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Studio Bluetooth

RuslanO_56
Employee
First question asked First reply posted Welcome!
Employee
‎Jun 28, 2018 04:19 AM

20719 SPI Master Clock Configuration Problem

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Hi Team,

How to configure the SPI clock speed SCLK=50000 Hz for a master (clkSpeed parameter in the function wiced_hal_pspi_init()) when the CYW20719 uses a 24 MHz crystal oscillator (XTAL)?

We need SCLK=50 kHz for communication with a specific pressure sensor. In the existing FW (WICED 6.2) is not possible to set the SPI clock less than 187 kHz for a master (limited by FW).

Thanks,

Ruslan

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1 Solution
AnjanaM_61
Moderator
Moderator First comment on KBA 5 questions asked First question asked
Moderator
‎Jul 01, 2018 10:43 PM

Re: 20719 SPI Master Clock Configuration Problem

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Hi Rulsan,

You are correct , you can't configure the SPI clock for 50kHz. The minimum you can set is 187kHz.

Thanks,

Anjana

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