PTN3460 Development Notes

The external EEPROM only stores one EDID (0x00 – 0x7F) and configuration registers (0x80 – 0xFF). If external EEPROM is used (DEV_CFG pin = high) in application, then firmware will read EDID from external EEPROM data address 0x00-0x7F to overwrite the EDID 0 in SRAM ,...

理解视频讯号及解析度

Interface 画面上分为 ODD/EVEN Line 交错扫描 每一个 V.Sync 显示出 ODD 或者 EVEN Field 1 ODD Field + 1 EVEN Filed = 1 Frame (完整的画面) 因为两个 V.Sync 才能显示出一个 Frame 所以 NTSC 60HZ 系统下为每秒 30 个画面 480i (525i) 传统印象讯号就是 480i 480 代表 480 行 i 就是 Interlace 的意思 NTSC 总像素为 858 x 525(H x V),有效像素为 720 x 480...