M32R
The M32R is a 32-bit RISC instruction set architecture (ISA) developed by Mitsubishi Electric for embedded microprocessors and microcontrollers. The ISA is now owned by Renesas Electronics Corporation, and the company designs and fabricates M32R implementations. M32R processors are used in embedded systems such as Engine Control Units, digital cameras and PDAs. The ISA was supported by Linux and the GNU Compiler Collection but was dropped in Linux kernel version 4.16[1].
| Designer | Renesas Electronics |
|---|---|
| Bits | 32-bit |
| Introduced | 1997 |
| Design | RISC |
| Encoding | Fixed, 16- or 32-bit |
| Endianness | Bi |
| Registers | |
| 16× 32-bit integer registers | |
References
- Simon Sharwood (3 April 2018). "Linux 4.16 arrives, erases eight CPUs and keeps melting Meltdown". theregister.co.uk. Situation Publishing. Archived from the original on 3 April 2018. Retrieved 3 April 2018.
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