Skip to Main Content
The X86 Microprocessors: Architecture and Programming (8086 to Pentium), 1st Edition
book

The X86 Microprocessors: Architecture and Programming (8086 to Pentium), 1st Edition

by Lyla B. Das
May 2024
Intermediate to advanced content levelIntermediate to advanced
665 pages
23h 2m
English
Pearson India
Content preview from The X86 Microprocessors: Architecture and Programming (8086 to Pentium), 1st Edition
592 APPENDIX
ASYNCHRONOUS SIGNAL RECOGNITION
CLK
TEST
INTR
NMI
signal
TINVCH (see note 1)
Note: Setup requirements for asynchronous signals only to guarantee recognition at next CLK.
CLK
Any CLK Cycle
TCLAV
LOCK
Any CLK Cycle
TCLAV
V
cc
CLK
RESET
TDVCL
TCLDX
≥4 CLK CYCLES
≥50μ sec
BUS LOCK SIGNAL TIMING (MAXIMUM MODE ONLY) RESET TIMING
CLK
TCLGH
TCLCL
8086
Previous grant
TGVCH
TCHGX
PULSE 3
COPROCESSOR
RELEASE
COPROCESSOR
8086
(SEE NOTE 1)
Any CLK Cycle
PULSE 1
COPROCESSOR
RQ
RQ/GT
TCLAZ
PULSE 2
8086 GT
>0– CLK Cycle
TCLCL
TCLGH
TCLGL
AD
15
–AD
0
A
19
/S
6
–A
16
/S
3
S
2
, S
1
, S
0
RD, LOCK
BHE
/
S7
Note: The coprocessor may not drive the buses outside the region shown without risking contention.
REQUEST/
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Microprocessors and Microcontrollers  by Pearson

Microprocessors and Microcontrollers by Pearson

Lyla B Das

Publisher Resources

ISBN: 9781282663169