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Frequenties overview
Pal system
| HSync | 15.625 KHz | |
| VSync | 50.00028194 KHz | PAL_Hz=Systemclock/227/312.5 |
| 28Mhz | 28.37516 MHz | |
| 14Mhz | 14,18758 | |
| 7Mhz | 7.09379 MHz | |
| Y451 | 4.43619 MHz | |
| Y621 | 3 MHz |
NTSC system
| HSync | 15,750 KHz | |
| VSync | 59.94005233 KHz | NTSC_Hz=Systemclock/227.5/262.5 |
| 28Mhz | 28.63636 MHz | |
| 14Mhz | 14,31818 | |
| 7Mhz | 7.15909 MHz | |
| Y451 | 4.43619 MHz | |
| Y621 | 3 MHz |