Renesas 4514 User Manuals

Table of Contents

• Table of contents

  6
• CHAPTER 1 HARDWARE

  14
  • DESCRIPTION

    16
  • FEATURES

    16
  • APPLICATION

    16
  • PIN CONFIGURATION

    17
  • BLOCK DIAGRAM

    19
  • PERFORMANCE OVERVIEW

    21
  • PIN DESCRIPTION

    22
    • MULTIFUNCTION

      23
    • CONNECTIONS OF UNUSED PINS

      23
    • PORT FUNCTION

      24
    • DEFINITION OF CLOCK AND CYCLE

      24
    • PORT BLOCK DIAGRAMS

      25
  • FUNCTION BLOCK OPERATIONS

    30
    • CPU

      30
    • PROGRAM MEMOY (ROM)

      33
    • DATA MEMORY (RAM)

      34
    • INTERRUPT FUNCTION

      35
    • EXTERNAL INTERRUPTS

      39
    • TIMERS

      42
    • WATCHDOG TIMER

      48
    • SERIAL I/O

      49
    • A-D CONVERTER

      54
    • VOLTAGE COMPARATOR

      60
    • RESET FUNCTION

      62
    • VOLTAGE DROP DETECTION CIRCUIT

      65
    • RAM BACK-UP MODE

      66
    • CLOCK CONTROL

      70
  • ROM ORDERING METHOD

    71
  • LIST OF PRECAUTIONS

    72
  • SYMBOL

    75
  • LIST OF INSTRUCTION FUNCTION

    76
  • INSTRUCTION CODE TABLE

    79
  • MACHINE INSTRUCTIONS

    83
  • CONTROL REGISTERS

    97
  • BUILT-IN PROM VERSION

    101
• CHAPTER 2 APPLICATION

  104
  • 2.1 I/O pins

    105
    • 2.1.1 I/O ports

      105
    • 2.1.2 Related registers

      107
    • 2.1.3 Port application examples

      110
    • 2.1.4 Notes on use

      112
  • 2.2 Interrupts

    114
    • 2.2.1 Interrupt functions

      114
    • 2.2.2 Related registers

      116
    • 2.2.3 Interrupt application examples

      119
    • 2.2.4 Notes on use

      128
  • 2.3 Timers

    129
    • 2.3.1 Timer functions

      129
    • 2.3.2 Related registers

      130
    • 2.3.3 Timer application examples

      133
    • 2.3.4 Notes on use

      142
  • 2.4 Serial I/O

    143
    • 2.4.1 Carrier functions

      143
    • 2.4.2 Related registers

      144
    • 2.4.3 Operation description

      145
    • 2.4.4 Serial I/O application example

      148
    • 2.4.5 Notes on use

      151
  • 2.5 A-D converter

    152
    • 2.5.1 Related registers

      153
    • 2.5.2 A-D converter application examples

      154
    • 2.5.3 Notes on use

      155
  • 2.6 Voltage comparator

    157
    • 2.6.1 Voltage comparator function

      157
    • 2.6.2 Related registers

      157
    • 2.6.3 Notes on use

      158
  • 2.7 Reset

    159
    • 2.7.1 Reset circuit

      159
    • 2.7.2 Internal state at reset

      160
  • 2.8 Voltage drop detection circuit

    161
  • 2.9 RAM back-up

    162
    • 2.9.1 RAM back-up mode

      162
    • 2.9.2 Related register

      163
    • 2.9.3 Notes on use

      165
  • 2.10 Oscillation circuit

    166
    • 2.10.1 Oscillation circuit

      166
    • 2.10.2 Oscillation operation

      167
    • 2.10.3 Notes on use

      167
• CHAPTER 3 APPENDIX

  168
  • 3.1 Electrical characteristics

    169
    • 3.1.1 Absolute maximum ratings

      169
    • 3.1.2 Recommended operating conditions

      170
    • 3.1.3 Electrical characteristics

      172
    • 3.1.4 A-D converter recommended operating conditions

      173
    • 3.1.5 Voltage drop detection circuit characteristics

      173
    • 3.1.6 Voltage comparator characteristics

      174
    • 3.1.7 Basic timing diagram

      174
  • 3.2 Typical characteristics

    175
    • 3.2.1 VDD-IDD characteristics

      175
    • 3.2.2 VOL-IOL characteristics

      178
    • 3.2.3 VOH-IOH characteristics (Port P5)

      180
    • 3.2.4 VDD-RPU characteristics (Ports P0, P1)

      180
    • 3.2.5 A-D converter typical characteristics

      181
    • 3.2.6 Analog input current characteristics pins AIN0-AIN7

      184
    • 3.2.7 VDD-VIH/VIL characteristics

      186
    • 3.2.8 Detection voltage temperature characteristics of voltage drop detection circuit

      187
  • 3.3 List of precautions

    188
  • 3.4 Notes on noise

    191
    • 3.4.1 Shortest wiring length

      191
    • 3.4.2 Connection of bypass capacitor across VSS line and VDD line

      193
    • 3.4.3 Wiring to analog input pins

      194
    • 3.4.4 Oscillator concerns

      194
    • 3.4.5 Setup for I/O ports

      195
    • 3.4.6 Providing of watchdog timer function by software

      195
  • 3.5 Mask ROM order confirmation form

    197
  • 3.6 Mark specification form

    203
  • 3.7 Package outline

    206