Data Sheet

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Table 3-9. Pin Configuration
Table 3-10. Pin Description
No. of
module
pins
No. of
QFN48
package
pins
Pin
signal
Direction
Pin specification
1
14
，
15
，
37
GND
-
Ground
2
4
PF3
I/O
Digital I/O;
3
3
PF2
I/O
Digital I/O;
4
6
PF5
I/O
Digital I/O
5
5
PF4
I/O
Digital I/O.