How to use two flash with lpc_spifilib in LPC1857

zhangbin_eos — Mon, 23 Dec 2019 02:47:49 GMT

I want use two spi flash in LPC1857,but I don't know how to add secede cs pin in lpc_spifilib;

lpc_spifilib from https://www.nxp.com/downloads/en/software/LPCSPIFI-Library-v1.01-Library-Updates.zip

and https://www.nxp.com/downloads/en/device-drivers/lpcopen_2_12_lpcxpresso_keil_mcb_1857_SPIFI_v1.0.zip

I have added new devices and can read and write normally. Now I need to use lpc_spifilib to control two flash at the same time;

Re: How to use two flash with lpc_spifilib in LPC1857

xiangjun_rong — Mon, 13 Jan 2020 09:29:57 GMT

Hi, ZhangBin,

I have checked the data sheet, for the LPC18xx, there is only one SFIFI_CS pin, I do not think you can connect two pieces of spi flash if the spi flash is quad spi flash(it has 4 data pins).

Hope it can help you

XiangJun rong

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How to use two flash with lpc_spifilib in LPC1857

Re: How to use two flash with lpc_spifilib in LPC1857