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Pins

Symbol

Layout

3D View

GPIO31
VDDBAT
GPIO13
GPIO18
GPIO38
XTALIN
GPIO11
GPIO40
GPIO0/RX
RF
GPIO9
HV_PWRKEY
GPIO41
GPIO15/SWDIO
GPIO44
GPIO10
GPIO1/TX
VBAT
GPIO2
GPIO7
GPIO27
GPIO33/ICE
GPIO6
GPIO37
GPIO3
GPIO26
VDDBT
VPP
GPIO12
GPIO36
GPIO5
GND
GPIO21
XTALOUT
GPIO42
GPIO28
GPIO35
RSTN
GPIO32
GPIO4
GPIO30
GPIO14
VIO
GPIO39
GPIO17
HV_IN
GPIO29
USBDN
HV_OUT/VIN
USBDP
VDDLPB
GPIO43
DVDD
GPIO34
GPIO22
GPIO16
GPIO8
Name
Pin #
Type
Section
Pin Group
Orientation
Order
Sub-symbol
Terminal Type
GPIO21
1
Unspecified
unspecified
GPIO22
2
Unspecified
unspecified
GPIO26
3
Unspecified
unspecified
GPIO27
4
Unspecified
unspecified
GPIO28
5
Unspecified
unspecified
GPIO29
6
Unspecified
unspecified
GPIO30
7
Unspecified
unspecified
GPIO31
8
Unspecified
unspecified
GPIO32
9
Unspecified
unspecified
GPIO33/ICE
10
Unspecified
unspecified
USBDP
11
Unspecified
unspecified
USBDN
12
Unspecified
unspecified
GPIO34
13
Unspecified
unspecified
GPIO35
14
Unspecified
unspecified
GPIO36
15
Unspecified
unspecified
GPIO37
16
Unspecified
unspecified
GPIO38
17
Unspecified
unspecified
GPIO39
18
Unspecified
unspecified
GPIO40
19
Unspecified
unspecified
GPIO41
20
Unspecified
unspecified
GPIO42
21
Unspecified
unspecified
GPIO43
22
Unspecified
unspecified
GPIO44
23
Unspecified
unspecified

YC3121-L