Overview
Design & Development
Software & Tools
Sample Code
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

Support
Support Communities
Support Communities
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Help with H8S/2633
I am new to H8S/2633. Need some help regarding setting up H8S/2633 micro for the first time like assigning ports, setting up serial port channels to specific tasks. I am wondering, is there any Application builder where I can simply assign desired I/O ports ...
May 15, 2009 -
Loading firmware into H8S/2633 without using FDT
Hi,We are using H8S/2633 in our project, I am stuck with a problem. For updating the firmware on the micro, we are doing it in boot mode and by using FDT Api dll. we had some issues when using the FDT dll. We have our own interface ...
May 14, 2009 -
Instruction Jump not allowed on h8s
I'd like to share a strange behavior that happened at least three times in a my applications, built on a h8s/2633F with IAR compiler.In an indeterminate conditions, that I have to found yet, the instructions pointer, during normal running of my code, it jumps to execute ...
Oct 20, 2010
FAQs
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H8S Family: Why is it an advantage to have individual vectors for each peripheral ?
"Speed of operation. The CPU does not have to consume time by interrogating a status register to determine which interrupt has been generated."
Mar 23, 2009 -
What causes IIC bus transfer rate master transmit/receive operation?
The pull-up resistance of the board may be so high that the SCL rise time is over the limit for the IIC bus. This would trigger the bit synchronization circuit. Therefore, please revise your pull-up resistance to make SCL rise time, within the MCU's permissible current range ...
Mar 19, 2008 -
How do I calcuate the case temperature of an IC?
"The case temperature could be calculated with following formulas: 1: Tj = Ta + Theta-ja x Q 2: Tj = Tc + Theta-jc x Q ==> 3: Tc = Ta + Theta-ja x Q - Theta-jc x Q Ta = ambient temperature Tc = case temperature Tj = junction temperature Theta-ja = thermal resistance junction-ambient ...
Jul 6, 2021