3822 datasheet(7/328 Pages) RENESAS

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Table of contents

3822 GROUP USER’S MANUAL

2.3 Timer X and timer Y .......................................................................................................... 2-32

2.3.1 Explanation of timer X operations .................................................................................. 2-32

2.3.2 Explanation of timer Y operations .................................................................................. 2-42

2.3.3 Related registers ........................................................................................................... 2-50

2.3.4 Register setting example ............................................................................................... 2-65

2.3.5 Application examples ..................................................................................................... 2-74

2.3.6 Notes on use ................................................................................................................. 2-81

2.4 Timer 1, timer 2, and timer 3 .......................................................................................... 2-84

2.4.1 Explanation of operations .............................................................................................. 2-84

2.4.2 Related registers ........................................................................................................... 2-89

2.4.3 Register setting example ............................................................................................... 2-98

2.4.4 Application example ......................................................................................................2-99

2.4.5 Notes on use ............................................................................................................... 2-101

2.5 Serial I/O ............................................................................................................................. 2-102

2.5.1 Explanation of operations ............................................................................................ 2-102

2.5.2 Pins .............................................................................................................................. 2-119

2.5.3 Related registers ......................................................................................................... 2-120

2.5.4 Register setting example ............................................................................................. 2-128

2.5.5 Notes on use ............................................................................................................... 2-138

2.6 A-D converter ..................................................................................................................... 2-140

2.6.1 Explanation of operations ............................................................................................ 2-140

2.6.2 Conversion method ..................................................................................................... 2-141

2.6.3 Pins .............................................................................................................................. 2-145

2.6.4 Related registers ......................................................................................................... 2-146

2.6.5 Measuring various A-D converter standard characteristics ......................................... 2-154

2.6.6 Register setting example ............................................................................................. 2-156

2.6.7 Application example .................................................................................................... 2-161

2.6.8 Notes on use ............................................................................................................... 2-163

2.7 LCD drive control circuit ................................................................................................. 2-164

2.7.1 Explanation of operations ............................................................................................ 2-164

2.7.2 Pins .............................................................................................................................. 2-165

2.7.3 Related registers ......................................................................................................... 2-168

2.7.4 Register setting example ............................................................................................. 2-175

2.7.5 Application examples ................................................................................................... 2-177

2.7.6 Notes on use ............................................................................................................... 2-181

2.8 Standby function ............................................................................................................... 2-182

2.8.1 Stop mode ................................................................................................................... 2-182

2.8.2 Wait mode ................................................................................................................... 2-187

2.8.3 State transitions of internal clock

φ ...................................................................................... 2-190

2.9 Reset .................................................................................................................................... 2-191

2.9.1 Explanation of operations ............................................................................................ 2-191

2.9.2 Internal state of the microcomputer immediately after reset release ........................... 2-193

2.9.3 Reset circuit ................................................................................................................. 2-194

2.9.4 Notes on the RESET pin ............................................................................................. 2-195

2.10 Oscillation circuit ............................................................................................................. 2-196

2.10.1 Oscillation circuit........................................................................................................ 2-196

2.10.2 Internal clock

φ .......................................................................................................... 2-198

2.10.3 Oscillating operation .................................................................................................. 2-200

2.10.4 Oscillation stabilizing time ......................................................................................... 2-203

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