Ciprico Rimfire 3880 User Manual download pdf (Page 152)

21020285 D User’s Guide

Chapter 7 Board-control Commands

Page 7 - 28 Target Mode Enable (0AH)

Selection Interrupt

This field is used to define the interrupt level for the adapter to use when

information in the Target Selection Data Structure is ready for the Host to read.

It also contains the interrupt acknowledge ID that the adapter will place on the

data bus in response to the Host. The format is:

Status/ID Interrupt Status/ID - This byte denotes the value the adapter will

provide to identify the interrupt being acknowledged by the Host.

INT Interrupt Level - You may elect to use any one of the following levels

for adapter interrupt:

000 — Interrupt disabled

001 — Interrupt level 1

010 — Interrupt level 2

011 — Interrupt level 3

100 — Interrupt level 4

101 — Interrupt level 5

110 — Interrupt level 6

111 — Interrupt level 7

Command Code

This field indicates the command to be executed. For the Target Mode Enable

command, it is always equal to 0AH.

BITS

1514131211109876543210

000 0 0 INT Status/ID

Table 84: Meaning of Selection Interrupt Field

1 2 ... 147 148 149 150 151 152 153 154 155 156 157 ... 229 230

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Ciprico Rimfire 3880 User Manual Page 152