NodeMCU: Difference between revisions
→Basics
No edit summary |
(→Basics) |
||
Line 18:
= Basics =
CPU frequency: 80MHz, overclockable to 160MHz
Total RAM available: 96KB (part of it reserved for system)
BootROM: 64KB
Internal FlashROM: None
External FlashROM: code and data, via SPI Flash. Normal sizes 512KB-4MB.
GPIO: 16 + 1 (GPIOs are multiplexed with other functions, including external FlashROM, UART, deep sleep wake-up, etc.)
Programming: using BootROM bootloader from UART.
Due to external FlashROM and always-available BootROM bootloader, ESP8266 is not brickable.
*The NodeMCU ESP8266 board has 30 pins connected to the development board.
| |||