PSRAM
- ESP-PSRAM64H
- IPS6404L / APM6404L
RAM, PSRAM
- Serial Pseudo-SRAM
- Datasheet of IPUS IOT RAM
- Datasheet of Lyontek PSRAM
| Type | Package | Specs |
|---|---|---|
| MT45W8MW16BGX | Example | Example |
| LY68S6400 - 64Mbit | SOP 8 | 1.8V |
| LY68S3200 - 32Mbit | SOP 8 | 1.8V |
| LY68L6400 - 64Mbit | SOP 8 | 3.3V |
| LY68L3200 - 32Mbit | SOP 8 | 3.3V |
- Pin Definition with ESP32-PICO Board
| PICO Kit Pins | PSRAM SOP8 Pins | Note |
|---|---|---|
| IO9 | 1 #cs clk | pulled up to VDD 3.3V ! |
| IO17 | 2 | FSD0 |
| IO7 | 3 | FSD3 |
| GND | 4 | Ground |
| IO8 | 5 | FSD1 |
| IO10 | 6 | |
| IO11 | 7 | FSD2 |
| VDD3.3 | 8 | VDD |
| IO6 | - | FCLK |
| IO16 | - | FCS |
- 32 Mbit 1.8 Wrover
- 32 Mbit 3.3 Wroom, Pico, RDA
- 64 Mbit 3.3 RDA
- Code reference - https://esp32.com/viewtopic.php?f=2&t=2713&start=30#p13463