beautypg.com

Introduction – IEI Integration PM-1028 User Manual

Page 3

background image

3

1

Introduction

The PM-1028 is a PC/104-compliant 4-port or 8-port RS-232

module

with one TI 16C544Ahigh performance serial I/O chip

integrated on board. Its UART is compatible with the 16C550.
PM-1028 provides two ways of interrupt control mechanism –
shared or independent IRQ. Besides, its IO address and
interrupt status address are also selectable by jumpers.

1.1 Specifications:

Bus: PC/104.

Interrupt Level: 3, 4, 5, 7, 9, 10, 11, 12.

Chipset: TI 16C554A.

Baud Rate: up to 921.6K bps (at 14.745Mhz clock input).

Serial ports: 8 16C550-compatible UARTs -- PM-1028-8,

4 16C550-compatible UARTs -- PM-1028-4

Shared or Independent Interrupt.

Selectable Interrupt vector address.

Selectable I/O address.

Power Consumption: +5V @ 0.6A max.

Operating Temperature: 0° ~ 60 ° C.