NRF7002-QFAA-R7 datasheet(44/61 Pages) NORDIC

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Hardware and layout

32 MHz

40 MHz

nRF5340

(Normal voltage mode)

VDDH

VDD

GPIO

(Q)SPI

GPIO

nRF7002

IOVDD

HOST_IRQ

COEX

BUCKEN

VBAT

BUCKVBAT

AFEVBAT

OTPVDD

PWRIOVDD

(Q)SPI

3.6 V

1.8 V (2.5 V)

1.8 V

Figure 20: Supply system - normal voltage mode

14.3.4 QSPI/SPI connections

The nRF7002 can be connected to the nRF5340 host either with a QSPI or a SPI. QSPI will normally be the

preferred option, but in cases where QSPI on the host is used for other purposes SPI can be used.

The following figure shows the connection using QSPI between nRF7002 and the host MCU (nRF5340).

32 MHz

40 MHz

nRF5340

SCK

GPIO

nRF7002

HOST_IRQ

COEX

BUCKEN

QSPI_CLK

QSPI_SS

QSPI_DATA0

QSPI_DATA1

QSPI_DATA2

QSPI_DATA3

CSN

IO0

IO1

IO2

IO3

Figure 21: QSPI connection

The following figure shows the connections when using SPI between nRF7002 and nRF5340.

4486_184 v1.0

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