
M80C186EB-16, -13, -8
16-Bit High-Integration Embedded Processor
CONTENTS
PAGE
INTRODUCTION
ààààààààààààààààààààààààààà 4
OVERVIEW
àààààààààààààààààààààààààààààààà 4
M80C186EB Core Architecture
ààààààààààààà 4
Register Set
ààààààààààààààààààààààààààààà 4
Instruction Set
àààààààààààààààààààààààààà 5
Memory Organization
ààààààààààààààààààà 5
Addressing Modes
àààààààààààààààààààààà 5
Data Types
ààààààààààààààààààààààààààààà 7
Interrupts
ààààààààààààààààààààààààààààààà 7
Bus Interface Unit
ààààààààààààààààààààààà 9
Clock Generator
àààààààààààààààààààààààà 9
M80C186EB Peripheral Architecture
ààààààà 10
Interrupt Control Unit
ààààààààààààààààààà 10
Timer/Counter Unit
àààààààààààààààààààà 10
Serial Communications Unit
àààààààààààà 12
Chip-Select Unit
àààààààààààààààààààààààà 12
I/O Port Unit
ààààààààààààààààààààààààààà 13
Refresh Control Unit
ààààààààààààààààààà 13
Power Management Unit
ààààààààààààààà 13
M80C187 Interface
àààààààààààààààààààààààà 13
ONCE Test Mode
ààààààààààààààààààààààààà 13
PACKAGE INFORMATION
ààààààààààààààà 14
Pin Descriptions
ààààààààààààààààààààààààààà 14
M80C186EB PINOUT
ààààààààààààààààààààà 19
ELECTRICAL SPECIFICATIONS
ààààààààà 21
Absolute Maximum Ratings
ààààààààààààààà 21
OPERATING CONDITIONS
ààààààààààààààà 21
RECOMMENDED CONNECTIONS
àààààààà 21
DC SPECIFICATIONS
àààààààààààààààààààà 22
I
CC
versus Frequency and Voltage
ààààààààà 23
PDTMR Pin Delay Calculation
ààààààààààààà 23
CONTENTS
PAGE
AC SPECIFICATIONS
àààààààààààààààààààà 24
AC CharacteristicsDM80C186EB-16
àààààà 24
AC CharacteristicsDM80C186EB-13
àààààà 25
AC CharacteristicsDM80C186EB-8
ààààààà 26
Relative Timings
(M80C186EB-16, -13, -8)
àààààààààààààààà 27
Serial Port Mode 0 Timings
(M80C186EB-16, -13, -8)
àààààààààààààààà 28
AC TEST CONDITIONS
àààààààààààààààààà 29
AC TIMING WAVEFORMS
ààààààààààààààà 29
DERATING CURVES
ààààààààààààààààààààà 32
RESET
ààààààààààààààààààààààààààààààààààà 33
COLD RESET WAVEFORMS
ààààààààààààà 34
WARM RESET WAVEFORMS
àààààààààààà 35
BUS CYCLE WAVEFORMS
àààààààààààààà 36
REGISTER BIT SUMMARY
ààààààààààààààà 44
M80C186EB EXECUTION TIMINGS
àààààà 48
INSTRUCTION SET SUMMARY
àààààààààà 49
FOOTNOTES
ààààààààààààààààààààààààààààà 54
88-LEAD CERAMIC PIN GRID ARRAY
PACKAGE
ààààààààààààààààààààààààààààà 55
ERRATA
ààààààààààààààààààààààààààààààààà 56
REVISION HISTORY
ààààààààààààààààààààà 56
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