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ST25R3911B
ST ST25R3911B User Manual
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Revision h
istory
UM2042
24/25
DocID029132 Rev 3
5 Revision
history
T
able 2. Document revision history
Date
Revision
Changes
23-Jun-2017
1
Initial release.
25-Jul-2017
2
Added
Section 4.1.3: Part
15.105
.
Updated
Section 4.1.4: FCC ID
a
nd
Section 4.2.3: IC ID
.
Updated
Figure 8:
PCB overview
,
Figure 9: PCB layout, top layer
and
Figure 12: PCB layout, bottom la
yer
.
15-Dec-2
017
3
Updated
Figure 1: ST25R391
1B-DISCO PCB (top view)
.
Updated
Section 2: Hardware
.
23
25
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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