Figure 39. Smartcard, Swp And Nfc - Schematic Diagram - STMicroelectronics STM32L476G-EVAL User Manual

Figure 39. Smartcard, SWP and NFC - schematic diagram

+3V3
R216
4K7
U30
1
CLKDIV1 AUX2UC
2
CLKDIV2 AUX1UC
3
5V/3V I/OUC
4
PGND XTAL2
+5V C136 100nF 5
C1+ XTAL1
6
Vddp OFF
7
C1- GND
C135 C138 C137 100nF 8
Vup Vdd
4.7uF
100nF 9
PRES RSTIN
10
PRES CMDVCC
11
I/O PORADJ
12
AUX2
13
AUX1 RST
14
CGND CLK
ST8024CDR
C117
100nF
SmartCard Connector
CN23
5
GND VCC
PB12 6
SWP_IO SWIO RST
7
I/O CLK
8
NC NC
C816
SmartCard and SWP
GND
C78
100nF
CN13
+3V3
7 8
PB15
NFC_MOSI 5 6
PF11
NFC_NSS 3 4
PB7
NFC_IRQOUTN 1 2
female conn 4X2
NFC kit reference: CR95HF-B
Operating Voltage: +3.3V
NFC
+3V3
R211 R212
10K 10K
IOExpander1
28 TP14 AUX2
27 TP15 AUX1
26 R210 0 PC4
25
24 PB0
23 IOExpander1
22
21
VDD
20
C112 R241 R213
19 C119
4.7uF 100K 100K
18 100nF
17
Vcc
16
15 +3V3
+3V3
R217
10K
R214 R215
100K 100K
R218
10K IOExpander1
1 IOExpander1
2
3
4
Operating range: 2.7<VDD<3.6V
17
R242
18
+3V3
100K
PB13
NFC_SCK
PB14
NFC_MISO
PB6
NFC_IRQINN
SmartCard_3/5V
SmartCard_IO
SmartCard_CLK
SmartCard_OFF
SmartCard_RST
SmartCard_CMDVCC
Title: SWP_SmartCard_NFC
Project: STM32L476G-EVAL
Size: A3 Reference: MB1144 Revision: B-02
Date: 6/24/2015 Sheet: 8 of 25