Figure 4.
X-NUCLEO-NFC08A1 circuit schematic (2 of 3)
RFI1
RFI2
RFO1
RFO2
AAT_A
AAT_B
Ext_LM
Antenna_Con
Antenna_Con
AAT_A
RFO1
AAT_B
RFO2
RFI2
RFI1
SPI/Power Supply
INTR_16
MISO_16
MOSI_16
SCLK_16
ST25R3916 NFC Initiator / HF Reader
Controller Interface
Antenna Connection
SEN_16
SEN
INTR
MISO
MOSI
SCLK
V_RF
3V3
SDA
SCL
SPI/Power_Con
V_RF
3V3
GND
GND
GND
GND
GNDGNDGND
GNDGND
V_RF
GNDGND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
RFO1
RFO2
3
TP20
AAT_B
A
AAT_
4
RFI2
TP20
RFI1
AAT_A
AAT_B
3V3
VDD
Ext_LM
AAT_B
1
VDD_IO
2
CSO
3
VDD_D
4
XT
O
5 6
X G
T N
I D_D
7
VDD_A
8
VDD
9
VDD_RF
10
VDD_TX
11
VDD_AM
12
GND_DR
RFO1 13
14
VDD_DR
RFO2
15
16
GND_DR
17
Ext_LM
18
AA
T_A
19
AA
T_B
20
I2C_EN
VSS
21
RFI1
22
23
AGDC
RFI2
24
25
26
G
CSI
ND_A
27
28
IRQ
MCU_CLK
29
3
3
3
0
2
1
MO
BSS
SCL
MISO
SI
K
3916B
HF Reader IC
ST25R
U200
C201
GND
C_10n_0402_X7R
INTR_16
SEN_16
SCLK_16
MOSI_16
MISO_16
GND
GND
TP201
C213
C_10p_0603
C214
C_10p_0603
C208
C_10n_0402_X7R
C209
C210
C_10n_0402_X7R
C_2µ2_0402_X5R
C211
C_10n_0402_X7R
C212
C_2µ2_0402_X5R
C215
C_10n_0402_X7R
C216
C206
C_2µ2_0402_X5R
10n_0402_X7R
C207
2µ
2_0402_X5R
C202
22n_0402_X7R
C203
C204
2µ
2_0402_X5R-NC
10n_0402_X7R
1
2
P200
U.FL-R-SMT-1 NC
1
2
P202
U.FL-R-SMT-1 NC
AAT_A
GND
GND
TP200
TP202
R205
0R
0R NC R204
GND
Y200
VDD_RF
VDD_RF
VDD_AM
C200
µ
XC_1_0402_5R
VDD_D
VDD_A
VDD_D
C205
2µ2_0402_X5R
VDD_TX
C217
C_10n_0402_X7R_NC
GND
C218
C_2µ2_0402_X5R-NC
GND
Ext_LM
UM3007
-
Rev 1
page 9/18
UM3007
Schematic diagrams
