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DOS STAMP Development Boards
DOS Stamp boards, manufactured
by Bagotronix Inc., of
Florida, USA,
can provide an excellent
solution for those applications
requiring the
power of an AMD188ES processor
running at 40MHz, with
PC compatibility,
ISP (In-System-Programming)
via Flash, available software-based
power-up and down via
RTC , multiple low-power
modes, in a small footprint
of 6.60cm x 5.08cm.
It is also possible to add a powerful
12-bit, 8-channel A/D converter,
and an M-Systems Disk-on-Chip 2000 module from 8MB to 144MB.
L&R
Ingeniería has
designed for the DOS Stamp
a carrier board
named DS4AUX (Figures
1,2) , identical in dimensions
to a traditional PC/104
board (in mm: 96.52 x
91.44 x 15.24) adding
the following functions:
-
Expanded Digital Input/Output using an 82C55 PPI Chip (SMT mounted).
-
4
Key expandable Keyboard
connector.
-
Alphanumeric LCD port, with -V(lcd) generator,
contrast control and backlight control transistor.
-
Expanded Watchdog
IC (MAX813L) with DISABLE,
RESET generator and header for external
RESET and KICKSTART switches.
-
Separated 10-pin Headers
for COM1 / COM2 and RS485. COM2 with RS485, con línea DCD
DCD for Modem control.
-
Main Vcc MOSFET for Power ON/OFF
using ALARM output of RTC.
-
Analog Input stage with 8
active low-pass filters, bypass capable,
and 4.096V Vref buffer(MAX492).
-
Limited/protected input for frequency measurement
including Schmitt buffer/inverter.
- 1 Header
for DOS Stamp bus expansion.
- 1 50-pin Header
for 82C55 Ports access, Micro/Sys Netsock/100 compatible pinout.
Figure 1: DS4AuxC with DOS Stamp
Similarly to its PC/104 cousins, the DOS Stamp behaves like an
industrial PC, with multiple advantages:
-
Ease of programming: The
DOS
Stamp
includes the la
80186
Embedded
BIOS
and
DOS
4.0
from
General Software,
Inc.
It include a powerful
File System, with support for a
subset
of the traditional DOS commands.
-
The programming tools
(compilers, linkers, cross-assemblers)
are widely available and relatively low cost, since they
share the wide market of the PCs. By contrast, good quality
tools for other processors are in limited offer
usually very expensive.
-
A complete Real-Time Operating System
with multitasking capability can be integrated, or a
simpler, cheaper Real-Time Executive such
as uC/OSii of
J. Labrosse can be deployed.These executives do not
replace DOS, but they provide reliable multitasking
and predictable execution timing.
-
We can provide the DS4Auxc with or without the DOS Stamp
(it can be purchased directly from:
www.bagotronix.com),
with full documentation and board schematics, and a
CD with software to start working
right away in C.
Please contact us
for additional
DOS Stamp and DS4cAux
pricing, info and availability.
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