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The Intel 80386EX (386EX) is a variant of the Intel 386 microprocessor designed for embedded systems. Introduced in August 1994 and was successful in the market being used aboard several orbiting satellites and microsatellites.
- Introduced August 1994
- Variant of 80386SX intended for embedded systems
- 26-bit memory addressing for up to 64 MiB of DRAM
- 16-bit data bus, limiting performance but reducing system cost
- Static core, i.e. may run as slowly (and thus, power efficiently) as desired, down to full halt
- On-chip peripherals:
- Significantly more successful than the 80376
- Used aboard several orbiting satellites and microsatellites
- Used in NASA's FlightLinux project
- Used in USRobotics Courier I modem V.everything (Internal ISA and External RS232 ISDN Terminal Adapters with 56KBPS analog remote access server).
- Used in Ericsson R290 satellite phone
- Used in many older Garmin GPS units, such as the GPS 48, II, III, and 12.
- Used in Akai S5000 & S6000 digital samplers.
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