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MOS Technology VIC-II

MOS 6569R3 (PAL version) on a C64 main board

The VIC-II (Video Interface Chip II), specifically known as the MOS Technology 6567/6566/8562/8564 (NTSC versions), 6569/8565/8566 (PAL), is the microchip tasked with generating Y/C video signals (combined to composite video in the RF modulator) and DRAM refresh signals in the Commodore 64 and Commodore 128 home computers.

Succeeding the original MOS Technology VIC used in the VIC-20, the VIC-II was one of the key custom chips in the Commodore 64 (the other being the MOS Technology 6581 sound chip).


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