User Manual
GD32450I-EVAL
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4.4
KEY
KEY1
K2
K-1102B
R17
10K
Ω
+3V3
GND
C28
50V/0.1uF
KEY2
K3
K-1102B
R18
10K
Ω
+3V3
GND
C29
50V/0.1uF
KEY3
K4
K-1102B
R19
10K
Ω
+3V3
GND
C30
50V/0.1uF
PA0
PC13
PB14
KEY
Wakeup
Tamper
USER
4.5
USART
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
GND
15
V
CC
16
U3
MAX
+3V3
GND
C23
50V/0.1uF
C25
50V/0.1uF
C24
50V/0.1uF
C22
50V/0.1uF
C21
50V/0.1uF
GND
USART0_TX
USART0_RX
USART0_TX
1
6
2
7
3
8
4
9
5
J1
COM1
GND
1
2
3
JP5
HEADER 3
PA9
PA10
USB_FS_VBUS
Short JP5(2,3)for USB_FS function
RS232_TX0
RS232_RX0
Short JP5(1,2)for USART0 function
USART0
USART0_RX