Generic - RTL8720CF (2M/992k)
by Generic
| Parameter | Value |
|---|---|
| Board code | generic-rtl8720cf-2mb-992k |
| MCU | RTL8720CF |
| Manufacturer | Realtek |
| Series | AmebaZ2 |
| Frequency | 100 MHz |
| Flash size | 2 MiB |
| RAM size | 256 KiB |
| Voltage | 3.0V - 3.6V |
| I/O | 20x GPIO, 8x PWM, 3x UART |
| Wi-Fi | 802.11 b/g/n |
| BLE | v4.2 |
Usage
Board code: generic-rtl8720cf-2mb-992k
In platformio.ini:
[env:generic-rtl8720cf-2mb-992k]
platform = libretiny
board = generic-rtl8720cf-2mb-992k
framework = arduino
In ESPHome YAML:
Pin functions
| Name(s) | UART | IĀ²C | SPI | PWM | Other |
|---|---|---|---|---|---|
| PA00 | RX1 | PWM0 | SWCLK, TCK | ||
| PA01 | TX1 | PWM1 | SWDIO, TMS | ||
| PA02 | RX1 | SCL0 | CS0 | PWM2 | TDO |
| PA03 | TX1 | SDA0 | SCK0 | PWM3 | TDI |
| PA04 | CTS1 | MOSI0 | PWM4 | tRST | |
| PA07 | CS0 | ||||
| PA08 | SCK0 | ||||
| PA09 | RTS0 | MOSI0 | |||
| PA10 | CTS0 | MISO0 | |||
| PA11 | TX0 | SCL0 | PWM0 | ||
| PA12 | RX0 | SDA0 | PWM1 | ||
| PA13 | RX0 | PWM7 | |||
| PA14 | TX0 | PWM2 | |||
| PA15 | RX2 | SCL0 | CS0 | PWM3 | |
| PA16 | TX2 | SDA0 | SCK0 | PWM4 | |
| PA17 | PWM5 | ||||
| PA18 | PWM6 | ||||
| PA19 | CTS2 | SCL0 | MOSI0 | PWM7 | |
| PA20 | RTS2 | SDA0 | MISO0 | PWM0 | |
| PA23 | PWM7 |
Flash memory map
Flash size: 2 MiB / 2,097,152 B / 0x200000
Hex values are in bytes.
| Name | Start | Length | End |
|---|---|---|---|
| Partition Table | 0x000000 | 4 KiB / 0x1000 | 0x001000 |
| System Data | 0x001000 | 4 KiB / 0x1000 | 0x002000 |
| Calibration | 0x002000 | 4 KiB / 0x1000 | 0x003000 |
| (reserved) | 0x003000 | 4 KiB / 0x1000 | 0x004000 |
| Boot Image | 0x004000 | 32 KiB / 0x8000 | 0x00C000 |
| OTA1 Image | 0x00C000 | 992 KiB / 0xF8000 | 0x104000 |
| OTA2 Image | 0x104000 | 992 KiB / 0xF8000 | 0x1FC000 |
| Key-Value Store | 0x1FC000 | 16 KiB / 0x4000 | 0x200000 |