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Page MSI-P563 User Manual

* 16550 interrupt input

Table 11. 1KOhm termination jumpers for JP7.

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Jumper Function Jumper Function
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JP7-1,2

1K for INTR2

JP7-5,6

1K for INTR3

JP7-3,4

1K for INTR1

JP7-7,8

1K for INTR0

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Table 12. Tri-state buffer enable jumpers for JP8.

JP8-1,2

INTR3 for 16550

JP8-5,6

INTR0

JP8-3,4

INTR2

JP8-7,8

INTR1

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Table 13. Interrupt input jumpers for JP5.

JP5-1

INTR0 input

JP5-4

INTRB of 82C55A

JP5-2

INTRA of 82C55A

JP5-5

INTR2

JP1-3

INTR1 input

JP5-6

GND

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Содержание MSI-P563

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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