User Manual
GD32150R-EVAL
14
/
17
4.20 RTC
Figure 20. Schematic diagram of RTC function
1
2
3
JP5
Vbat select
VBAT
1
2
BT1
Battety
GND
+3V3
4.21 Extension
Figure 21. Schematic diagram of Extension pins
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
JP6
HEADER 16X2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
JP8
HEADER 16X2
PA14
PA15
PC10
PC11
PC12
PD2
PB3
PB4
PB5
PB6
PB7
BOOT0
PB8
PB9
GND
PC13
PC14
PC15
PC0
PC1
PC2
PC3
PA0
PA1
PA2
PF7
PF6
PA13
PA12
PA11
PA10
PA9
PA8
PC9
PC8
PC7
PC6
PB15
PB14
PB13
PB12
GND
PB11
PB10
PB2
PB1
PB0
PC5
PC4
PA7
PA6
PA5
PA4
PF5
PF4
PA3
EXTENTION
+3V3
+3V3