Datasheet

ManualsBrandsRENESAS ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller LQFP 100 (14x14) 16-Bit 4 MHz I/O number 75

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Table Of Contents

Cover
Notes regarding these materials
General Precautions on Handling of Product
Configuration of This Manual
Preface
Contents
Figures
Tables
Section 1 Overview
- 1.1 Features
- 1.2 Internal Block Diagram
- 1.3 Pin Assignment
- 1.4 Pin Functions
Section 2 CPU
- 2.1 Address Space and Memory Map
- 2.2 Register Configuration
- 2.3 Data Formats
  - 2.3.1 General Register Data Formats
  - 2.3.2 Memory Data Formats
- 2.4 Instruction Set
  - 2.4.1 Table of Instructions Classified by Function
  - 2.4.2 Basic Instruction Formats
- 2.5 Addressing Modes and Effective Address Calculation
  - 2.5.1 Addressing Modes
  - 2.5.2 Effective Address Calculation
- 2.6 Basic Bus Cycle
  - 2.6.1 Access to On-Chip Memory (RAM, ROM)
  - 2.6.2 On-Chip Peripheral Modules
- 2.7 CPU States
- 2.8 Usage Notes
Section 3 Exception Handling
- 3.1 Exception Sources and Vector Address
- 3.2 Reset
  - 3.2.1 Reset Exception Handling
  - 3.2.2 Interrupt Immediately after Reset
- 3.3 Interrupts
- 3.4 Stack Status after Exception Handling
- 3.5 Usage Notes
Section 4 Interrupt Controller
- 4.1 Features
- 4.2 Input/Output Pins
- 4.3 Register Descriptions
- 4.4 Interrupt Sources
  - 4.4.1 External Interrupts
  - 4.4.2 Internal Interrupts
- 4.5 Interrupt Exception Handling Vector Table
- 4.6 Operation
  - 4.6.1 Interrupt Exception Handling Sequence
  - 4.6.2 Interrupt Response Times
- 4.7 Usage Notes
Section 5 Clock Pulse Generator
- 5.1 Register Description
  - 5.1.1 SUB32k Control Register (SUB32CR)
  - 5.1.2 Oscillator Control Register (OSCCR)
- 5.2 System Clock Generator
- 5.3 Subclock Generator
- 5.4 Prescalers
  - 5.4.1 Prescaler S
  - 5.4.2 Prescaler W
- 5.5 Usage Notes
Section 6 Power-Down Modes
- 6.1 Register Descriptions
- 6.2 Mode Transitions and States of LSI
- 6.3 Direct Transition
- 6.4 Module Standby Function
- 6.5 Usage Notes
  - 6.5.1 Standby Mode Transition and Pin States
  - 6.5.2 Notes on External Input Signal Changes before/after Standby Mode
Section 7 ROM
- 7.1 Block Configuration
- 7.2 Register Descriptions
- 7.3 On-Board Programming Modes
  - 7.3.1 Boot Mode
  - 7.3.2 Programming/Erasing in User Program Mode
- 7.4 Using RAM to Emulate Flash Memory
- 7.5 Flash Memory Programming/Erasing
- 7.6 Program/Erase Protection
- 7.7 Programmer Mode
- 7.8 Power-Down States for Flash Memory
- 7.9 Notes on Setting Module Standby Mode
Section 8 RAM
Section 9 I/O Ports
- 9.1 Port 1
- 9.2 Port 3
- 9.3 Port 4
- 9.4 Port 5
- 9.5 Port 6
- 9.6 Port 7
- 9.7 Port 8
- 9.8 Port 9
- 9.9 Port A
- 9.10 Port B
- 9.11 Port C
- 9.12 Port E
- 9.13 Port F
- 9.14 Input/Output Data Inversion
  - 9.14.1 Serial Port Control Register, Serial Port Control Register 2 (SPCR, SPCR2)
- 9.15 Port Function Switch
  - 9.15.1 Port Function Control Register (PFCR)
- 9.16 Usage Notes
  - 9.16.1 How to Handle Unused Pin
  - 9.16.2 Input Characteristics Difference due to Pin Function
Section 10 Realtime Clock (RTC)
- 10.1 Features
- 10.2 Input/Output Pin
- 10.3 Register Descriptions
- 10.4 Operation
- 10.5 Interrupt Sources
- 10.6 Usage Notes
  - 10.6.1 Note on Clock Count
  - 10.6.2 Note when Using RTC Interrupts
Section 11 Timer C
- 11.1 Features
- 11.2 Input/Output Pins
- 11.3 Register Descriptions
- 11.4 Timer Operation
- 11.5 Timer C Operation States
Section 12 Timer F
- 12.1 Features
- 12.2 Input/Output Pins
- 12.3 Register Descriptions
- 12.4 Operation
- 12.5 Timer F Operating States
- 12.6 Usage Notes
Section 13 Timer G
- 13.1 Features
- 13.2 Input/Output Pins
- 13.3 Register Descriptions
