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80296SA Datasheet(PDF) 3 Page - Intel Corporation

Part No. 80296SA
Description  80296SA COMMERCIAL CHMOS 16-BIT MICROCONTROLLER
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Maker  INTEL [Intel Corporation]
Homepage  http://www.intel.com
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 3 page
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PRELIMINARY
iii
CONTENTS
80296SA Commercial
CHMOS 16-bit Microcontroller
1.0
Product Overview ................................................................................................................ 1
2.0
Nomenclature Overview ...................................................................................................... 2
3.0
Pinout .................................................................................................................................. 3
4.0
Signals ................................................................................................................................ 6
5.0
Address Map ..................................................................................................................... 13
6.0
Electrical Characteristics ................................................................................................... 14
6.1
DC Characteristics........................................................................................................ 14
6.2
AC Characteristics........................................................................................................ 18
6.2.1
Relationship of XTAL1 to CLKOUT ....................................................................... 18
6.2.2
Explanation of AC Symbols ................................................................................... 19
6.2.3
AC Characteristics — Multiplexed Bus Mode ........................................................ 20
6.2.3.1
System Bus Timings, Multiplexed Bus ...................................................... 22
6.2.3.2
READY Timing, Multiplexed Bus ............................................................... 23
6.2.4
AC Characteristics — Demultiplexed Bus Mode ................................................... 24
6.2.4.1
System Bus Timings, Demultiplexed Bus .................................................. 26
6.2.4.2
READY Timing, Demultiplexed Bus .......................................................... 27
6.2.4.3
80296SA Deferred Bus Timing Mode ........................................................ 28
6.2.5
HOLD#, HLDA# Timings ....................................................................................... 29
6.2.6
AC Characteristics — Serial Port, Synchronous Mode 0 ...................................... 30
6.2.7
External Clock Drive .............................................................................................. 31
7.0
Thermal Characteristics .................................................................................................... 33
8.0
80296SA Errata................................................................................................................. 33
9.0
Datasheet Revision History ............................................................................................... 33
FIGURES
1.
80296SA Block Diagram ......................................................................................................1
2.
The 80296SA Family Nomenclature ....................................................................................2
3.
80296SA 100-pin QFP Package ..........................................................................................3
4.
I
CC versus Frequency in Reset ........................................................................................... 17
5.
Effect of Clock Mode on CLKOUT...................................................................................... 18
6.
System Bus Timings, Multiplexed Bus Mode ..................................................................... 22
7.
Example READY Timings at 50 MHz, Multiplexed Bus, BUSCON
x = 1 Wait State........... 23
8.
System Bus Timings, Demultiplexed Bus Mode................................................................. 26
9.
Example READY Timings at 50 MHz, Demultiplexed Bus, BUSCON
x = 1 Wait State ...... 27
10.
Deferred Bus Mode Timing Diagram.................................................................................. 28
11.
HOLD#, HLDA# Timing Diagram ....................................................................................... 29
12.
Serial Port Waveform — Synchronous Mode 0.................................................................. 30
13.
External Clock Drive Waveforms........................................................................................ 31
14.
AC Testing Input and Output Waveforms During 5.0 Volt Testing ..................................... 32
15.
Float Waveforms During 5.0 Volt Testing........................................................................... 32




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