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Category Archives: Projects

Overclocking COM port

Monday, July 10, 2006

Most of recent mainstream motherboards have USART chip supporting speeds above 115200. However, there are few obstacles.

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SISAM Overview

Friday, July 7, 2006

SISAM – SImple SAMpler – is a simple PIC-based hardware for precision dual channel data acquiring with moderate resolution (up to 500 ksps in continous mode and up to 5 Msps for very short sequence). It uses USART and SSP for sampling signals and software routines for RS232 communication. USART is configured for synchronous master […]

Also filed in SISAM | | Comments (4)

SISAM Command Language

Friday, July 7, 2006

This chapter describes SISAM Command Language, provides Command Language BNF and describes SISAM responses

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SISAM Hardware

Friday, July 7, 2006

SISAM Hardware schematic is given on Figure 1. Besides the MCU PIC16F690 it includes a 20 MHz crystal and a RS232 matching circuit.

Also filed in SISAM | | Comments (1)

A disciplined approach for decomposing MP ASM project onto modules

Wednesday, June 21, 2006

MP ASM does not provide good facilities for creating well organized modules and defining interfaces like high-level languages do. The following approach may help you to fill this lacuna. 

Also filed in PIC | | Comments (0)

High speed RS232 for PIC

Tuesday, April 22, 2003

Abstract In this article author considers aspects of implementing RS-232 communication routines in Microchip PIC microcontroller’s software, describes technique to achieve high speed (>=115200) of transmitting and receiving data, dwells on hardware (CTS/RTS) flow control and illustrates how assembler macro may be used to generate transmitter and receiver routines for any given speed at any […]

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