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PC104 586 Single Board Computer - PCM-586
This product is not recommended for new designs.
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- 133 MHz 5x86 PC/104 single board computer
- PC-AT software compatible
- Runs DOS and Windows CE/3.1/95/98/NT
- Up to 32Mbytes of surface mounted EDO DRAM
- Solid state disk socket supports onboard bootable 32-pin
DIP PE-ROM, SRAM or (EP)ROM
- Supports Flash Disk (DOC2000 and DOC2800)
- Industry standard BIOS with POST
- 16-bit PC/104 bus expansion connector
- Two serial ports; COM1 and COM2 with RS-232, optional
RS-422/485 for both channels
- EPP/ECP-compatible printer port (LPT)
- Onboard 16-bit IDE hard disk interface
- Onboard floppy disk controller
- AT-compatible keyboard controller
- PS/2 Mouse port
- Standard PC/AT interrupt controllers, DMA
controllers and counter timers
- Real-time clock with battery backup
- Watchdog timer and power fail reset
- Status and hard disk activity LEDs
- Speaker port
- Small size: 3.6 x 3.8 inches (90mm x 96mm)
- +5 volt only operation
- Operational temperature: -40° to +70°C
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OVERVIEW
WinSystems’ PCM-586
is a compact, 5x86-compatible single board computer (SBC).
It provides PC-AT power, performance and compatibility
for space- and budget-limited industrial applications.
Even though the board is PC-AT compatible, it will operate
without disks, key-board or a monitor.
The PCM-586 is well suited for portable and mobile products because of its small
size, onboard Floating Point Unit, +5V operation, and vast amount of software
tools, utilities, and operating systems support.
The PCM-586 can operate as a standalone SBC or expanded with PC/104 modules to
meet a system’s hardware configuration requirements.
FUNCTIONAL CAPABILITY
Processor - The PCM-586 CPU
operates at 133 MHz. It includes a high-performance, 80-bit
floating point processor (FPU) for math intensive applications.
The AMD5x86 CPU also includes 16KB of onboard cache. The
core logic is based upon the Auctor 2089 which includes the
DRAM controller, bus interface, the AT peripheral core logic,
two COM channels, FDC and IDE controllers, keyboard and mouse
controllers, and printer port on a single highly integrated
chip.
Memory - Up to 32Mbytes of
surface mounted EDO Dynamic RAM is populated on the board
with options of either 4MB, 16MB or 32MB. These parts are
soldered directly onto the board to improve reliability for
applications subject to shock and vibration.
The PCM-586 is shipped from the factory with an industry standard BIOS installed
in a 128KB Flash PEROM. At reset, the BIOS is shadowed into the DRAM so that
it will execute faster.
Solid State Disks (SSD)- A user can substitute onboard semiconductor devices
for applications where the environment is too harsh for mechanical hard disks
or floppy disk drives while offering significant speed advantages.
The 32-pin socket can support a 512K x 8 EPROM, SRAM, or Atmel Flash (PEROM),
a 1M x 8 EPROM, or a M-Systems’ DiskOnChip2000.
WinSystems provides an installable device driver called USSD.SYS for use with
MS-DOS and ROM-DOS operating systems. The driver supports both PEROMs (+5V Flash)
and SRAMs.
ROMDISK - A diskette imaging
program called MK-DISK is provided to simplify the creation
of a bootable ROMDISK made from a floppy diskette. Since
the bootable ROMDISK is an exact image of a bootable floppy
diskette, all testing and debugging can be accomplished by
using a floppy drive. Once the application is ready for ROM,
it is a simple matter to use the MKDISK utility to create
the EPROMs necessary for a bootable ROMDISK equivalent of
the functioning floppy.
Flash Disk Support - A 32-pin, M-Systems’ Disk-OnChip2000
is also supported as a higher density, cost-effective, SSD option. Capacities
are 8 to 288 megabytes which are available in either commercial or industrial
temperature ranges.
