ST ST25R3911B User Manual

Hardware UM2042 12/25 DocID029132 Rev 3
Figure 6. ST25R3911B schematics
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3
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C C
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A A
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31.05.2017 10:09:36
ST25R3911B.SchDoc
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A4
ST25R3911B-DISCO
MDG NFC & Reader Competence Center
GND
GND
GND
GND
CSO
CSI
TRIM1_0
TRIM1_1
TRIM1_2
TRIM1_3
TRIM2_0
TRIM2_1
TRIM2_2
TRIM2_3
RFO1
RFO2
RFI1
RFI2
SEN_11
MISO_11
MOSI_11
SCLK_11
INTR_11
VSP_RF
VSP_RF
J301
C303
d.n.p.
GND
CSO_out
GND GND
GNDGND
GND
1
GND
3
2
P301
d.n.p.
GND
1
GND
3
2
P302
d.n.p.
V_RF_3911
RFI1
RFI2
RFO1
RFO2
TRIM1_0
TRIM1_1
TRIM1_2
TRIM1_3
TRIM2_0
TRIM2_1
TRIM2_2
TRIM2_3
Antenna_Con
Antenna_Con
TRIM2_0
TRIM2_1
TRIM2_2
TRIM2_3
TRIM1_0
TRIM1_1
TRIM1_2
TRIM1_3
RFO1
RFO2
RFI2
RFI1
INTR_11
MISO_11
MOSI_11
SCLK_11
SEN_11
ST25R3911 NFC Initiator / HF Reader
Controller Interface
Antenna Connection
VSP_A VSP_D AGD
V_RF
GNDGND
GND
SEN
INTR
MISO
MOSI
SCLK
V_RF
3_3V
MCU_CLK
SPI/Power_Con
3V3
JP301
d.n.p.
J303
open
J302
d.n.p.
GND
V_RF
3V3
C302
C_100n_0402_X7R
C301
C_1μ_0402_X5R
C304
C_100n_0402_X7R
Y301
C308
C_8p2_0402
C307
C_8p2_0402
C309
C_10n_0402_X7R
C310
C_10n_0402_X7R
C311
C_10n_0402_X7R
C312
C_10n_0402_X7R
C313
C_2μ2_0402_X5R
C314
C_2μ2_0402_X5R
C315
C_2μ2_0402_X5R
C316
C_1μ_0402_X5R
R306
C305
C_12p_0402
R307
C306
C_12p_0402
CSI_out
GND
R301
R302
R303
R304
R305
SPI/Power_Con
L301
FB_0603
V_RF_3911
ST25R3911
VDD_IO
1
CSO
2
VSP_D
3
XTO
4
XTI
5
VSN_D
6
VSP_RF
9
RFO1
10
RFO2
11
VSN_RF
12
TRIM1_3
13
TRIM2_3
14
TRIM1_0
19
TRIM2_0
20
VSS
21
RFI1
22
RFI2
23
AGD
24
IRQ
27
MCU_CLK
28
MISO
29
MOSI
30
SCLK
31
/SS
32
VSP_A
7
VDD
8
TRIM1_2
15
TRIM2_2
16
TRIM1_1
17
TRIM2_1
18
CSI
25
VSN_A
26
EP VSUB
33
NFC Initiator / HF Reader IC
U301
ST25R3911B

ST ST25R3911B Specifications

General

Brand	ST
Model	ST25R3911B
Category	Microcontrollers
Language	English