Fcc ID
22
Formal Notices Required by the Industry Canada ("IC")
22
Compliance Statement
22
Declaration de Conformité
23
IC ID
23
Revision History
24
Figure 1. ST25R3911B-DISCO PCB (Top View)
24
Figure 12. PCB Layout, Bottom Layer
24
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ST ST25R3911B Specifications
General
Brand
ST
Model
ST25R3911B
Category
Microcontrollers
Language
English
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