User Manual

17
Pin No.
Name
Pin Function
Description
(33)
GND
Power
Ground
(34)
D
Digital I/O
USB D-
(35)
D+
Digital I/O
USB D+
(36)
P0.14
Digital I/O
General-purpose digital I/O
(37)
P0.13
Digital I/O
General-purpose digital I/O
(38)
P0.16
Digital I/O
General-purpose digital I/O
(39)
P0.15
Digital I/O
General-purpose digital I/O
(40)
P0.18
Digital I/O
General-purpose digital I/O
(recommended usage: QSPI / CSN)
nRESET
Configurable as system RESET
(41)
P0.17
Digital I/O
General-purpose digital I/O
(42)
P0.19
Digital I/O
General-purpose digital I/O
(recommended usage: (QSPI / SCK)
(43)
P0.21
Digital I/O
General-purpose digital I/O
(recommended usage: QSPI)
(44)
P0.20
Digital I/O
General-purpose digital I/O
(45)
P0.23
Digital I/O
General-purpose digital I/O
(recommended usage: QSPI)
(46)
P0.22
Digital I/O
General-purpose digital I/O
(recommended usage: QSPI)
(47)
P1.00
Digital I/O
General-purpose digital I/O
(recommended usage: QSPI)
TRACEDATA0
Trace data
Trace buffer TRACEDATA [0].
(48)
P0.24
Digital I/O
General-purpose digital I/O
(49)
))
P0.25
Digital I/O
General-purpose digital I/O
(50)
P1.02
Digital I/O
General-purpose I/O
(standard drive, low frequency I/O only)
(51)
SWDIO
Debug
Debug serial data
(52)
P0.09
Digital I/O
General-purpose I/O
(standard drive, low frequency I/O only)
NFC1
NFC input
NFC antenna connection
(53)
SWDCLK
Debug
Serial wire debug clock input for debug and programming