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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