The following table is an overview of all pin functions, and their availability on the different package options.
| Name | Function | Description | Dedicated function | Clock pin | CSP61 Pin | CSP98 Pin | QFN52 Pin |
|---|---|---|---|---|---|---|---|
ANT |
RF |
Single ended radio antenna connection |
|
|
C1 | E1 | 34 |
D+ |
Analog I/O |
USB D+ line |
USB |
|
H7 | K5 | 19 |
D- |
Analog I/O |
USB D- line |
USB |
|
H6 | K4 | 20 |
P0.00 |
Digital I/O |
General Purpose I/O |
|
|
K3 | ||
P0.01 |
Digital I/O |
General Purpose I/O |
|
|
K2 | ||
P0.02 |
Digital I/O |
General Purpose I/O |
|
|
J3 | ||
P0.03 |
Digital I/O Digital I/O |
General Purpose I/O GRTC PWM |
GRTC |
Yes |
H4 | J2 | 25 |
P0.04 |
Digital I/O Digital I/O |
General Purpose I/O GRTC CLKOUT32K |
GRTC |
Yes |
H2 | J1 | 26 |
P0.05 |
Digital I/O |
General Purpose I/O |
|
|
H3 | ||
P0.06 |
Digital I/O |
General Purpose I/O |
|
Yes |
H1 | H2 | 27 |
P0.07 |
Digital I/O |
General Purpose I/O |
|
Yes |
G2 | G3 | 28 |
P0.08 |
Digital I/O |
General Purpose I/O |
|
|
G1 | F3 | 29 |
P0.09 |
Digital I/O |
General Purpose I/O |
|
|
E3 | 30 | |
P1.00 AIN0 |
Digital I/O Analog input |
General Purpose I/O Analog input |
|
|
H10 | K8 | 10 |
P1.01 NFC1 |
Digital I/O NFC input |
General Purpose I/O NFC antenna pin 1 |
NFC |
|
E8 | J6 | 11 |
P1.02 NFC2 |
Digital I/O NFC input |
General Purpose I/O NFC antenna pin 2 |
NFC |
|
F8 | J7 | 12 |
P1.03 AIN7 |
Digital I/O Analog input |
General Purpose I/O Analog input |
|
Yes |
G9 | H9 | 13 |
P1.04 AIN6 |
Digital I/O Analog input |
General Purpose I/O Analog input |
|
Yes |
G8 | J9 | 14 |
P1.05 AIN5 ASO[0] |
Digital I/O Analog input Digital I/O |
General Purpose I/O Analog input TAMPC active shield 0 output |
TAMPC
|
|
F7 | H8 | 15 |
P1.06 AIN4 ASI[0] |
Digital I/O Analog input Digital I/O |
General Purpose I/O Analog input TAMPC active shield 0 input |
TAMPC
|
|
G7 | J8 | 16 |
P1.07
EXTREF |
Digital I/O Digital I/O Analog input |
General Purpose I/O GRTC CLKOUTFAST ADC external reference |
GRTC
|
Yes |
H5 | G8 | 22 |
P1.08 ASO[1] |
Digital I/O Digital I/O |
General Purpose I/O TAMPC active shield 1 output |
TAMPC |
|
F8 | 23 | |
P1.09 ASI[1] |
Digital I/O Digital I/O |
General Purpose I/O TAMPC active shield 1 input |
TAMPC
|
|
E8 | 24 | |
P1.10 |
Digital I/O |
General Purpose I/O |
|
|
D5 | ||
P1.11 |
Digital I/O |
General Purpose I/O |
|
|
F2 | C5 | |
P1.12 |
Digital I/O |
General Purpose I/O |
|
|
C4 | ||
P1.13 |
Digital I/O |
General Purpose I/O |
|
Yes |
F1 | C3 | |
P1.14 |
Digital I/O |
General Purpose I/O |
|
Yes |
F4 | C2 | |
P1.15 ASO[2] RADIO[0] |
Digital I/O Digital I/O Digital I/O |
General Purpose I/O TAMPC active shield 2 output Radio DFE GPIO |
