MOS Technology 6532
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The 6532 RAM-I/O-Timer (RIOT) was an integrated circuit made by MOS Technology, as well as second sources such as Rockwell. It incorporated 128 bytes of static RAM, two bidirectional 8-bit digital I/O ports, and a programmable timer. This high degree of integration made it quite popular in the late 1970s and early 1980s, as it could take the place of several different ICs. Perhaps its best-known use was in the Atari 2600 game console. This chip was also used in famous pinball machines made by Gottlieb, like Haunted House and Black Hole.
6532 ICs were available in 1 MHz and 2 MHz versions. The form factor was a JEDEC-standard 40-pin ceramic or plastic DIP.
[edit] External links
- 6532 Datasheet (MOS) (GIF format, zipped)
- 6532 Datasheet (Rockwell) (PDF format)
- 6532 VHDL implementation (part of FPGA2600 SourceForge project)
 Interface chips from MOS Technology and second source/clone vendors |
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6520 PIA ● 6522 VIA ● 6523 TIA ● 6525 TPI ● 6526 CIA ● 6529 SPI ● 6530 RRIOT ● 6532 RIOT ● 6551 ACIA |
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