Hardware
Firmware
20210511,username: root , nopasswd
- NAND: sysimage-nand-120mb.zip
- NOR: sysimage-nor.zip
- SDCARD: r3-sdcard-20220130.zip
Develop
Buildroot
SPL:
- SPI NOR Flash (W25Qxx..)
- SPI NAND Flash (GD5F1GQ4UAxxG..)
- MMC 0 (4-bit TF)
- MMC 1 (1-bit TF)
U-Boot:
- Basic LCD/GPIO背光
- SF Devices
- MTD Devices
- USB Peripheral
- USB Mass Storage Drive Enulator
- DFU
- TF
Linux:
- Simple Peripheral: GPIO, SPI, UART, IIC, SDIO, PWM
- DMA Controller
- Audio Codec: Playback, Mic-IN
- USB: OTG Mode, Peripheral Mode, Host Mode
- DVP Camera: OV2640, OV5640
- Display Engine: Frontend, Backend, TCON
- Keypad ADC
- AW9523B GPIO Expand