Search found 2 matches

by modi21jin
Fri May 26, 2023 7:03 am
Forum: ESP-IDF 中文讨论版
Topic: esp32c3 qspi能否驱动屏幕 是否有相关历程
Replies: 8
Views: 10847

Re: esp32c3 qspi能否驱动屏幕 是否有相关历程

It is not recommended to use ST77903 for ESP32C3 because it has no GRAM. Hesitant screen does not have GRAM, so ESP32C3 needs to manage screen refresh (freertos queue) by itself and needs to open up a buffer 400*400*8*2=1.23MB in SRAM. Obviously, SRAM is not enough and there is no PSRAM, so ESP32C3 ...
by modi21jin
Sun Feb 19, 2023 7:42 am
Forum: ESP-IDF 中文讨论版
Topic: esp32c3 qspi能否驱动屏幕 是否有相关历程
Replies: 8
Views: 10847

Re: esp32c3 qspi能否驱动屏幕 是否有相关历程

【淘宝】https://m.tb.cn/h.ULcYThv?tk=GhagdSp9msx CZ3457 「1.65寸触摸屏全贴合总成件400*400QSPI编码器家电旋钮全圆显示屏」
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