A single device provides a capacity from 8 to 288 MByte and it includes an integrated
flash file system. The file system provides hard disk read/write compatibility,
automatic bad block management, and wear leveling. It works in a variety of operating
system environments
such as DOS, Windows CE/95/98/NT, pSOS+, QNX, Linux and even non-O/S environments
as well.
Direct Memory Access (DMA)- Seven, 8237-compatible
DMA channels are supported with Channel 0 dedicated to the DRAM refresh and Channel
2 dedicated to the floppy disk controller. The other channels are wired to the
PC/104 connector.
3.5 ”and 5.25 ”Floppy Disk Support - Up to 2 floppy disk drives
are supported by the on board controller which provides access via a standard
34-pin connector.
16-Bit IDE Hard Disk Interface - A 40-pin header
connector handles all command, data, and status I/O lines to an industry standard
IDE interface. A status LED provides
a visual status during data transfers.
The IDE interface can be cabled directly to WinSystems’PCM-CFLASH. This
is a PC/104 adapter module that supports removable CompactFlash cards while offering
hard disk software compatibility.
Serial Communications - A dual 16C550-compatible
port provides two independent, double-buffered, full-duplex, asynchronous serial
channels. Each channel has a 16-byte FIFO for the transmit and receive channels.
The ports are mapped at COM1 and COM2 respectively which offers software compatibility
with
PC-type driver programs.
Independent control of transmit, receive, line status and data set interrupts
are on both channels. Each channel is setup to provide internal diagnostics such
as loopback and echo mode on the data stream. The unit contains two independent
on-chip software programmable baud rate generators selectable from 50 through
115.2 K bits per second. Individual modem handshake control signals are supported
for both channels.
RS-232 interface levels are supported on both channels. The RS-232 drivers have
an on-chip charge pump to generate the plus and minus voltages so that the PCM-586
only requires +5 volts to operate.
Optionally, both RS-422 or RS-485 electrical levels can be supported on both
COM1 and COM2 by removing the RS-232 transceivers and installing the optional
CK-75176 chip kit. The RS-422/485 configuration provides separate balanced transmit
and receive signal pairs. For
RS-485 multi-drop lines, one signal pair can be used for "party line" network
structures.
Both serial channels are configured as Data Terminal Equipment (DTE) and wired
to a 50-pin connector at the edge of the board. WinSystems offers the optional
CBL-247-1 which adapts each serial channel to 9-pin
male “D” connectors with PC-AT compatibility.
Line Printer Port - The PCM-586 provides for a
Centronics-type parallel printer port. Its configuration register allows the
port to be programmed in either a PS/2 type bidirectional parallel port, Enhanced
Parallel
Port (EPP), or Extended Capabilities Port (ECP) modes.
The printer port mapped at LPT1 (278-27F hex). The parallel signal lines are
wired to J2, the 50-pin right
angle connector. WinSystems’ CBL-247-1 Multi-I/O cable adapts the signals
from the PCM-586 to a 25-pin
female “D” socket connector with strain relief.
Keyboard Controller - An integrated 80C42 equivalent keyboard controller
supports a PC/AT-type keyboard. It
is accessed via the CBL-247-1 cable.
I/O Connector - WinSystems offers a Multi-I/O
connector for the COM1, COM2, LPT1 and keyboard. These four ports are combined
into one 50-pin header at the top of the board. The CBL-247-1 is a 1 foot adapter
cable that offers a more convenient termination. COM1
and COM2 are 9-pin male “D” with strain relief. LPT1 is
a 25-pin “D” female socket with strain relief. The key-board is a
standard 5-pin DIN connector.
PS/2 Mouse Input - A PS/2-compatible mouse controller
is on the PCM-586. Its input is accessible through
a 5-pin connector on the board’s edge. WinSystems offers an optional CBL-225-1
adapter cable to interface
to the PS/2 mouse connector.
Interrupts - Two 82C59A compatible interrupt controllers
accept inputs from the onboard peripherals and the PC/104 Bus for a total of
twelve selectable interrupt
sources.
Timers - Three, independent 82C54 compatible 16-bit
timers are supported. Channel 0 is wired to interrupt Channel 0, Channel 1 generates
the DRAM refresh using
DMA Channel 0, and Channel 2 is used by the speaker port.
