REALTEK series,RTD2270/2660/2261/2271/2280... , external spi flash.
085:  Current selected : RTD_EXT_SPI #ISP,Size: 16Mbits,2MBytes.
086:  >------------------------------------OK---------------------------------------<
087:  VGA wire mode: SCL: VGA--15; SDA: VGA--12.
088:  SPI Flash : W25X20, Buffer Set to 256KBytes.