General Hardware Input/Output
Autos, Relays &
OSI 3 - Network layer
TCP/IP (aka "The Internet"),
Packet Radio, EDI,
Telephone / pagers
Logic Levels, Digital
to Analog, Analog to Digital,
DSP, Modem signals,
/techref/pcbixmax.htm Maximum interconnect options from
minimum board space+
DesignGroupLa of DAC
Modem features like AT command set, DTMF decode and Caller ID Ring detect
and audio I/O for PIC
http://www.learn-c.com/ Control And
Embedded Systems. Tutorials and a Low cost PC IO board design.
Peacock's superb guide to all things serial and parallel.
has info on various ports (parallel, serial, keyboard, etc.)
The comp.sys.ibm.pc.hardware.* FAQ (posted on news.answers and
comp.sys.ibm.pc.hardware.misc, available via ftp from
contains connector/bus pinouts and other useful information.
IBM, Technical Reference, Personal Computer AT, 1984
"The IBM Personal Computer, from the Inside Out" by Sargent and Shoemaker
(published by Addison-Wesley) provides a lot of information about interfacing
an IBM type PC to various things.
Talking to a floppy control from NC4000:
Using a non-DOS machine to talk to a DOS disk
www.national.com Look up the datasheets
for their super-IO parts, which have Paralell Port, Serial Port, RTC, Floppy
Controller, all in one chip.
16- and 32-bit DLLs for port I/O may be found at:
WINio.Dll and WIN32io for Windows 95
Accessing PC I/O ports in Windows
EDE300 Application Note #1: Device Control via the PC
http://www.elabinc.com In the 'Integrated
Circuits' section under 'EDE300'
The Analog Devices AD9850 is a CMOS, 125 MHz complete direct digital synthesiser
on a single chip. It uses a single 5 V or 3.3 V supply, and with a 125 MHz
clock, can generate a low-distortion sine wave or a square wave, from under
1 Hz up to about 60 MHz, with a tuning resolution of 0.0291 Hz. Full data
on the device is available from ADI's web site: http://www.analog.com
Commercial Communication Standards
from the Defense Information Systems Agency
- audio recording info.
"low-cost interface boards" to plug into a PC (ISA, PCI, serial, parallel,
USB, FireWire, ...)
analog input/output: see io/atod.htm
spamdude2z at ~NOSPAM~yahoo.com
I'm trying to build be a cnc machine controlled with a PC computer.
Has anybody used the X100 PC ISA I/O board from Tecel?
I would like to know how reliable is it.
$40.00 : the X100 PC ISA I/O board from Tecel
Maximum interconnect options from minimum board space
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