User Guide
GD32170C-START
7 /11
4.6.
Extension
Figure 4-6 Schematic diagram of Extension Pin
Extension Pin
PA4
PA5
PA6
PA7
PB12
PB13
PB14
PB15
PB10
PB11
PA1
PB1
PB0
PA3
PA2
PC13
PB5
PB6
PB7
PA9
PA10
PB8
PB9
PA15
PB3
PA13
PA14
PB4
PA8
PA0
PB2
PF6
PF7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
JP1
10×2P2.54
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
JP2
10×2P2.54
GND
GND
PA11
PA12
+5V
+5V
4.7.
MCU
Figure 4-7 Schematic diagram of MCU Pin
PA4
PA5
PA6
PA7
PA0
PA1
PA3
PA2
PA11
PA12
PA9
PA10
PA8
PB5
PB6
PB7
PB1
PB0
PB12
PB13
PB14
PB15
PB10
PB11
PB8
PB9
PC13
C2
50V/20pF
C3
50V/20pF
Y1
HC-49S-G20SSA-8MHz
GND
NRST
K2
K-1102B
GND
C6
50V/0.1uF
BOOT0
GND
C4
50V/10pF
C5
50V/10pF
Y2
DT-26-C06N-32.768KHz
C7
50V/0.1uF
C8
50V/0.1uF
C9
50V/0.1uF
R5
10K
Ω
R6
1M
Ω
R4
10K
Ω
OSC32_IN
OSC32_OUT
OSC_IN
OSC_OUT
GND
GND
NRST
PA13
PA14
PA15
PB2
PB3
PB4
SWCLK
SWDAT
PF6
PF7
BOOT0
44
NRST
7
OSC_IN/PF0
5
OSC_OUT/PF1
6
PA0-WKUP
10
PA1
11
PA2
12
PA3
13
PA4
14
PA5
15
PA6
16
PA7
17
PA8
29
PA9
30
PA10
31
PA11
32
PA12
33
PA13/SWDAT
34
PA14/SWCLK
37
PA15
38
PB0
18
PB1
19
PB2
20
PB3
39
PB4
40
PB5
41
PB6
42
PB7
43
PB8
45
PB9
46
PB10
21
PB11
22
PB12
25
PB13
26
PB14
27
PB15
28
PC13-TAMPER-RTC
2
PC14-OSC32_IN
3
PC15-OSC32_OUT
4
VBAT
1
VDD_1
24
PF7
36
VDD_2
48
VDDA
9
VSS_1
23
PF6
35
VSS_2
47
VSSA
8
U1
GD32F170C8T6
SWDAT
SWCLK
NRST
L_TMS/IO
L_TCK/CLK
L_TReset
GDLink
SWD
C12
50V/0.1uF
+3V3
+5V
+5V
+5V
+5V
+3V3
1
2
3
Q1
SI2302CDS
5.
Routine use guide
5.1.
GPIO_Running_LED
5.1.1.
DEMO purpose
This Demo includes the following functions of GD32 MCU:
