Search found 3 matches

by petercipov
Sat Mar 27, 2021 5:22 pm
Forum: Hardware
Topic: ESP32 WROOM-32 with PSRAM Module
Replies: 7
Views: 8865

Re: ESP32 WROOM-32 with PSRAM Module

rst:0x10 (RTCWDT_RTC_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:2 load:0x3fff0018,len:4 load:0x3fff001c,len:1044 load:0xff2b0000,len:-1 1162 mmu set 00010000, pos 00010000 1162 mmu set 0...
by petercipov
Mon Mar 22, 2021 7:25 pm
Forum: Hardware
Topic: ESP32 WROOM-32 with PSRAM Module
Replies: 7
Views: 8865

Re: ESP32 WROOM-32 with PSRAM Module

Hello I have removed metal chip case. I used multimeter to find which exact flash pins are connected to chip pins, I have found following (flash PIN -> esp32 pin) CE -> not connected to pin SIO1 -> d0 SIO2 -> d3 VSS -> gnd VCC -> 3.3V but no direct connection to pin SIO3 -> d2 SCLK -> clk SIO0 -> d1...
by petercipov
Sun Mar 21, 2021 1:42 pm
Forum: Hardware
Topic: ESP32 WROOM-32 with PSRAM Module
Replies: 7
Views: 8865

ESP32 WROOM-32 with PSRAM Module

Hello, I want to attach PSRAM memory LY68L6400SLIT with Espressif ESP32-WROOM-32 2.4GHz WiFi+Bluetooth chip. Iam using wroom adapter, I am using barebone chip. I assume that this is possible, as I have found tutorial online http://blog.pagefault-limited.co.uk/lolin32-lite-esp32-8mb-psram-upgrade-mod...