CSP98 (PAAA) package pin assignments

nRF54LM20A | nRF54LM20B Datasheet

The CSP98 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.

Figure 2. CSP98 pin assignments, top view
CSP98 pin assignments, top view
Table 4. CSP98 pin assignments
Pin Clock pin Name Function Description Dedicated function
A1

 

VSS

Power

Ground

 

A2

 

XC1

Analog input

Connection for 32 MHz crystal

 

A3

 

VDD

Power

1.7 V to 3.6 V, short to package/PCB VDD pin

 

A4

 

VDD

Power

VDD for DC/DC

 

A5

 

DCC

Power

DC/DC Regulator output

 

A6

 

DECD

Power

0.9 V regulator supply decoupling

 

A7

 

VSS

Power

Ground

 

A8

 

DECA

Power

0.9 V regulator supply decoupling

 

A9

 

VDD

Power

1.7 V to 3.6 V, short to package/PCB VDD pin

 

A10

 

VSS

Power

Ground

 

B1

 

XC2

Analog input

Connection for 32 MHz crystal

 

B2

 

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

 

B3

 

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

 

B4

Yes

P1.17

RADIO[2]

Digital I/O

Digital I/O

General Purpose I/O

Radio DFE GPIO

 

Radio

B5

Yes

P1.18

RADIO[3]

Digital I/O

Digital I/O

General Purpose I/O

Radio DFE GPIO

 

Radio

B6

 

P1.19

RADIO[4]

Digital I/O

Digital I/O

General Purpose I/O

Radio DFE GPIO

 

Radio

B7

Yes

P1.23

Digital I/O

General Purpose I/O

 

B8

 

P1.26

ASI[3]

Digital I/O

Digital I/O

General Purpose I/O

TAMPC active shield 3 input

 

TAMPC

 

B9

Yes

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

B10

 

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

C1

 

DECRF

Power

0.9 V regulator supply decoupling for radio

Must be connected to DECA

C2

Yes

P1.14

Digital I/O

General Purpose I/O

 

C3

Yes

P1.13

Digital I/O

General Purpose I/O

 

C4

 

P1.12

Digital I/O

General Purpose I/O

 

C5

 

P1.11

Digital I/O

General Purpose I/O

 

C6

 

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

 

 

C7

 

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

 

C8

 

P1.27

Digital I/O

General Purpose I/O

 

C9

 

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

C10

Yes

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

D1

 

VSS

Power

Ground

 

D2

 

VSS

Power

Ground

 

D4

 

P3.12

Digital I/O

General Purpose I/O

 

D5

 

P1.10

Digital I/O

General Purpose I/O

 

D6

 

P1.22

Digital I/O

General Purpose I/O

 

D7

Yes

P1.24

Digital I/O

General Purpose I/O

 

D8

 

P1.28

Digital I/O

General Purpose I/O

 

D9

 

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

D10

 

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

E1

 

ANT

RF

Single ended radio antenna connection

 

E3

 

P0.09

Digital I/O

General Purpose I/O

 

E4

 

P3.11

Digital I/O

General Purpose I/O

 

E5

 

VSS

Power

Ground

NC, but connect to VSS on PCB

E6

 

VSS

Power

Ground

NC, but connect to VSS on PCB

E7

 

P1.25

ASO[3]

Digital I/O

Digital I/O

General Purpose I/O

TAMPC active shield 3 output

 

TAMPC

 

E8

 

P1.09

ASI[1]

Digital I/O

Digital I/O

General Purpose I/O

TAMPC active shield 1 input

 

TAMPC

 

 

E9

 

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

E10

 

P2.03

FLPR.3

QSPI.D2

Digital I/O

Digital I/O

Digital I/O

General Purpose I/O

QSPI D2

 

FLPR

FLPR (QSPI)

F1

 

VSS

Power

Ground

 

F2

 

nRESET

Reset

Chip nReset input with pull-up

 

