A
B
C
D
1
2
H2
Identification
I2C0
I2C1
GP20
P_SDA
GP6
H3
H1
1
2
3
1
2
3
GP21
P_SCL
GP7
3
4
5
6
+3.3V
INT
3V3(OUT)
GP3
3V3_EN
RUN
R5
0R/NC
R6
0R/NC
R7
0R/NC
GP0
GP1
GND
GP2
GP3
GP4
GP5
GND
GP6
GP7
GP8
GP9
GND
GP10
GP11
GP12
GP13
GND
GP14
GP15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
U1
GPIO0
GPIO1
GND
GPIO2
GPIO3
GPIO4
GPIO5
GND
GPIO6
GPIO7
GPIO8
GPIO9
GND
GPIO10
GPIO11
GPIO12
GPIO13
GND
GPIO14
GPIO15
VBUS
VSYS
GND
3V3_EN
3V3
ADC_VREF
IO28/ADC2
AGND
IO27/ADC1
IO26/ADC0
RUN
GPIO22
GND
GPIO21
GPIO20
GPIO19
GPIO18
GND
GPIO17
GPIO16
Pi pico (40P)
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VBUS
VSYS
GND
3V3_EN
3V3(OUT)
ADC_VREF
GP28
GND
GP27
GP26
RUN
GP22
GND
GP21
GP20
GP19
GP18
GND
GP17
GP16
+3.3V
C6
0.1uF
R2
10K
INT
GND
1
2
3
4
5
6
7
8
U2
32KHz
VCC
INT/SQW
RST
NC
NC
NC
NC
DS3231
SCL
SDA
VBAT
GND
NC
NC
NC
NC
16
15
14
13
12
11
10
9
+3.3V
+3.3V
R3
10K/NC
R4
10K/NC
P_SCL
P_SDA
BAT1
GND
I2C Address: 0x68
+3.3V
R8
0R/NC
R1
1K
GND
L_PWR1
aveshareW
Pico-RTC-DS3231
1
2
3
4
5
6
A
B
C
D