TAMPC Radio
|
|
B4 | B2 | 39 |
P1.16 ASI[2] RADIO[1] |
Digital I/O Digital I/O Digital I/O |
General Purpose I/O TAMPC active shield 2 input Radio DFE GPIO |
TAMPC Radio
|
|
B5 | B3 | 40 |
P1.17 RADIO[2] |
Digital I/O Digital I/O |
General Purpose I/O Radio DFE GPIO |
Radio |
Yes |
B4 | ||
P1.18 RADIO[3] |
Digital I/O Digital I/O |
General Purpose I/O Radio DFE GPIO |
Radio |
Yes |
B5 | 41 | |
P1.19 RADIO[4] |
Digital I/O Digital I/O |
General Purpose I/O Radio DFE GPIO |
Radio |
|
E5 | B6 | 47 |
P1.20 RADIO[5] XL1 |
Digital I/O Digital I/O Analog input |
General Purpose I/O Radio DFE GPIO Connection for 32.768 kHz crystal |
Radio
|
|
B6 | C6 | 48 |
P1.21 RADIO[6] XL2 |
Digital I/O Digital I/O Analog input |
General Purpose I/O Radio DFE GPIO Connection for 32.768 kHz crystal |
Radio
|
|
B7 | C7 | 49 |
P1.22 |
Digital I/O |
General Purpose I/O |
|
|
D6 | D6 | |
P1.23 |
Digital I/O |
General Purpose I/O |
|
Yes |
B7 | ||
P1.24 |
Digital I/O |
General Purpose I/O |
|
Yes |
E6 | D7 | 50 |
P1.25 ASO[3] |
Digital I/O Digital I/O |
General Purpose I/O TAMPC active shield 3 output |
TAMPC
|
|
D7 | E7 | |
P1.26 ASI[3] |
Digital I/O Digital I/O |
General Purpose I/O TAMPC active shield 3 input |
TAMPC
|
|
B8 | B8 | |
P1.27 |
Digital I/O |
General Purpose I/O |
|
|
E7 | C8 | |
P1.28 |
Digital I/O |
General Purpose I/O |
|
|
D8 | D8 | |
P1.29 AIN3 |
Digital I/O Analog input |
General Purpose I/O Analog input |
|
|
E9 | H10 | 7 |
P1.30 AIN2 |
Digital I/O Analog input |
General Purpose I/O Analog input |
|
|
F9 | J10 | 8 |
P1.31 AIN1 |
Digital I/O Analog input |
General Purpose I/O Analog input |
|
|
G10 | K9 | 9 |
P2.00 FLPR.4 QSPI.D3 SPIM00.DCX UARTE00.RXD |
Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O |
General Purpose I/O General Purpose I/O QSPI D3 SPIM00 DCX UARTE00 RXD |
FLPR FLPR(QSPI) SPIM00 UARTE00 |
|
A10 | B10 | 52 |
P2.01 FLPR.0 QSPI.SCK SPIM00.SCK SPIS00.SCK |
Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O |
General Purpose I/O General Purpose I/O QSPI SCK SPIM00 SCK SPIS00 SCK |
FLPR FLPR (QSPI) SPIM00 SPIS00 |
Yes |
A9 | C10 | 1 |
P2.02 FLPR.1 QSPI.D0 SPIM00.SDO SPIS00.SDO UARTE00.TXD |
Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O |
General Purpose I/O General Purpose I/O QSPI D0 SPIM00 SDO SPIS00 SDO UARTE00 TXD |
FLPR FLPR(QSPI) SPIM00 SPIS00 UARTE00 |
|
B10 | D10 | 2 |
P2.03 FLPR.3 QSPI.D2 |
Digital I/O Digital I/O Digital I/O |
General Purpose I/O QSPI D2 |
FLPR FLPR (QSPI) |
|
B9 | E10 | 3 |
P2.04 FLPR.2 QSPI.D1 SPIM00.SDI SPIS00.SDI UARTE00.CTS |
Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O |
General Purpose I/O General Purpose I/O QSPI D1 SPIM00 SDI SPIS00 SDI UARTE00 CTS |
