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S80296SA View Datasheet(PDF) - Intel

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S80296SA Datasheet PDF : 40 Pages
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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. ICC 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, BUSCONx = 1 Wait State........... 23
8. System Bus Timings, Demultiplexed Bus Mode................................................................. 26
9. Example READY Timings at 50 MHz, Demultiplexed Bus, BUSCONx = 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
PRELIMINARY
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