Figure 40. Usart And Irda - Schematic Diagram - ST STM32L476G-EVAL User Manual

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Figure 40. USART and IrDA - schematic diagram

100nF
C62 U10
28
C1+ VCC
24
C1- GND
C64 1
C2+ V+
100nF 2
C2- V-
USART1_RTS_3V3 14
T1IN T1OUT
13
T2IN T2OUT
12
T3IN T3OUT
21
R1OUTB
GND
20
Bootloader_BOOT0_3V3 R2OUTB
19
R1OUT R1IN
18
R2OUT R2IN
17
Bootloader_RESET_3V3 R3OUT R3IN
16
R4OUT R4IN
PG11 R93 0 15
USART1_CTS_3V3 R5OUT R5IN
23
nEN nSHDN
ST3241EBPR
R158 [N/A]
PG8
LPUART_RX_3V3
JP15
PB7
USART1/IrDA_RX_3V3 1 2
IRDA_RX
3 4
5 6 NFC_IRQOUTN
PG7 R119 [N/A] Header 3X2
LPUART_TX
+3V3 C69
PB6 R118 0 C66 VDD U12 100nF
USART1_TX
100nF 1 8
VCCA VCCB
2 7
A1 B1
PG12 R116 0 3 6
USART1_RTS A2 B2
4 5
GND DIR
R114 R117 SN74LVC2T45DCUT VDD
100K 100K
VDD
USART
CN9
+3V3 DB9-male
C61 1
26 100nF DSR 6
25 RXD 2
27 C65 RTS 7
3 100nF TXD 3
C63 CTS 8
9 100nF 4
10 9
11 5
4
5 GND
6
7
8
+3V3
22
NFC_IRQINN
R113
0
+3V3
R112 5.1
R115 47
C71
C70
USART1_RTS_3V3
4.7uF
100nF
C67
C68
4.7uF
100nF
IRDA
U11
5
SD
3
TxD
4
RxD
1
Anode (VCC2)
2
Cathode
6
VCC1
7
Vlogic
8
GND
TFDU6300
Title: USART_IrDA
Project: STM32L476G-EVAL
Size: A3 Reference: MB1144 Revision: B-02
Date: 6/24/2015 Sheet: 9 of 25