NOVATEK series,type is NT68168,external spi flash.
037:  Current selected : NT68_EXT_SPI #ISP,Size: 4Mbits,512KBytes.
038:  >------------------------------------OK---------------------------------------<
039:  VGA wire mode: SCL: VGA--15; SDA: VGA--12.
040:  SPI Flash : WINBOND W25X20 256K  , Buffer Set to 256KBytes.