Table of Contents
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Organization of This Manual
This manual consists of 16 chapters and an appendix.
Chapter 1 Overview
Chapter 1 provides basic general information on the MB91F109, including its characteristics,
a block diagram, and function overview.
Chapter 2 CPU
Chapter 2 provides basic information on the FR series CPU core functions including the
architecture, specifications, and instructions.
Chapter 3 Clock Generator and Controller
Chapter 3 provides detailed information on the generation and control of the clock that
controls the MB91F109.
Chapter 4 Bus Interface
Chapter 4 explains the basic items of the external bus interface, register configuration and
functions, bus operations, bus timing, and provides bus operation program samples.
Chapter 5 I/O Ports
Chapter 5 provides an overview of I/O ports, explains the I/O port register configuration and
the conditions for using external terminals as I/O ports.
Chapter 6 External Interrupt/NMI Controller
Chapter 6 provides an overview of the external interrupt/NMI controller, explains the register
configuration and functions, and operations of the external interrupt/NMI controller.
Chapter 7 Delayed Interrupt Module
Chapter 7 provides an overview of the delayed interrupt module, explains the register
configuration and functions, and operations of the delayed interrupt module.
Chapter 8 Interrupt Controller
Chapter 8 provides an overview of the interrupt controller, explains the register configuration
and functions, and operations of the interrupt controller. The chapter also explains the hold
request cancel request function using examples.
Chapter 9 U-TIMER
Chapter 9 provides an overview of the U-TIMER, explains the register configuration and
functions, and operations of the U-TIMER.
Chapter 10 UART
Chapter 10 provides an overview of the UART, explains the register configuration and
functions, and operations of the UART.
Chapter 11 A/D Converter (Successive Approximation Type)
Chapter 11 provides an overview of the A/D converter, explains the register configuration
and functions, and operations of the A/D converter.
Chapter 12 16-bit Reload Timer
Chapter 12 provides an overview of the 16-bit reload timer, explains the register
configuration and functions, and operations of the 16-bit reload timer.
Chapter 13 Bit Search Module
Chapter 13 provides an overview of the bit search module, explains the register configuration
and functions, and operations and save/restore processing of the bit search module.
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Table of Contents
