[uClinux-dev] h8 board

Scott Howard scott at sthoward.com
Tue Mar 18 17:46:18 EST 2003

The H8 has a 16-bit data bus, a 24-bit address bus and 32-bit registers 
- one of everything!! :-)

This CPU is definitely capable of running uclinux. There is already a 
port of uclinux to the H8/300H architecture. Have a look at the 
following link:


I believe it's already in CVS at uclinux.org.



Richard Klingler wrote:

>>i'm sorry for not specifing about using ucLinux for h8/300H hitachi family.
>>i've seen some web pages about the project.
>>h8s and h8/300h share the same core, right? 16-bit. it is possible to 
>>run uclinux on those. further, h8/tiny is somekind of "enhanced" - as 
>>stated in their docs - h8/300h. thus running uclinux on it shouldn't be 
>>a problem...
> Please read the datasheet next time (o;
> This LSI has an H8/300H CPU with an internal 32-bit architecture that is upward-compatible with the H8/300CPU, and supports only normal mode, which has a 64-kbyte address space.
> Never saw any uClinux which could fit onto 64kbytes...(o;
> As told before...there is no 16-bit (uC)linux version and never will.
> Rick
> Richard Klingler             mail: richard.klingler at violasystems.com
> Viola Systems Ltd.           http://www.violasystems.com/
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