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PCCOM 8-PORT DB-62 RS-232 RISC, PCCOM 8-PORT DB-62 RS-422 RISC

DECISION COMPUTER INTERNATIONAL CO., LTD.

PCCOM 8-PORT DB-62 RS-232 RISC, PCCOM 8-PORT DB-62 RS-422 RISC

Card Type

Serial

Chipset

Cirrus Logic CL-CD1400

I/O Options

Serial ports (8), interrupt daisy chain

Data Bus

16-bit ISA

Card Size

Full height, half length

CONNECTIONS

Function

Label

Function

Label

RS-232 or RS-422 serial ports via DB-62 connector

IO1

Interrupt daisy-chain in

JP3

Interrupt daisy-chain out

JP2

   

Note:Standard DB-25 serial ports are provided on an included adapter cable.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Board is interrupt master

JP1

Closed

 

Board is interrupt slave

JP1

Open

Interrupt enabled

JP4

Closed

 

Interrupt disabled

JP4

Open

Note:When interrupt sharing is used, all boards should be set to interrupt enabled. When daisy-chaining is used, only the first board in the chain should be set to interrupt enabled.

INTERRUPT SELECTION

Setting

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

SW1/9

3

On

Off

Off

Off

Off

Off

Off

Off

Off

4

Off

On

Off

Off

Off

Off

Off

Off

Off

5

Off

Off

On

Off

Off

Off

Off

Off

Off

6

Off

Off

Off

On

Off

Off

Off

Off

Off

7

Off

Off

Off

Off

On

Off

Off

Off

Off

10

Off

Off

Off

Off

Off

On

Off

Off

Off

11

Off

Off

Off

Off

Off

Off

On

Off

Off

12

Off

Off

Off

Off

Off

Off

Off

On

Off

15

Off

Off

Off

Off

Off

Off

Off

Off

On

SHARED MEMORY ADDRESS SELECTION

Setting

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

80000h

On

On

On

On

On

On

82000h

Off

On

On

On

On

On

84000h

On

Off

On

On

On

On

86000h

Off

Off

On

On

On

On

88000h

On

On

Off

On

On

On

F6000h

Off

Off

On

Off

Off

Off

F8000h

On

On

Off

Off

Off

Off

FA000h

Off

On

Off

Off

Off

Off

FC000h

On

Off

Off

Off

Off

Off

FE000h

Off

Off

Off

Off

Off

Off

Note: A total of 64 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/6 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/6=262,144, SW1/5=131,072, SW1/4=65,536, SW1/3=32,768, SW1/2=16,384, SW1/1=8,192. Turn off the switches and add the values of the switches that are off to 524,288 to obtain the correct memory address. (Off=1, On=0)