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

Figure 40. USART and IrDA - schematic diagram

100nF
C62 U10
28
C1+
24
C1-
C64 1
C2+
100nF 2
C2-
USART1_RTS_3V3 14
T1IN
13
T2IN
12
T3IN
21
R1OUTB
GND 20
Bootloader_BOOT0_3V3 R2OUTB
19
R1OUT
18
R2OUT
17
Bootloader_RESET_3V3 R3OUT
16
R4OUT
PG11 R93 0 15
USART1_CTS_3V3 R5OUT
23
nEN
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
PB6 R118 0 C66 VDD U12
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
VCC
25 RXD 2
GND
27 C65 RTS 7
V+
3 100nF TXD 3
V-
C63 CTS 8
9 100nF 4
T1OUT
10 9
T2OUT
11 5
T3OUT
4
R1IN
5 GND
R2IN
6
R3IN
7
R4IN
8
R5IN
+3V3
22
nSHDN
NFC_IRQINN
+3V3
C69
100nF
R115 47
C71
USART1_RTS_3V3 C70
4.7uF
100nF
IRDA
U11
R113
5
SD
0
3
TxD
4
RxD
R112 5.1 1
Anode (VCC2)
2
Cathode
6
VCC1
7
Vlogic
8
GND
TFDU6300
C67
C68
4.7uF
100nF
Title: USART_IrDA
Project: STM32L476G-EVAL
Size: A3 Reference:
Date: 6/24/2015
MB1144 Revision: B-02
Sheet: 9 of 25