Search found 3 matches

by chuledeco
Fri Feb 14, 2020 9:39 am
Forum: ESP32 IDF
Topic: ESP32-PICO-D4 external SPRAM
Replies: 3
Views: 208

Re: ESP32-PICO-D4 external SPRAM

Maybe not useful for you... But, I had similar problem few months back. Turns out I was using pin 9 for CLK. Following change worked for me... If you go to $IDF_PATH/components/esp32/spiram_psram.c There is a define: #define PICO_PSRAM_CLK_IO 6 I changed this to #define PICO_PSRAM_CLK_IO 9 ...and i...
by chuledeco
Thu Feb 13, 2020 4:14 pm
Forum: ESP32 IDF
Topic: ESP32-PICO-D4 external SPRAM
Replies: 3
Views: 208

Re: ESP32-PICO-D4 external SPRAM

Maybe not useful for you... But, I had similar problem few months back. Turns out I was using pin 9 for CLK. Following change worked for me... If you go to $IDF_PATH/components/esp32/spiram_psram.c There is a define: #define PICO_PSRAM_CLK_IO 6 I changed this to #define PICO_PSRAM_CLK_IO 9 ...and i...
by chuledeco
Thu Feb 13, 2020 3:32 pm
Forum: ESP32 IDF
Topic: ESP32-PICO-D4 external SPRAM
Replies: 3
Views: 208

ESP32-PICO-D4 external SPRAM

Hello and thanks in advance I was trying to understand why I can't add my external PSRAM working with my ESP32-pico-d4 chip I'm using ESP-IDF v4.0 with eclipse. My PSRAM chip is LY68L6400 and is connected as described below: PSRAM ESP32-PICO-D4 CS IO17 (pin 27) SCLK CLK (pin 31) SIO0/SI SD0 SIO1/SO ...

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