Real-Time Clock/Calendar - A Dallas Semiconductor
DS12885 real-time clock is used as the AT-compatible clock/calendar. It supports
a number of features including periodic and alarm interrupt capabilities. In
addition to the time and date keeping functions, the system configuration is
kept in CMOS RAM contained within
the clock section.
Watchdog Timer - A software/hardware enabled,
retriggerable watchdog timer is provided. This timer must be updated at least
once every 1.5 seconds otherwise a failure is assumed and the board will be reset.
This circuit
is important for use in remote and unattended applications.
Reset - A precision voltage comparator monitors
the +5 volt status. Upon detection of an out-of-tolerance condition, the board
is reset. This action is critically important in order to detect brown-out or
power fail conditions. The reset circuit also ensures that the power is nominal
before executing a power-on reset. This circuit
also inhibits the processor’s memory write line, preventing invalid data
from being written to battery
backed static RAMs or EEPROMs during power fluctuations.
Battery Back-up - A 350 mAH battery supplies the
PCM-586 board with standby power for either or both SRAM memory sockets, the
real-time clock and CMOS set-up
RAM.
A power supervisory circuit contains the voltage sensing circuit and an internal
power switch to route the battery or stand-by voltage to the circuits selected
for backup. The battery automatically switches ON when the Vcc of the systems
drops below the battery voltage
and back OFF again when Vcc returns to normal.
Speaker - An 3-pin header is provided for the
speaker output. An optional ADP-SPEAKER board is available from WinSystems that
includes an amplifier and speaker
for remote mounting.
PC/104 Bus -The PCM-586 board is populated with
either a 16-bit, stackthrough or non-stackthrough,
PC/104 Bus connector. A “-ST” suffix identifies the board if it has
a stackthrough connector installed.
The PC/104 connector allows multiple PC/104 modules to easily plug together without
requiring a backplane. Video, analog I/O, digital I/O, modems, LANs, or other
special purpose cards can be installed to meet the applications’hardware
requirements.
Power - Power is brought into the board through
an 8-
pin connector. The ±12 volts is wired directly to the PC/104 connector
and is not used by the PCM-586.
SOFTWARE SUPPORT
The PCM-586 is designed to be PC-AT software compatible. This means that it will
work with a host of operating systems software, executives, development tools
and utilities to quickly create software for embedded systems. It works with
ROM-DOS, MS-DOS, Linux, Windows NT and Windows 3.1/95/98/CE as well as other
popular real-time operating systems such as QNX, VxWorks and RTXC that require
a “PC/AT” hardware
environment.
An Award, industry standard BIOS is supplied that provides configuration flexibility,
performance and AT compatibility. It supports both 720KB and 1.44MB 3.5 inch
and 360KB and 1.2MB 5.25 inch floppy disk drives, AT-compatible keyboards, and
other standard BIOS features. Additionally, it supports a remote serial console
allowing the PCM-586 to be set and the system run through the COM1 or COM2 ports
without the need for
a keyboard or display.
Software Developers Kit (SDK)- WinSystems offers
the SDK2-PCM-104 software developers kit to supply the necessary hardware, software
and cables to begin program development with the PCM-586 board. It consists of
Microsoft DOS 6.x, CBL-247-1 Multi-I/O cable, a 2GB or larger hard disk plus
controller cable, an 1.44MB high density 3.5 inch floppy disk plus controller
cable, speaker/ amplifier and triple output power supply housed in a black anodized
enclosure.
ROM-DOS Developers Kit (RDK)- WinSystems also offers several different
Flash-based developers kits for those applications that do not need rotational
media during development. When you order a PCM-586 along with the RDK of your
choice, WinSystems will jumper the CPU, program and install the Flash part to
your PCM-586. The RDK includes a PS-50W-1, PCM-POST, Flash memory, ROM-DOS, cables
and utility software.
SPECIFICATIONS
Electrical
PCM-586 CPU Clock: 133 MHz
PC/104 Interface: 16-bit, stackthrough or non-stackthrough
Serial Interface: 2 Serial channels with RS-232 levels,
RS-422/485 optional using the
CK-75176 kit.
