User`s guide

4 • Introduction

• Mode: Bus Mastering DMA with Scatter/Gather

• Data Transfers: 8/16/32-bit input or output (programmable)

♦ DMA Transfer count:

• 2M double words (8M bytes) for non-chaining mode DMA

• No limitation for chaining mode (scatter/gather) DMA

♦ Max. Transfer rate:

• DO: 80M Bytes/sec: 32-bit output @ 20 MHz

• DI: 80M Bytes/sec: 32-bit input @ 20 MHz

♦ Programmable Counter:

• Device: 82C54-10

• Digital Input Pacer: 20MHz, 10MHz, or clock output of Timer #0

• Digital Output Pacer: 20MHz, 10MHz, or clock output of Timer #1

• General Purpose Timer: Output of Timer #2

• General Specifications

♦ Connector: one 100-pin male SCSI-II style cable connector

♦ Operating Temperature: 0° C ~ 60°C

♦ Storage Temperature: -20° C ~ 80°C

♦ Humidity: 5 ~ 95%, non-condensing

♦ Dimension: Compact size only 179mm(L) X 102mm(H)

♦ Power Consumption:

• +5 V @ 830 mA max. with on-board terminator off

• +5 V @ 1.0A max. with on-board terminator on