KW41Z datasheet(84/91 Pages) NXP

84 / 91 page

8.3.2 Radio Modules

This section contains tables describing the radio signals.

Table 55. Radio Module Signal Descriptions

SoC Signal Name

Module Signal Name

Description

I/O

ANT

Antenna

GANT

Antenna ground

BLE_RF_ACTIVE

Signal to indicate future BLE

activity. Refer BLE Link Layer

for more details.

RF_NOT_ALLOWED

Radio off signal, intended for

WiFi coexistence control

RF_RESET

Radio reset signal

DTM_RX

Direct Test Mode Receive

DTM_TX

Direct Test Mode Transmit

BSM_CLK

Bit Streaming Mode (BSM)

Clock signal, 802.15.4 packet

data stream clock line

BSM_FRAME

Bit Streaming Mode Frame

signal, 802.15.4 packet data

stream frame line

BSM_DATA

Bit Streaming Mode Data

signal, 802.15.4 packet data

stream data line

I/O

ANT_A

Antenna selection A for Front

End Module support

ANT_B

Antenna selection B for Front

End Module support

TX_SWITCH

Front End Module Transmit

mode signal

RX_SWITCH

Front End Module Receive

mode signal

8.3.3 System Modules

This section contains tables describing the system signals.

Table 56. System Module Signal Descriptions

SoC Signal Name

Module Signal Name

Description

I/O

NMI_b

—

Non-maskable interrupt

RESET_b

—

Reset bidirectional signal

I/O

VDD_[1:0]

VDD

Power supply

Table continues on the next page...

Pin Diagrams and Pin Assignments

MKW41Z/31Z/21Z Data Sheet, Rev. 4, 03/2018

NXP Semiconductors

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