Fujitsu F2MC-8L Series User manual

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FUJITSU SEMICONDUCTOR
CONTROLLER MANUAL
F2MC-8L
8-BIT MICROCONTROLLER
MB89120/120A SERIES
HARDWARE MANUAL
CM25-10111-3E

FUJITSU LIMITED
F2MC-8L
8-BIT MICROCONTROLLER
MB89120/120A SERIES
HARDWARE MANUAL

i
PREFACE
■Objective and Intended Readership
MB89120/120A Series was developed as one of the general purpose versions of the F2MC-8L
Series, which is a proprietary 8-bit single-chip microcontroller that supports application-specific
ICs (ASICs). MB89120/120A Series have a wide range of uses from portable phones to
consumer electric appliances and industrial equipment.
This manual, which is intended for engineers designing products using these MB89120/120A
Series Microcontollers, explains the functions and operations of theMB89120/120A Series. For
details on the instructions, refer to the F2MC(R)-8L MB89600 Series Programming Manual.
Trademarks
F2MC(R) is an acronym for Fujitsu Flexible Microcontroller and is a registered trademark of
Fujitsu Limited.
■Structure of This Manual
This manual consists of the following 14 chapters:
Chapter 1 Overview
This chapter describes the features and basic specifications of the MB89120/120A Series.
Chapter 2 Handling Devices
This chapter describes important points when using the MB89120/120A Series.
Chapter 3 CPU
This chapter describes the functions of CPU of the MB89120/120A Series.
Chapter 4 I/O Ports
This chapter describes the functions and operation of the I/O ports of the MB89120/120A
Series.
Chapter 5 Timebase Timer
This chapter describes the functions and operation of the timebase timer of the MB89120/
120A Series.
Chapter 6 Watchdog Timer
This chapter describes the functions and operation of the watchdog timer of the MB89120/
120A Series.
Chapter 7 8/16-Bit Timer/Counter
This chapter describes the functions and operation of the 8/16-bit timer/counter of the
MB89120/120A Series.
Chapter 8 8-Bit Serial I/O
This chapter describes the functions and operation the 8-bit serial I/O of the MB89120/120A
Series.
Chapter 9 Buzzer Output
This chapter describes the functions and operation of the buzzer output of the MB89120/
120A Series.

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Chapter 10 External Interrupt Circuit 1 (Edge)
This chapter describes the functions and operation of the external interrupt circuit 1 (edge) of
the MB89120/120A Series.
Chapter 11 External Interrupt Circuit 2 (Level)
This chapter describes the functions and operation of the external interrupt circuit 2 (Level)
of the MB89120/120A Series.
Chapter 12 Watch Prescaler
This chapter describes the functions and operation of the watch prescaler of the MB89120/
120A Series.
Chapter 13 Remote-Control Transmission Frequency Generator
This chapter describes the functions and operation of the remote-control transmission
frequency generator of the MB89120/120A Series.
Chapter 14 Peripheral Control Clock Output
This chapter describes the functions and operation of the peripheral control clock output of
the MB89120/120A Series.
In addition, I/O Map, Mask Options, Overview of Instructions, Instruction List, and Instruction
Map are described in the Appendixes.

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©2000 FUJITSU LIMITED Printed in Japan
1. The contents of this document are subject to change without notice. Customers are advised to consult
with FUJITSU sales representatives before ordering.
2. The information and circuit diagrams in this document are presented as examples of semiconductor
device applications, and are not intended to be incorporated in devices for actual use. Also, FUJITSU is
unable to assume responsibility for infringement of any patent rights or other rights of third parties
arising from the use of this information or circuit diagrams.
3. The contents of this document may not be reproduced or copied without the permission of FUJITSU
LIMITED.
4. FUJITSU semiconductor devices are intended for use in standard applications (computers, office
automation and other office equipments, industrial, communications, and measurement equipments,
personal or household devices, etc.).
CAUTION:
Customers considering the use of our products in special applications where failure or abnormal
operation may directly affect human lives or cause physical injury or property damage, or where
extremely high levels of reliability are demanded (such as aerospace systems, atomic energy controls,
sea floor repeaters, vehicle operating controls, medical devices for life support, etc.) are requested to
consult with FUJITSU sales representatives before such use. The company will not be responsible for
damages arising from such use without prior approval.
5. Any semiconductor devices have inherently a certain rate of failure. You must protect against injury,
damage or loss from such failures by incorporating safety design measures into your facility and
equipment such as redundancy, fire protection, and prevention of over-current levels and other
abnormal operating conditions.
6. If any products described in this document represent goods or technologies subject to certain
restrictions on export under the Foreign Exchange and Foreign Trade Control Law of Japan, the prior
authorization by Japanese government should be required for export of those products from Japan.

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READING THIS MANUAL
■Page Layout
Each section is organized on a page or on facing pages so that the contents of each section can
be viewed without turning pages.
The contents of each section are summarized immediately below the title. A rough overview of
this product can be obtained by reading through these summaries.
Also, higher level section headings are provided in lower sections to ensure that the user will
know to which section the text currently being read belongs without referring to the table of
contents or the cover of each chapter.
■How to search information
The following methods, other than using the table of contents or index, are also available for
searching reference information as necessary.
❍Register index
By using the register index, information can be searched with a register name, a bit name, or
abbreviations of these names.
❍Subtitle index
A subtitle index, whose subtitles included in each section are extracted, is provided to ensure
the provision of more detailed reference information than that provided in the contents.
■Example of description of register name and terminal name
❍Example of description of register name and bit name
By writing "1" in the sleep bit (STBC:SLP) of the standby control register....
Bit name
Register name
Register abbreviation
Bit abbreviation
Disable (TBTC:TBIE=0) the interrupt request output of the timebase timer.
Set data
Bit abbreviation
Register abbreviation

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❍Example of a description of a shared terminal
P25/SCK terminal
Some terminals can share several functions by switching in the program setting. The
function names of shared terminal are separated by "/."
Interrupt is accepted when interrupt is enabled (CCR:I=1).
Current status
Bit abbreviation
Register abbreviation