PERIPHERALS ® PROVEN SOLUTIONS FOR EMBEDDED CONTROL ™ MiniModule /SSP Dual-serial and parallel port expansion module lTwo PC-compatible RS232C serial ports lOne PC-compatible bidirectional parallel port lRS422 or RS485 option on one serial port lCompact PC/104™ form-factor lLow power, rugged, and reliable lWide operating temperature range The MiniModule/SSP expansion modulelRS485 multi-drop option: onelBidirectional parallel port provides two serial ports and one parallel serial port can also be configured for operation: the parallel port provides port in a compact, low power, PC- RS485 differential pair operation. bidirectional data lines. This is compatible unit designed to stack Like RS422, RS485 provides more useful for programmable digital I/O, directly with Ampro’s Little Board™ and reliable data transmission than does when the port is not needed for CoreModule™ family products. RS232C. RS485 is used when printer connection. bidirectional or multi-drop sharing of Because of its compatibility with a single wire pair is desired. Multi-lInterrupt sharing: multiple ports, standard PC serial and parallel ports, drop operation requires specialized on one or several modules, can share the MiniModule/SSP is supported by software algorithms to assure that a single bus interrupt signal. This virtually all operating systems, drivers, only one node transmits at a time. permits interrupt-based operation of utilities, and applications for serial and more ports than would normally be parallel port control, data transfer, andlRS422 option: one serial port can possible in a standard PC communications. be configured for RS422 differential environment. pair operation. RS422 is useful in Enhanced Features applications requiring long cable In addition to its standard PC-compatible lengths (up to 4000 feet), high data features, the MiniModule/SSP provides rates (up to 57.6K bps), or in several enhancements intended for use in electrically noisy environments. embedded applications: Full-duplex operation is supported. AMPRO COMPUTERS, INC. • 990 Almanor Avenue, Sunnyvale, CA 94086 • Telephone (408)522-2100 • Fax (408)720-1305 67 ™ MiniModule /SSP SPECIFICATIONS ORDERING INFORMATION GENERAL When ordering, refer to the following model numbers: lI/O port addressing: each port independently lMMX-SSP-K-51 Development Kit, MiniModule/SSP, stackthrough bus configurable to any 8-bit boundary lMMX-SSP-Q-51 MiniModule/SSP, stackthrough bus (Quantity Orders)lInterrupt options: lCBL-SSP-Q-01 Cable set for MiniModule/SSP (2 serial and 1 parallel) — Each port independently configurable to IRQ2-IRQ7lACC-422-Q-01 RS422/485 upgrade kit — All ports provide PC/104-style interrupt The Development Kit includes: MiniModule/SSP with stackthrough bus, cable set, RS422/485 sharing option upgrade kit, and technical manual. Quantity orders include only the module. Please contact your local Ampro representative or Ampro Sales Administration for ordering SERIAL PORTS information. lStandard PC-compatible COM port (82C50 equivalent) lProgrammable interface characteristics: MECHANICAL AND ENVIRONMENTALlOperating environment: — 5-, 6-, 7-, or 8-bit characters —0° to 70° C temperature, standard; — Even, odd, or no paritylSize: 3.6 × 3.8 × 0.9* in. (90 × 96 × 23 mm) extended temperature screening available * Includes stackthrough pins. See PC/104 — 1, 1-1/2, or 2 stop bits by special order Specification for stacking and other dimensions. lData rates: — 5% to 95% relative humidity, non-condensinglPC/104: — RS232C: 50 to 19.2K bps lStorage temperature: -55° to +85° C — 8-bit stackthrough bus — RS422 and RS485: 50 to 57.6K bps lWeight: 3.4 oz. (96 gm) — Two mounting holes lPower requirement (typical): 100 mA at PARALLEL PORT NOTE: Contact Ampro regarding custom +5V ±5% (±9V for RS232C generated lStandard PC-compatible parallel printer port configurations and special order options. onboard) lBidirectional data lines 68 AMPRO COMPUTERS, INC. • 990 Almanor Avenue, Sunnyvale, CA 94086 • Telephone (408)522-2100 • Fax (408)720-1305 CUSTOMER SERVICE HOTLINE: 1 (800)966-5200 • FAX-ON-DEMAND: (408)522-3678