The 12-bit architecture is a microprocessor or computer architecture that has a datapath width or a highest operand width of 12 bits or 1.5 octets. These architectures typically have a matching register file with registers width of 12 bits.

12-bit microprocessors

• Intersil 6100
• TLCS-12

12-bit systems

• CDC 160
• CDC 6600
• DEC DECmate
• DEC LINC
• DEC LINC-8
• DEC PDP-5
• DEC PDP-8
• DEC PDP-12

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