FLPR FLPR(QSPI) SPIM00 SPIS00 UARTE00 |
|
D10 | F10 | 4 |
P2.05 FLPR.5 QSPI.CSN SPIM00.CSN SPIS00.CSN UARTE00.RTS |
Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O |
General Purpose I/O General Purpose I/O QSPI CSN SPIM00 CSN SPIS00 CSN UARTE00 RTS |
FLPR FLPR(QSPI) SPIM00 SPIS00 UARTE00 |
|
D9 | G9 | 5 |
P2.06 FLPR.6 TRACECLK SPIM00.SCK SPIS00.SCK |
Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O |
General Purpose I/O General Purpose I/O Trace clock SPIM00 SCK SPIS00 SCK |
FLPR TRACE SPIM00 SPIS00 |
Yes |
B9 | ||
P2.07 FLPR.7 TRACEDATA[0] SWO SPIM00.DCX UARTE00.RXD |
Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O |
General Purpose I/O General Purpose I/O Trace data Serial wire output (SWO) SPIM00 DCX UARTE00 RXD |
FLPR TRACE
SPIM00 UARTE00 |
|
C9 | ||
P2.08 FLPR.8 TRACEDATA[1] SPIM00.SDO SPIS00.SDO UARTE00.TXD |
Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O |
General Purpose I/O General Purpose I/O Trace data SPIM00 SDO SPIS00 SDO UARTE00 TXD |
FLPR TRACE SPIM00 SPIS00 UARTE00 |
|
D9 | ||
P2.09 FLPR.9 TRACEDATA[2] SPIM00.SDI SPIS00.SDI UARTE00.CTS |
Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O |
General Purpose I/O General Purpose I/O Trace data SPIM00 SDI SPIS00 SDI UARTE00 CTS |
FLPR TRACE SPIM00 SPIS00 UARTE00 |
|
E9 | ||
P2.10 FLPR.10 TRACEDATA[3] SPIM00.CSN SPIS00.CSN UARTE00.RTS |
Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O |
General Purpose I/O General Purpose I/O Trace data SPIM00 CSN SPIS00 CSN UARTE00 RTS |
FLPR TRACE SPIM00 SPIS00 UARTE00 |
|
F9 | ||
P3.00 |
Digital I/O |
General Purpose I/O |
|
|
H7 | ||
P3.01 |
Digital I/O |
General Purpose I/O |
|
|
F6 | H6 | |
P3.02 |
Digital I/O |
General Purpose I/O |
|
|
H5 | ||
P3.03 |
Digital I/O |
General Purpose I/O |
|
Yes |
F5 | H4 | |
P3.04 |
Digital I/O |
General Purpose I/O |
|
Yes |
G5 | J4 | |
P3.05 |
Digital I/O |
General Purpose I/O |
|
|
G4 | G7 | |
P3.06 |
Digital I/O |
General Purpose I/O |
|
|
G6 | ||
P3.07 |
Digital I/O |
General Purpose I/O |
|
|
G5 | ||
P3.08 |
Digital I/O |
General Purpose I/O |
|
|
G4 | ||
P3.09 |
Digital I/O |
General Purpose I/O |
|
|
F7 | ||
P3.10 |
Digital I/O |
General Purpose I/O |
|
|
F4 | ||
P3.11 |
Digital I/O |
General Purpose I/O |
|
|
E4 | ||
P3.12 |
Digital I/O |
General Purpose I/O |
|
|
D4 | ||
SWDCLK |
Digital I/O |
Serial wire clock; input with pull-down |
|
|
D5 | G1 | 31 |
SWDIO |
Digital I/O |
Serial wire data; bidirectional with high-drive and pull-up |
|
|
E4 | G2 | 32 |
XC1 |
Analog input |
Connection for 32 MHz crystal |
|
|
A2 | A2 | 37 |
XC2 |
Analog input |
Connection for 32 MHz crystal |
|
|
A1 | B1 | 38 |
nRESET |
Reset |
Chip nReset input with pull-up |
|
|
E2 | F2 | 33 |