F3

 

P0.08

Digital I/O

General Purpose I/O

 

F4

 

P3.10

Digital I/O

General Purpose I/O

 

F5

 

VSS

Power

Ground

NC, but connect to VSS on PCB

F6

 

VSS

Power

Ground

NC, but connect to VSS on PCB

F7

 

P3.09

Digital I/O

General Purpose I/O

 

F8

 

P1.08

ASO[1]

Digital I/O

Digital I/O

General Purpose I/O

TAMPC active shield 1 output

 

TAMPC

F9

 

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

F10

 

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

G1

 

SWDCLK

Digital I/O

Serial wire clock; input with pull-down

 

G2

 

SWDIO

Digital I/O

Serial wire data; bidirectional with high-drive and pull-up

 

G3

Yes

P0.07

Digital I/O

General Purpose I/O

 

G4

 

P3.08

Digital I/O

General Purpose I/O

 

G5

 

P3.07

Digital I/O

General Purpose I/O

 

G6

 

P3.06

Digital I/O

General Purpose I/O

 

G7

 

P3.05

Digital I/O

General Purpose I/O

 

G8

Yes

P1.07

 

EXTREF

Digital I/O

Digital I/O

Analog input

General Purpose I/O

GRTC CLKOUTFAST

ADC external reference

 

GRTC

 

 

G9

 

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

G10

 

VDD

Power

1.7 V to 3.6 V, short to package/PCB VDD pin

 

H1

 

VDD

 

Power

 

Power supply

 

H2

Yes

P0.06

Digital I/O

General Purpose I/O

 

H3

 

P0.05

Digital I/O

General Purpose I/O

 

H4

Yes

P3.03

Digital I/O

General Purpose I/O

 

H5

 

P3.02

Digital I/O

General Purpose I/O

 

H6

 

P3.01

Digital I/O

General Purpose I/O

 

H7

 

P3.00

Digital I/O

General Purpose I/O

 

H8

 

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

 

H9

Yes

P1.03

AIN7

Digital I/O

Analog input

General Purpose I/O

Analog input

 

H10

 

P1.29

AIN3

Digital I/O

Analog input

General Purpose I/O

Analog input

 

J1

Yes

P0.04

Digital I/O

Digital I/O

General Purpose I/O

GRTC CLKOUT32K

 

GRTC

J2

Yes

P0.03

Digital I/O

Digital I/O

General Purpose I/O

GRTC PWM

 

GRTC

J3

 

P0.02

Digital I/O

General Purpose I/O

 

J4

Yes

P3.04

Digital I/O

General Purpose I/O

 

J5

 

TXRTUNE

Analog I/O

USB TXRTUNE line

USB

J6

 

P1.01

NFC1

Digital I/O

NFC input

General Purpose I/O

NFC antenna pin 1

 

NFC

J7

 

P1.02

NFC2

Digital I/O

NFC input

General Purpose I/O

NFC antenna pin 2

 

NFC

J8

 

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

 

J9

Yes

P1.04

AIN6

Digital I/O

Analog input

General Purpose I/O

Analog input

 

J10

 

P1.30

AIN2

Digital I/O

Analog input

General Purpose I/O

Analog input

 

K1

 

VSS

Power

Ground

 

K2

 

P0.01

Digital I/O

General Purpose I/O

 

K3

 

P0.00

Digital I/O

General Purpose I/O

 

K4

 

D-

Analog I/O

USB D- line

USB

K5

 

D+

Analog I/O

USB D+ line

USB

K6

 

DECUSB

Power

USB regulator decoupling

USB

K7

 

VBUS

Power

USB 5 V supply

USB

K8

 

P1.00

AIN0

Digital I/O

Analog input

General Purpose I/O

Analog input

 

K9

 

P1.31

AIN1

Digital I/O

Analog input

General Purpose I/O

Analog input

 

K10

 

VSS

Power

Ground