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Micricomputer Systems MSI-P563, User Manual

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   Page                                      MSI-P563 User Manual

       

      PC/104                            16550

               BUS

       SERIAL I/O

         INTERFACE

        CHANNEL

           10-PIN
      CONNECTOR

                         50-PIN

      CONNECTOR

           10-PIN
      CONNECTOR

           10-PIN
      CONNECTOR

        CLOCK
         INPUT
      BUFFERS

              RS-232C
           INTERFACE

           RS-422/485
           INTERFACE

          82C55A
  24 TTL I/O LINES

       

    82C54

       INTERVAL
         TIMER

PC/104 8-BIT STACKTHROUGH

CONNECTOR

Figure 2. Block Diagram of the MSI-P563.

             2

Summary of Contents for MSI-P563

Page 1: ...al Input Output Card USER MANUAL PC 104 Embedded PC Industrial I O Series Microcomputer Systems Inc 1814 Ryder Drive Baton Rouge LA 70808 Ph 225 769 2154 Fax 225 769 2155 http www microcomputersystems...

Page 2: ...SCRIPTION 4 1 1 1 A Card Addressing 4 B 82C55A Programmable Peripheral Interface 5 C 16550 Serial Port RS 232C Selection RS 422 Selection RS 485 Selection 5 D 82C54 Programmable Interval Timer E Inter...

Page 3: ...rammable as 8 bit groups of input or output lines Port C is programmable two 4 bit groups of input or output lines Provisions for implementing an interrupt driven strobed I O mode are also included us...

Page 4: ...ACE CHANNEL 10 PIN CONNECTOR 50 PIN CONNECTOR 10 PIN CONNECTOR 10 PIN CONNECTOR CLOCK INPUT BUFFERS RS 232C INTERFACE RS 422 485 INTERFACE 82C55A 24 TTL I O LINES 82C54 INTERVAL TIMER PC 104 8 BIT STA...

Page 5: ...provide RX and TX Input connections are made using a 10 pin connector J4 A82C54 intervaltimerprovidesthree16 bittimersprogrammable in six modes Option jumpers are provided for all gates clock inputs a...

Page 6: ...r example installing JP2 1 2 and JP2 9 10 gives a base address of 7400H Table 1 Base address and serial I O jumper designations Jumper Address Jumper Address J2 1 2 A15 J2 11 12 A10 J2 3 4 A14 J2 13 1...

Page 7: ...82C55A U9 provides 24 TTL I O lines via 50 pin connector J1 The pin assignments are compatible with Opto 22 type I O as given in Table 3 Ports A and B of the 82C55A can be programmed as either input...

Page 8: ...a serial I O port that is selectable as for RS 232C RS 422 or RS 485 protocols The 16550 is compatible with the UART used in the IBM PC The interrupt output for the device denoted as UARTINT see schem...

Page 9: ...eive modes are controlled by OUT1 of 16550 as described in Section II C 3 Line termination resistor R4 Tx Rx is inserted by installing jumper JP10 1 Table 5 RS 232C connector J3 pin outs Pin No Functi...

Page 10: ...n outs are described in Table 7 If a line termination resistor is required install jumper JP10 1 to insert 120 Ohms across the transmitter receiver I O TX RX Thetransmitandreceivemodesofthe16550UARTar...

Page 11: ...8 Jumpers for 82C54 configuration Jumper Function Jumper Function JP4 1 GATE0 JP4 8 CLK2 JP4 2 CLK0 JP4 9 OUT2 JP4 3 OUT0 JP4 10 INVERT IN JP4 4 GATE1 JP4 11 SYSCLK JP4 5 CLK1 JP4 12 INVERT OUT JP4 6...

Page 12: ...JP8 When other cards are using the same interrupt line chosen in step 1 insert the appropriate jumper for INTx This results in the tri state buffer of INTx being enabled only when an interrupt request...

Page 13: ...R3 JP7 3 4 1K for INTR1 JP7 7 8 1K for INTR0 Table 12 Tri state buffer enable jumpers for JP8 Jumper Function Jumper Function JP8 1 2 INTR3 for 16550 JP8 5 6 INTR0 JP8 3 4 INTR2 JP8 7 8 INTR1 Table 13...

Page 14: ...or 8 Bits Stop Bits 1 1 5 or 2 Parity Even odd or none Interfaces RS 232C RS 422 RS 485 Control CTS RTS DSR DTR RI and DCD RS 232C Connectors Two 10 pin 0 100 grid AMP 1 103311 Counters Timers Device...

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