12-bit computing
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| Computer architecture bit widths |
|---|
| Bit |
| Application |
| Binary floating-point precision |
| Decimal floating-point precision |
In
address buses, or data buses
of that size.
Before the widespread adoption of
PIC microcontrollers
use a 12-bit word size.
12 binary digits, or 3 nibbles (a 'tribble'), have 4096 (10000
System/360
instruction formats use a 12-bit displacement field which, added to the contents of a base register, can address 4096 bytes of memory in a region that begins at the address in the base register.
List of 12-bit computer systems
- Digital Equipment Corporation
- Ford EEC I automotive engine control unit
- Toshiba TLCS-12 microprocessor[1]
- Intersil IM6100 microprocessor (PDP-8-compatible)
- Control Data Corporation
- CDC 160 series computers
- CDC 6600 - Peripheral Processor (PP)
- National Cash Register NCR 315
- Scientific Data Systems SDS 92
- Nuclear Data, Inc. ND812
- PC12 minicomputer
- Ferranti Argus
- LINC, later commercialized by DEC as the LINC-8
- Electronic Arrays 9002 (12-bit addressing but 8-bit byte)
See also
- 12-bit wide cluster entries
References
- ^ "1973: 12-bit engine-control microprocessor (Toshiba)" (PDF). Semiconductor History Museum of Japan. Retrieved 27 June 2019.
External links
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