MSTAR, MST/TSUM/SE/FE series, external flash.
048:  Current selected : MST_EXT_SPI #ISP,Size: 128Mbits,16MBytes.
049:  >------------------------------------OK---------------------------------------<
050:  VGA wire mode: SCL: VGA--15; SDA: VGA--12.
051:  Main Chip ID: 0x4040 .
052:  SPIͺţW25X20Ϊ256Kֽڣ״̬Ĵֵ: 0x8C