PREFACE
Thank you for selecting FUJITSU Semiconductor Devices.
The FUJITSU MB90580 series has been developed as one general-application version of the
2
®
F
MC
*16LX series of original 16-bit one-chip microcontrollers for ASIC (application specific
IC) applications. This manual describes the functions and operations of the MB90580 series,
and is intended for use by engineers actually designing products using these semiconductors.
Please be sure to read it carefully.
2
*:
F
MC is an abbreviation for FUJITSU Flexible Microcontroller, and is a registered
trademark of Fujitsu.
This document is organized as follows.
Chapter 1
OVERVIEW
This section presents an overview of MB90580 series features and functions.
Chapter 2
CPU
This section describes the functions of the F
Chapter 3
MEMORY
This section describes the functions of the F
Chapter 4
CLOCK AND RESET
This section describes the functions of the MB90580 series clocks and resets.
Chapter 5
WATCHDOG TIMER, TIME BASE TIMER, AND WATCH TIMER FUNCTION
This section describes the functions and operation of the MB90580 series watchdog timer,
timebase timer and watch timer function.
Chapter 6
LOW POWER CONTROL CIRCUIT
This section describes the MB90580 series low power control circuits (CPU intermittent
operation function, oscillator stabilization wait time, PLL clock multiplier function).
Chapter 7
INTERRUPT
This section describes the functions of each MB90580 each interrupt and interrupt source.
Chapter 8
PARALLEL PORTS
This section describes the functions of the MB90580 series parallel port.
Chapter 9
DTP/EXTERNAL INTERRUPT
This section describes the function and operation of the MB90580 series DTP and external
interrupts.
Chapter 10 DELAY INTERRUPT MODULE
This section describes the functions and operation of the MB90580 series delay interrupt
module.
Chapter 11
2
MC-16LX series CPU.
2
MC-16LX series memory.
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