The CSP39 pin assignment figure and table describe the pinouts for this variant of the device.
Pins that can be used as clock signals are shown in as red in the figure. For more information about clock pins, see Clock pins.
| Pin | Clock pin | Name | Function | Description | Dedicated function |
|---|---|---|---|---|---|
| A1 |
|
DECRF |
Power |
Power supply decoupling |
|
| A2 |
|
XC1 |
Analog input |
Connection for 32 MHz crystal |
|
| A3 |
|
XC2 |
Analog input |
Connection for 32 MHz crystal |
|
| A4 |
|
P1.01 AIN1 |
Digital I/O Analog input |
General purpose I/O Analog input |
|
| A5 |
|
P1.00 AIN0 |
Digital I/O Analog input |
General purpose I/O Analog input |
|
| A6 |
|
P1.10 ASO[1] TRACECLK AIN5 |
Digital I/O Digital I/O Digital I/O Analog input |
General purpose IO TAMPC active shield output Trace clock Analog input |
TAMPC Trace
|
| B2 |
|
NC |
|
No connect. Leave unconnected. |
|
| B4 | Yes |
P1.08 |
Digital I/O Digital I/O |
General purpose I/O GRTC CLKOUTFAST |
GRTC |
| B5 | Yes |
P1.03 AIN3 |
Digital I/O Analog input |
General purpose I/O Analog input |
|
| B6 | Yes |
P1.12 TRACEDATA[1] AIN7 |
Digital I/O Digital I/O Analog input |
General purpose IO Trace data Analog input |
Trace
|
| C1 |
|
ANT |
RF |
Single ended radio antenna connection |
|
| D3 |
|
VSS |
Power |
Ground |
|
| D4 | Yes |
P1.16 FLPR.0 QSPI.SCK |
Digital I/O Digital I/O Digital I/O |
General purpose IO General purpose IO QSPI SCK |
FLPR FLPR(QSPI) |
| D5 |
|
P1.02 AIN2 |
Digital I/O Analog input |
General purpose I/O Analog input |
|
| D6 |
|
P1.13 TRACEDATA[2] XL1 |
Digital I/O Digital I/O Analog input |
General purpose IO Trace data Connection for 32.768 kHz crystal |
Trace
|
| E1 |
|
VSS |
Power |
Ground |
|
| E2 |
|
nRESET |
Reset |
Pin reset with on-chip pull-up |
|
| E3 |
|
P1.18 FLPR.3 QSPI.D2 RADIO[0] |
Digital I/O Digital I/O Digital I/O Digital I/O |
General purpose IO General purpose IO QSPI D2 RADIO DFEGPIO |
FLPR FLPR(QSPI) RADIO |
| E4 | Yes |
P1.17 FLPR.1 QSPI.D0 |
Digital I/O Digital I/O Digital I/O |
General purpose IO General purpose IO QSPI D0 |
FLPR FLPR(QSPI) |
| E5 |
|
P1.05 ASO[0] EXTREF |
Digital I/O Digital I/O Analog input |
General purpose IO TAMPC active shield output External reference |
TAMPC |
| E6 |
|
P1.14 TRACEDATA[3] XL2 |
Digital I/O Digital I/O Analog input |
General purpose IO Trace data Connection for 32.768 kHz crystal |
Trace
|
| F1 |
|
VSS |
Power |
Ground |
|
| F2 |
|
SWDCLK |
Debug |
Serial wire clock. Input with on-chip pull-down. |
|
| F3 | Yes |
P1.20 FLPR.5 QSPI.CSN RADIO[2] |
Digital I/O Digital I/O Digital I/O Digital I/O |
General purpose IO General purpose IO QSPI CSN RADIO DFEGPIO |
FLPR FLPR(QSPI) RADIO |
| F4 | Yes |
P1.19 FLPR.2 QSPI.D1 RADIO[1] |
Digital I/O Digital I/O Digital I/O Digital I/O |
General purpose IO General purpose IO QSPI D1 RADIO DFEGPIO |
FLPR FLPR(QSPI) RADIO |
| F5 | Yes |
P1.04 |
Digital I/O |
General purpose I/O |
|
| F6 | Yes |
P1.11 ASI[1] TRACEDATA[0] SWO AIN6 |
Digital I/O Digital I/O Digital I/O Digital I/O Analog input |
General purpose IO TAMPC active shield input Trace data Serial wire output (SWO) Analog input |
TAMPC Trace
|
| G1 |
|
DECB |
Power |
Power supply |
|
| G2 |
|
SWDIO |
Debug |
Serial wire data. Bidirectional with standard-drive and on-chip pull-up. |
|
| G3 | Yes |
P0.04 |
Digital I/O Digital I/O |
General purpose I/O GRTC CLKOUT32K |
GRTC |
| G4 | Yes |
P0.03 |
Digital I/O Digital I/O |
General purpose I/O GRTC PWM |
GRTC |
| G5 |
|
P1.07 AIN4 ASI[0] |
Digital I/O Analog input Digital I/O |
General purpose IO Analog input TAMPC active shield input |
TAMPC |
| G6 |
|
DECA |
Power |
Power supply decoupling |
|
| H1 |
|
VDD |
Power |
Power supply |
|
| H2 |
|
VSS |
Power |
Ground |
|
| H3 |
|
VDD |
Power |
Power supply |
|
| H4 |
|
VSS |
Power |
Ground |
|
| H5 |
|
DCC |
Power |
DC/DC converter output |
|
| H6 |
|
DECD |
Power |
Power supply decoupling |
|