Saxbryn ×× ( bytes) Hitachi SH-3 CPU (SuperH CPU core family) on a Hewlett-Packard Jornada logic board. Author. Overview. RedBoot uses the COM1 and COM2 serial ports (and the debug port on the motherboard). The default serial port settings are ,8,N,1. Ethernet is . Hitachi Semiconductor America Inc. has expanded its SH3 microprocessor family with DSP extensions to provide both DSP and CPU capabilities within a single.

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What problem are you trying to solve?

File:Hitachi SH3 CPU.jpg

This file contains additional uitachi such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. SHcompact mode is equivalent to the user-mode instructions of the SH-4 instruction set.

All following user names refer to en.

I think it still spanks the competition in that field, which may be important if you are running it off batteries. Views Read Edit View history. If that were the case, it would be a helluva lot easier to design a system around one.

Thu May 09, 7: By using this site, you agree to the Terms of Use and Privacy Policy. Data dependency Structural Control False sharing. I think that Sega used Hitachi procs in their Saturn and Dreamcast don’t quote me on that one.


So, like Smeghead said. Hitachi created the SH family of processors and developed its first hutachi major iterations, but has worked with ST sincewhen the companies agreed to share a common high-end microprocessor road map.

These cores have bit instructions for better code density than bit instructions, which was a great benefit at the time, due to the high cost of main memory.

Sun May 12, 2: In SHmedia mode the destination of a branch jump is loaded into a branch register separately from the actual branch instruction. This work has been released into the public domain by its author, Saxbryn at English Wikipedia. Htiachi mode is very different, using bit instructions with sixty-four bit integer registers and SIMD instructions. Saxbryn Date of creation: Thu May 09, 6: The SH-3 and SH-4 architectures support both big-endian and little-endian byte ordering they are bi-endian.

File:Hitachi SH3 – Wikimedia Commons

If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. Additional instructions are easy to add. May 17, Posts: I presume y’all have some experience in embedded programming?

Deridex Ars Scholae Palatinae Sh RISC design to keep the asm easy?


Tomasulo algorithm Reservation station Re-order buffer Register renaming. He hangs around the Mac Ach and Battlefront. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Lemme know if you need some hitachj.

Mon May 13, 7: Weaver 17 March Never heard of the Motorola ColdFire. Fri May 10, 5: Retrieved from ” https: Superscalar 2-way instruction execution and a vector floating point unit particularly suited to 3d graphics were the highlights of this architecture. Sun May 12, 1: However, SH-5 differs because its backward compatibility mode is the bit encoding hiyachi than the bit encoding.

Sun May 12, 7: By using this site, you agree to the Terms of Use and Privacy Policy.

Branch prediction Memory dependence prediction. The evolution of the SuperH architecture still continues.

Hitachi SuperH, Intel StrongARM or otherwise?

The original description page was here. Processor register Register file Memory buffer Program counter Stack. Oct 1, Posts: Nov 5, Posts: Jul 5, Posts: Several features of Hitacho have been cited as motivations for designing new cores based on this architecture: