NRF7002-CEAA-R7 datasheet(23/69 Pages) NORDIC

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Coexistence

Signal name

I/O

Requirement

Bluetooth LE/

IEEE 802.15.4

signal (3-wire/4-

wire)

Description

COEX_REQ

Input

Mandatory for 3-

wire and 4-wire

SR_REQUEST

Bluetooth LE/IEEE

802.15.4 device

requesting a TX/

RX transaction

COEX_STATUS0

Input

Mandatory for 3-

wire and 4-wire

SR_STATUS

Indicates if the

Bluetooth LE/

IEEE 802.15.4

transaction is

TX or RX. If the

device supports

a Priority signal,

Priority is muxed

with TX/RX on

this signal based

on the timing

diagrams.

COEX_GRANT

Output Mandatory for 3-

wire and 4-wire

SR_GRANT

Indicates that

the Bluetooth

LE/IEEE 802.15.4

device is granted

access for this

transaction.

COEX_STATUS1/

SW_CTRL1

Input/

Output

Optional for 3-

wire

SR_PTI/

RF_SW_CTRL1

In 4-wire mode,

this carries the

Bluetooth LE/

IEEE 802.15.4

1 bit priority

signal. In 3-wire

Shared Antenna

mode, this can

be optionally

used as a second

antenna switch

control signal.

SW_CTRL0

Output Mandatory for 3-

wire and 4-wire

Shared Antenna

mode. Optional

otherwise

RF_SW_CTRL0

Used for antenna

switch control in

Shared Antenna

mode.

Table 6: Coexistence hardware signals

Note: The behavior of SW_CTRL0/1 is programmable and dependent on the configured

coexistence mode and switch control interface.

4486_184 v1.2

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