... RAM: 128 MB / 256 MB DDR RAM, 32 bit Bus Flash: 128 MB / 256 MB / 1GB NAND Flash EEPROM: 1024 Byte (I2C) Ext. Memory: SD ... : Monochrome, 4 gray levels, 16 gray levels, 256 colors, 4096 colors Max: 1024x768 TFT Displays: Monochrome ... , 4 gray levels, 16 gray levels, 256 colors, 64k colors, true color Max: 1024x768 40 ... System Bus, 30 pin GPIO, 20 pin SDIO (SD, SPI, I2C), 10 pin Buttons (2.0 mm ...