Quatech QS-200M User Manual

WARRANTY INFORMATION Qua Tech Inc. warrants the QS-200M/QS-300M tobe free of defects for one (1) year from the

FUNCTIONAL DESCRIPTION IIIC. FIFO CONTROL REGISTER* +------+

FUNCTIONAL DESCRIPTION RRST - Receive FIFO Reset:*When set (logic 1), all bytes in the

FUNCTIONAL DESCRIPTIONSTKP - Stick Parity:Forces parity to logic 1 or logic 0 if p

FUNCTIONAL DESCRIPTION IIIE. MODEM CONTROL REGISTER +------+

FUNCTIONAL DESCRIPTION IIIF. LINE STATUS REGISTER +------+ D7 | FFR

FUNCTIONAL DESCRIPTION Bits BI, FE, PE, and OE are the sources of receiverline status

FUNCTIONAL DESCRIPTION IIIG. MODEM STATUS REGISTER +------+

FUNCTIONAL DESCRIPTION IIIH. SCRATCHPAD REGISTER This register is not us

BAUD RATE SELECTION J1 J1 +-----------+ +---

BAUD RATE SELECTION VI. ADDRESSING The QS-200M/QS-300M uses 8 I/O address locationsper chan

TABLE OF CONTENTS WARRANTY INFORMATION . . . . . . . . . . . . i LIST OF FIGURES . . . . . . . . . . . . . iii I.

ADDRESSING BASE ADDRESS = 0300H 1 2 3 4

INTERRUPTS VII. INTERRUPTS The QS-200M/QS-300M is capa

INTERRUPTSINTERRUPT STATUS REGISTER An interrupt status

OUTPUT CONFIGURATIONS VIII. OUTPUT CONFIGURATIONS The function of jumper J2

EXTERNAL CONNECTIONS IX. EXTERNAL CONNECTIONS Figure 22. Outpu

INSTALLATION X. INSTALLATION1. Set base address switches an

INTRODUCTION LIST OF FIGURESFigure 1. QS-200

INTRODUCTION I. INTRODUCTION The QS-200M is a four chann

BOARD DESCRIPTION Figure 1. QS-200M/QS-300M board layout.

FUNCTIONAL DESCRIPTION Designed to be compatible with the 16450, the16550 ACE enters character mode on res

FUNCTIONAL DESCRIPTION IIIA. INTERRUPT ENABLE REGISTER +-------+ D7

FUNCTIONAL DESCRIPTION IIIB. INTERRUPT IDENTIFICATION REGISTER +--

FUNCTIONAL DESCRIPTION +---------------------+----------+---------------------+| IID2 IID1 IID0 IP | Priority | Interrupt Type |+-----------