- 13.4 Noise Canceller
- 13.5 Operation
- 13.6 Timer G Operation Modes
- 13.7 Usage Notes
  - 13.7.1 Internal Clock Switching and TCG Operation
  - 13.7.2 Notes on Port Mode Register Modification
- 13.8 Timer G Application Example
Section 14 16-Bit Timer Pulse Unit (TPU)
- 14.1 Features
- 14.2 Input/Output Pins
- 14.3 Register Descriptions
- 14.4 Interface to CPU
  - 14.4.1 16-Bit Registers
  - 14.4.2 8-Bit Registers
- 14.5 Operation
- 14.6 Interrupt Sources
- 14.7 Operation Timing
  - 14.7.1 Input/Output Timing
  - 14.7.2 Interrupt Signal Timing
- 14.8 Usage Notes
Section 15 Asynchronous Event Counter (AEC)
- 15.1 Features
- 15.2 Input/Output Pins
- 15.3 Register Descriptions
- 15.4 Operation
- 15.5 Operating States of Asynchronous Event Counter
- 15.6 Usage Notes
Section 16 Watchdog Timer
- 16.1 Features
- 16.2 Register Descriptions
- 16.3 Operation
- 16.4 Interrupt
- 16.5 Usage Notes
Section 17 Serial Communications Interface 3 (SCI3, IrDA)
- 17.1 Features
- 17.2 Input/Output Pins
- 17.3 Register Descriptions
- 17.4 Operation in Asynchronous Mode
- 17.5 Operation in Clock Synchronous Mode
- 17.6 Multiprocessor Communication Function
  - 17.6.1 Multiprocessor Serial Data Transmission
  - 17.6.2 Multiprocessor Serial Data Reception
- 17.7 IrDA Operation
- 17.8 Interrupt Requests
- 17.9 Usage Notes
Section 18 Serial Communication Interface 4 (SCI4)
- 18.1 Features
- 18.2 Input/Output Pins
- 18.3 Register Descriptions
- 18.4 Operation
- 18.5 Interrupt Sources
- 18.6 Usage Notes
Section 19 14-Bit PWM
- 19.1 Features
- 19.2 Input/Output Pins
- 19.3 Register Descriptions
  - 19.3.1 PWM Control Register (PWCR)
  - 19.3.2 PWM Data Register (PWDR)
- 19.4 Operation
- 19.5 Usage Notes
  - 19.5.1 Timing of Writing to PWDR and Reflection in the PWM Waveform
Section 20 A/D Converter
- 20.1 Features
- 20.2 Input/Output Pins
- 20.3 Register Descriptions
- 20.4 Operation
- 20.5 Example of Use
- 20.6 A/D Conversion Accuracy Definitions
- 20.7 Usage Notes
Section 21 LCD Controller/Driver
- 21.1 Features
- 21.2 Input/Output Pins
- 21.3 Register Descriptions
- 21.4 Operation
- 21.5 Usage Notes
  - 21.5.1 Pin Handling when LCD Controller/Driver is not Used
  - 21.5.2 Pin Handling when 3-V Constant-Voltage Power Supply Circuit is not Used
Section 22 I2C Bus Interface 2 (IIC2)
- 22.1 Features
- 22.2 Input/Output Pins
- 22.3 Register Descriptions
- 22.4 Operation
- 22.5 Interrupt Request
- 22.6 Bit Synchronous Circuit
- 22.7 Usage Notes
Section 23 Power-On Reset Circuit
- 23.1 Feature
- 23.2 Operation
  - 23.2.1 Power-On Reset Circuit
Section 24 Address Break
- 24.1 Register Descriptions
- 24.2 Operation
- 24.3 Operating States of Address Break
Section 25 List of Registers
- 25.1 Register Addresses (Address Order)
- 25.2 Register Bits
- 25.3 Register States in Each Operating Mode
Section 26 Electrical Characteristics
- 26.1 Absolute Maximum Ratings for F-ZTAT Version
- 26.2 Electrical Characteristics for F-ZTAT Version
- 26.3 Absolute Maximum Ratings for Masked ROM Version
- 26.4 Electrical Characteristics for Masked ROM Version
- 26.5 Operation Timing
- 26.6 Output Load Circuit
- 26.7 Recommended Resonators
- 26.8 Usage Note
Appendix
- A. Instruction Set
- B. I/O Ports
  - B.1 I/O Port Block Diagrams
  - B.2 Port States in Each Operating State
- C. Product Part No. Lineup
- D. Package Dimensions
Main Revisions and Additions in this Edition
Index
Colophon
Address List
Back Cover

Section 15 Asynchronous Event Counter (AEC)

Rev. 2.00 Jul. 04, 2007 Page 334 of 692

REJ09B0309-0200

6. As synchronization is established internally when an IRQAEC interrupt is generated, a

maximum error of 1 t

cyc

will occur between clock halting and interrupt acceptance.