A - 5

16.3.4

Clock Synchronous Serial Mode ...................................................................................................... 450

16.3.5

Examples of Register Setting ............................................................................................................ 453

16.3.6

Noise Canceller ................................................................................................................................. 457

16.3.7

Bit Synchronization Circuit .............................................................................................................. 458

16.3.8

Notes on I2C bus Interface ................................................................................................................ 459

17.

Hardware LIN .............................................................................................................................. 460

17.1

Features ................................................................................................................................................. 460

17.2

Input/Output Pins .................................................................................................................................. 461

17.3

Register Configuration .......................................................................................................................... 462

17.4

Functional Description .......................................................................................................................... 464

17.4.1

Master Mode ..................................................................................................................................... 464

17.4.2

Slave Mode ....................................................................................................................................... 467

17.4.3

Bus Collision Detection Function ..................................................................................................... 471

17.4.4

Hardware LIN End Processing ......................................................................................................... 472

17.5

Interrupt Requests .................................................................................................................................. 473

17.6

Notes on Hardware LIN ........................................................................................................................ 474

18.

A/D Converter ............................................................................................................................. 475

18.1

Common Items for Multiple Modes ...................................................................................................... 480

18.1.1

Input/Output Pins .............................................................................................................................. 480

18.1.2

Sample and Hold ............................................................................................................................... 480

18.1.3

A/D Conversion Cycles .................................................................................................................... 480

18.1.4

A/D Conversion Start Condition ....................................................................................................... 481

18.1.5

A/D Conversion Result ..................................................................................................................... 482

18.1.6

Low Current Consumption Function ................................................................................................ 482

18.2

One-Shot Mode ..................................................................................................................................... 483

18.3

Repeat Mode 0 ....................................................................................................................................... 484

18.4

Repeat Mode 1 ....................................................................................................................................... 485

18.5

Single Sweep Mode ............................................................................................................................... 486

18.6

Repeat Sweep Mode .............................................................................................................................. 488

18.7

Internal Equivalent Circuit of Analog Input .......................................................................................... 490

18.8

Output Impedance of Sensor under A/D Conversion ............................................................................ 491

18.9

Notes on A/D Converter ........................................................................................................................ 492

19.

D/A Converter ............................................................................................................................. 493

20.

Flash Memory ............................................................................................................................. 495

20.1

Overview ............................................................................................................................................... 495

20.2

Memory Map ......................................................................................................................................... 496

20.3

Functions to Prevent Rewriting of Flash Memory ................................................................................ 498

20.3.1

ID Code Check Function .................................................................................................................. 498

20.3.2

ROM Code Protect Function ............................................................................................................ 499

20.4

CPU Rewrite Mode ............................................................................................................................... 500

20.4.1

EW0 Mode ........................................................................................................................................ 501

20.4.2

EW1 Mode ........................................................................................................................................ 501

20.4.3

Software Commands ......................................................................................................................... 510

20.4.4

Status Registers ................................................................................................................................. 515

20.4.5

Full Status Check .............................................................................................................................. 516