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ADVANCE INFORMATION
80C196EA/83C196EA
CHMOS 16-BIT MICROCONTROLLER
Automotive
s 40 MHz operation
s Optional clock doubler
s 2 Mbytes of linear address space
s 1 Kbyte of register RAM
s 3 Kbytes of code RAM
s 8 Kbytes of ROM
s Register-to-register architecture
s Stack overflow/underflow monitor with
user-defined upper and lower stack
pointer boundary limits
s 2 peripheral interrupt handlers (PIH)
provide direct hardware handling of up
to 16 peripheral interrupts
s Peripheral transaction server (PTS) with
high-speed, microcoded interrupt
service routines
s Up to 83 I/O port pins
s 2 full-duplex serial ports with dedicated
baud-rate generators
s Enhanced synchronous serial unit
s 8 pulse-width modulator (PWM) outputs
with 8-bit resolution
s 16-bit watchdog timer
s Sixteen 10-bit A/D channels with auto-
scan mode and dedicated results
registers
s Serial debug unit provides read and
write access to code RAM with no CPU
overhead
s Chip-select unit (CSU)
s 3 chip-select pins
s Dynamic demultiplexed/multiplexed
address/data bus for each
chip-select
s Programmable wait states
(0, 1, 2, or 3) for each chip-select
s Programmable bus width
(8- or 16-bit) for each chip-select
s Programmable address range for each
chip-select
s Event processor array (EPA)
s 4 flexible 16-bit timer/counters
s 17 high-speed capture/compare
channels
s 8 output-only channels capture value of
any other timer upon compare, providing
easy conversion between angle and time
domains
s Programmable clock output signal
s 160-pin QFP package
s Complete system development support
s High-speed CHMOS technology
The 8xC196EA is the first member of a new family of microcontrollers with features that are useful in
automotive applications, such as powertrain control. Two Mbytes of linear address space provide more space
for high-level language compilation. A demultiplexed address/data bus and three chip-select signals make it
easier to design low-cost memory solutions. The external bus can dynamically switch between multiplexed
and demultiplexed operation.
NOTE
This datasheet contains information on products being sampled or in the initial production
phase of development. The specifications are subject to change without notice. Verify
with your local Intel sales office that you have the latest datasheet before finalizing a
design.
COPYRIGHT © INTEL CORPORATION, 1997
August 1997
Order Number: 272788-003

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Information in this document is provided in connection with Intel products. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in
Intel’s Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel dis-
claims any express or implied warranty, relating to sale and/or use of Intel products including liability or war-
ranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or
other intellectual property right. Intel products are not intended for use in medical, life saving, or life sustaining
applications.
Intel retains the right to make changes to specifications and product descriptions at any time, without notice.
*Third-party brands and names are the property of their respective owners.
Copies of documents which have an ordering number and are referenced in this document, or other Intel liter-
ature, may be obtained from:
Intel Corporation
P.O. Box 7641
Mt. Prospect, IL 60056-7641
or call 1-800-548-4725

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CONTENTS
80C196EA/83C196EA
CHMOS 16-bit Microcontroller
1.0 Product Overview ................................................................................................................ 1
2.0 Nomenclature Overview ...................................................................................................... 2
3.0 Pinout .................................................................................................................................. 3
4.0 Signals ................................................................................................................................ 7
5.0 Address Map ..................................................................................................................... 15
6.0 Electrical Characteristics ................................................................................................... 17
6.1 DC Characteristics........................................................................................................ 17
6.2 AC Characteristics — Multiplexed Bus Mode............................................................... 19
6.3 AC Characteristics — Demultiplexed Bus Mode .......................................................... 23
6.4 Deferred Bus Timing Mode........................................................................................... 27
6.5 AC Characteristics — Serial Port, Shift Register Mode................................................ 28
6.6 AC Characteristics — Synchronous Serial Port ........................................................... 29
6.7 A/D Sample and Conversion Times ............................................................................. 30
6.7.1 AC Characteristics — A/D Converter, 10-bit Mode ...............................................31
6.7.2 AC Characteristics — A/D Converter, 8-bit Mode .................................................32
6.8 External Clock Drive ..................................................................................................... 34
6.9 Test Output Waveforms ............................................................................................... 35
7.0 Thermal Characteristics .................................................................................................... 36
7.1 8xC196EA Errata ......................................................................................................... 36
8.0 DataSheet Revision History .............................................................................................. 37
ADVANCE INFORMATION
iii

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CONTENTS
FIGURES
Figure
Page
1. 8xC196EA Block Diagram.................................................................................................... 1
2. Product Nomenclature ......................................................................................................... 2
3. 8xC196EA 160-pin QFP Package........................................................................................ 3
4. System Bus Timing Diagram (Multiplexed Bus Mode) .......................................................21
5. READY Timing Diagram (Multiplexed Bus Mode)..............................................................22
6. System Bus Timing Diagram (Demultiplexed Bus Mode) ..................................................25
7. READY Timing Diagram (Demultiplexed Bus Mode) .........................................................26
8. Deferred Bus Mode Timing Diagram..................................................................................27
9. Serial Port Waveform — Shift Register Mode ....................................................................28
10. Synchronous Serial Port ....................................................................................................29
11. External Clock Drive Waveforms........................................................................................34
12. AC Testing Output Waveforms...........................................................................................35
13. Float Waveforms During 5.0 Volt Testing...........................................................................35
iv ADVANCE INFORMATION

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CONTENTS
TABLES
Table
Page
1. Description of Product Nomenclature................................................................................... 2
2. 8xC196EA 160-pin QFP Package Pin Assignments ............................................................4
3. Pin Assignment Arranged by Functional Categories............................................................5
4. Signal Descriptions .............................................................................................................. 7
5. 8xC196EA Address Map ....................................................................................................15
6. DC Characteristics at VCC = 4.5 V – 5.5 V .........................................................................17
7. AC Characteristics, Multiplexed Bus Mode ........................................................................19
8. AC Timing Symbol Definitions............................................................................................20
9. AC Characteristics, Demultiplexed Bus Mode....................................................................23
10. Serial Port Timing — Shift Register Mode..........................................................................28
11. Synchronous Serial Port Timing.........................................................................................29
12. 10-bit A/D Operating Conditions (1) ...................................................................................31
13. 10-bit Mode A/D Characteristics Over Specified Operating Conditions (7)........................31
14. 8-bit A/D Operating Conditions (1) .....................................................................................32
15. 8-bit Mode A/D Characteristics Over Specified Operating Conditions (7)..........................33
16. External Clock Drive...........................................................................................................34
17. Thermal Characteristics .....................................................................................................36
18. Revision History (rev. 002 - 003)........................................................................................37
19. Revision History (rev. 001 - 002)........................................................................................39
20. Revision History (rev. 001) .................................................................................................40
ADVANCE INFORMATION
v