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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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NRF7002-QFAA-R датащи(PDF) 44 Page - Nordic Semiconductor |
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NRF7002-QFAA-R датащи(HTML) 44 Page - Nordic Semiconductor |
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44 / 61 page  Hardware and layout 32 MHz 40 MHz nRF5340 (Normal voltage mode) VDDH VDD GPIO (Q)SPI GPIO GPIO 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 GPIO 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 44 |
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