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4 SBC-350A User's Manual
• Bi-directional parallel port: Configurable to LPT1, LPT2, LPT3 or
disabled. Standard female DB-25 connector provided
• Serial ports: Dual RS-232 serial ports with 16C550 compatible
UARTs (16-byte FIFO for speeds up to 115 Kbps). Ports can be
individually configured as COM1, COM2 or disabled
åIndustrial features
• Watchdog timer:
The timeout interval is software programmable and can be set
between 2 to 30 sec.. Your program uses hex 043 and 443 to control
the watchdog and set the timeout period
• PC/104 Expansion:
A 64- and 40-pin, 16-bit bus connector for optional PC/104 modules
such as a Flash/RAM/ROM disk module and/or Flat-panel/CRT
VGA module
• Keyboard connectors: A 6-pin mini-DIN keyboard connector is
located on the mounting bracket for easy access. An external
keyboard adapter is also included. An on-board keyboard pin header
connector is also available.
åGeneral
• Max power required: + 5 V @ 1.2 A
• Power supply voltage: +5 V (4.75 V to 5.25 V), +12 V, -12 V
• Operating temperature: 32 to 140
o
F (0 to 60
o
C)
• Size: 7.3" (L) x 4.8" (W) (185 mm x 122 mm)
• Weight: 0.55 lbs. (250g)
• EMI: Pending
• MTBF: Pending
Locating components
This section identifies the location of the card's major components. It
also includes a list of the function of each of the card jumpers. The
figure on the following page gives an overall view of the card.