LPT Interface: Bidirectional Centronics type
IDE Interface: 16-bit, supports 2 drives
Floppy Disk Interface: BIOS supports one or two360K/720K/1.2M/1.44M
drives
Vcc=+5V +5% @ 1.2A typ: PCM-586-133
System Memory
Addressing: 32 Megabytes
Capacity: 4, 16, or 32MB of EDO DRAM
Solid State Disk
Capacity: One 32-pin memory socket supports upto 512KB SRAM
or Atmel Flash, 1MB
EPROM, or up to a 288MB DiskOnChip2000
Mechanical
Dimensions: 3.6” x 3.8” (90 mm x 96 mm)
Jumpers 0.025” square posts
Connectors
Serial, Parallel, Keyboard: 50-pin 0.100” grid
Floppy Disk Interface: 34-pin 0.100” grid
IDE Interface: 40-pin 0.100” grid
PS/2 mouse: 5-pin in-line Molex
PC/104 Bus: 64-pin 0.100” socket
40-pin 0.100” socket
Power: 8-pin in-line Molex
Speaker: 3-pin header
Environmental
Operating Temperature: -40° to +70°C
Non-condensing relative humidity: 5% to 95%
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| ORDERING INFORMATION |
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| Part Number |
Description |
| PCM-586-133-4M |
4MB, 133MHz, PC/104 SBC |
| PCM-586-133-4M-ST |
4MB, 133MHz, PC/104 SBC with Stackthrough |
| PCM-586-133-8M |
8MB, 133MHz, PC/104 SBC |
| PCM-586-133-8M-ST |
8MB, 133MHz, PC/104 SBC with Stackthrough |
| PCM-586-133-16M |
16MB, 133MHz, PC/104 SBC |
| PCM-586-133-16M-ST |
16MB, 133MHz, PC/104 SBC with
Stackthrough |
| PCM-586-133-32M |
32MB, 133MHz, PC/104 SBC |
| PCM-586-133-32M-ST |
32MB, 133MHz, PC/104 SBC with
Stackthrough |
| Part Number |
Description |
| SDK2-PCM-586 |
Software Developers Kit |
| RDK-PCM-271-8F |
ROM-DOS Developers Kit with 8MB
DiskOnChip |
| RDK-PCM-271-16F |
ROM-DOS Developers Kit with 16MB
DiskOnChip |
| RDK-PCM-271-32F |
ROM-DOS Developers Kit with 32MB
DiskOnChip |
| Part Number |
Description |
| CBL-SET-271-1 |
Cable Set includes:
CBL-162-1,CBL-174-1,CBL-225-1,& KIT-SPEAKER ASSY. |
| CBL-162-1 |
Multi-I/O cable with PC-AT keyboard
connector |
| CBL-174-1 |
Power cable for sbc (unterminated) |
| CBL-225-1 |
PS/2 mouse adapter |
| CBL-247-1 |
Multi-I/O cable with PS/2 keyboard
connector |
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| Please click here to
go the DiskOnChip® Ordering Information page. |
| Part Number |
Description |
| CK-75176-2 |
RS-422/485 chip kit for 1 channel |
| KIT-SPEAKER ASSY. |
Speaker with adapter cables. |
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Downloads
| Printable datasheet in PDF format |
PCM-586
(PDF) |
| Electronic product manual in PDF format (requires
login) |
Manual
PDF |
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| Serial Console Utilities: |
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| Serial Console Copy Utility for PCM-586 |
scopy.zip |
| Serial Console Client for PCM-586 |
wincom.zip |
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| Example of reprogramming DOS tick for high resolution
timing |
tickdemo.zip |
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| Serial Console Utilities: |
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| Generic 38400baud Serial
console redirect for COM1 |
scon1.zip |
| Generic 38400baud Serial
console redirect for COM2 |
scon2.zip |
| Generic 9600baud Serial
console redirect for COM1 |
sc19600.zip |
| Generic 9600baud Serial
console redirect for COM2 |
sc29600.zip |
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