PRELIMINARY
8XC196NU COMMERCIAL
CHMOS 16-BIT MICROCONTROLLER
s
50 MHz Operation
†
s
1 Mbyte of Linear Address Space
s
Optional 48 Kbytes of ROM
s
1 Kbyte of Register RAM
s
Register-register Architecture
s
Footprint and Functionally Compatible
Upgrade for the 8XC196NP
s
32 I/O Port Pins
s
16 Prioritized Interrupt Sources
s
4 External Interrupt Pins and NMI Pin
s
2 Flexible 16-bit Timer/Counters with
Quadrature Counting Capability
s
3 Pulse-width Modulator (PWM)
Outputs with High Drive Capability
s
Full-duplex Serial Port with Dedicated
Baud-rate Generator
s
Peripheral Transaction Server
†
s
Chip-select Unit
— 6 Chip-select Pins
— Dynamic Demultiplexed/Multiplexed
Address/Data Bus for Each
Chip Select
— Programmable Wait States
(0–3) for Each Chip Select
— Programmable Bus Width
(8- or 16-bit) for Each Chip Select
— Programmable Address Range for
Each Chip Select
s
Event Processor Array (EPA) with
4 High-speed Capture/Compare
Channels
s
Multiply and Accumulate Executes in
640 ns Using the 32-bit Hardware
Accumulator
s
960 ns 32/16 Unsigned Division
s
100-pin SQFP or 100-pin QFP Package
s
Complete System Development
Support
s
High-speed CHMOS Technology
40 MHz standard; 50 MHz is Speed Premium
The 8XC196NU is a member of Intel’s 16-bit MCS
®
96 microcontroller family. The device features 1 Mbyte of
linear address space, a demultiplexed bus, and a chip-select unit. The external bus can dynamically switch
between multiplexed and demultiplexed operation.
COPYRIGHT © INTEL CORPORATION, 1997
February 1997
Order Number:
272644-004
Information in this document is provided in connection with Intel products. No license, express or implied, by es-
toppel 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 disclaims any
express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to
fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual prop-
erty 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 literature,
may be obtained from:
Intel Corporation
P.O. Box 7641
Mt. Prospect, IL 60056-7641
or call 1-800-548-4725
CONTENTS
8XC196NU Commercial
CHMOS 16-bit Microcontroller
1.0 Product Overview ................................................................................................................ 1
2.0 Nomenclature Overview ...................................................................................................... 2
3.0 Pinout .................................................................................................................................. 3
4.0 Signals .............................................................................................................................. 12
5.0 Address Map ..................................................................................................................... 19
6.0 Electrical Characteristics ................................................................................................... 20
6.1 DC Characteristics........................................................................................................ 21
6.2 AC Characteristics........................................................................................................ 23
6.2.1 Relationship of XTAL1 to CLKOUT .......................................................................23
6.2.2 Explanation of AC Symbols ...................................................................................24
6.2.3 AC Characteristics — Multiplexed Bus Mode ........................................................25
6.2.4 AC Characteristics — Demultiplexed Bus Mode ...................................................29
6.2.5 HOLD#, HLDA# Timings .......................................................................................34
6.2.6 AC Characteristics — Serial Port, Synchronous Mode 0 ......................................35
6.2.7 External Clock Drive ..............................................................................................36
7.0 Thermal Characteristics .................................................................................................... 38
8.0 8XC196NU Errata ............................................................................................................ 38
9.0 Datasheet Revision History............................................................................................... 38
Figures
1.
8XC196NU Block Diagram...................................................................................................1
2.
The 8XC196NU Family Nomenclature .................................................................................2
3.
80C196NU 100-pin SQFP Package.....................................................................................3
4.
80C196NU 100-pin QFP Package .......................................................................................6
5.
83C196NU 100-pin QFP Package .......................................................................................9
6.
Effect of Clock Mode on CLKOUT......................................................................................23
7.
System Bus Timings, Multiplexed Bus Mode .....................................................................27
8.
READY Timing, Multiplexed Bus Mode..............................................................................28
9.
System Bus Timings, Demultiplexed Bus Mode.................................................................31
10. READY Timing, Demultiplexed Bus Mode .........................................................................32
11. Deferred Bus Mode Timing Diagram..................................................................................33
12. HOLD#, HLDA# Timing Diagram .......................................................................................34
13. Serial Port Waveform — Synchronous Mode 0..................................................................35
14. External Clock Drive Waveforms........................................................................................36
15. AC Testing Output Waveforms During 5.0 Volt Testing .....................................................36
16. Float Waveforms During 5.0 Volt Testing...........................................................................37
iii
8XC196NU COMMERCIAL CHMOS 16-BIT MICROCONTROLLER
Tables
1.
Description of Product Nomenclature...................................................................................2
2.
80C196NU 100-pin SQFP Pin Assignment..........................................................................4
3.
80C196NU 100-pin SQFP Pin Assignment Arranged by Functional Categories .................5
4.
80C196NU 100-pin QFP Pin Assignment ............................................................................7
5.
80C196NU 100-pin QFP Pin Assignment Arranged by Functional Categories....................8
6.
83C196NU 100-pin QFP Pin Assignment ..........................................................................10
7.
83C196NU 100-pin QFP Pin Assignment Arranged by Functional Categories..................11
8.
Signal Descriptions ............................................................................................................12
9.
8XC196NU Address Map ...................................................................................................19
10. DC Characteristics Over Specified Operating Conditions ..................................................21
11. AC Timing Symbol Definitions............................................................................................24
12. AC Characteristics the 8XC196NU Will Meet, Multiplexed Bus Mode ...............................25
13. AC Characteristics the External Memory System Must Meet, Multiplexed Bus Mode .......26
14. AC Characteristics the 8XC196NU Will Meet, Demultiplexed Bus Mode...........................29
15. AC Characteristics the External Memory System Must Meet, Demultiplexed Bus Mode...30
16. HOLD#, HLDA# Timings ....................................................................................................34
17. Serial Port Timing — Synchronous Mode 0 .......................................................................35
18. External Clock Drive...........................................................................................................36
19. Thermal Characteristics .....................................................................................................38
iv
8XC196NU COMMERCIAL CHMOS 16-BIT MICROCONTROLLER
1.0
PRODUCT OVERVIEW
The 8XC196NU is a member of Intel’s 16-bit MCS
®
96 microcontroller family. The device features 1 Mbyte of
linear address space, a demultiplexed bus, and a chip-select unit. The external bus can dynamically switch
between multiplexed and demultiplexed operation.
16
CPU
1000
Byte
Register
File
48 Kbytes
ROM
(optional)
RALU
Interrupt
Controller
24 Bytes
CPU SFRs
Microcode
Engine
Peripheral
Transaction
Server
8
16
Memory Controller
with
Chip Select
Queue
Chip Select
CS5:0#
Control
Signals
A19:16/
EPORT3:0
A15:0
Pulse
Width
Modulator
Timer 1
Timer 2
Event
Processor
Array
Serial
Port
Baud
Rate
Gen
AD15:0
Port 1
Port 2
Port
3
Port
4
Port 1/
EPA3:0,
Timer 1,
Timer 2
Port 2/
Hold Control,
SIO,
EXTINT1:0
Port 3/
Port 4/
EXTINT3:2 PWM2:0
A2822-02
Figure 1. 8XC196NU Block Diagram
PRELIMINARY
1
微控制器 MCU
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