User`s manual

C (continued)
Control Signals, 44
Cooling Requirements, 22
CRESET*, 44, 59
access point, 59
Crimp-and-Insert
accessories, 27
connectors, 28
contacts, 27 - 28
option A3E, 11
tools, 28
Custom Circuitry, 47 - 49
controller notification, 48
relay selection, 47
D
Data
buffering, 35
bus
drivers, 8, 35
enable (DBEN), 35, 41
lines, 8, 35
reading from registers, 51
strobe lines, 41, 44
transfer acknowledge
circuitry, 41
signal, 10
writing to control register, 54 - 55
DBEN, 35, 41
Description, 8
Detecting Errors, 59
Device Classifications, 38
Device Type Register
bit definitions, 39
disabling, 42
reading, 10, 38, 53, 61
Dimensions, module, 17
Documentation History, 4
DS0*, 41, 44
true, 52, 55
DS1*, 41, 44
true, 52, 55, 57
DTACK, 41
circuitry, 41 - 42
INHibit (DTKINH), 42
DTACK*, 10
true, 41 - 42
E
ECL Trigger, 45
Errors, detecting, 59
Example Programs, 61
F
Field Wiring, 29 - 30
Front Panel Connector Schematic, 71
G
Generating Interrupt Requests, 57
Grid Hole Specifications, 63
H
Handling Precautions, 13
Hardware
description, 14
features, 11
reset, 59
HRESET*, 44, 59
I
IACK*
false, 52, 55
true, 32, 43
IACKIN*, 10
signal, 57
through IACKOUT, 44, 57
true, 43
IACKOUT*, 10, 44
passing IACKIN* through, 57
ID Register
addressing modes, 38
bit definitions, 37
device classifications, 38
disabling, 42
reading, 10, 37, 53, 61
Installing Breadboard in Mainframe, 25
Interface
circuitry, 32
ECL trigger, 45
features, 8
schematic, 70
74 Agilent E1490C User’s Manual Index