H838024R datasheet(39/697 Pages) RENESAS

39 / 697 page

Rev. 7.00 Mar 10, 2005 page xxxix of xlii

12.3.1 A/D Conversion Operation .................................................................................. 406

12.3.2 Start of A/D Conversion by External Trigger Input ............................................ 406

12.3.3 A/D Converter Operation Modes......................................................................... 407

12.4

Interrupts........................................................................................................................... 407

12.5

Typical Use....................................................................................................................... 407

12.6

A/D Conversion Accuracy Definitions ............................................................................. 411

12.7

Application Notes ............................................................................................................. 413

12.7.1 Permissible Signal Source Impedance ................................................................. 413

12.7.2 Influences on Absolute Precision ........................................................................ 413

12.7.3 Additional Usage Notes ....................................................................................... 414

Section 13 LCD Controller/Driver ................................................................................. 415

13.1

Overview........................................................................................................................... 415

13.1.1 Features................................................................................................................ 415

13.1.2 Block Diagram..................................................................................................... 416

13.1.3 Pin Configuration ................................................................................................ 418

13.1.4 Register Configuration......................................................................................... 418

13.2

Register Descriptions........................................................................................................ 419

13.2.1 LCD Port Control Register (LPCR)..................................................................... 419

13.2.2 LCD Control Register (LCR) .............................................................................. 421

13.2.3 LCD Control Register 2 (LCR2) ......................................................................... 423

13.2.4 Clock Stop Register 2 (CKSTPR2) ..................................................................... 425

13.3

Operation .......................................................................................................................... 426

13.3.1 Settings up to LCD Display ................................................................................. 426

13.3.2 Relationship between LCD RAM and Display.................................................... 428

13.3.3 Operation in Power-Down Modes ....................................................................... 433

13.3.4 Boosting the LCD Drive Power Supply............................................................... 434

Section 14 Power-On Reset and Low-Voltage Detection Circuits

(H8/38124 Group Only)............................................................................... 435

14.1

Overview........................................................................................................................... 435

14.1.1 Features................................................................................................................ 435

14.1.2 Block Diagram..................................................................................................... 436

14.1.3 Pin Description .................................................................................................... 437

14.1.4 Register Descriptions........................................................................................... 437

14.2

Individual Register Descriptions....................................................................................... 437

14.2.1 Low-Voltage Detection Control Register (LVDCR) ........................................... 437

14.2.2 Low-Voltage Detection Status Register (LVDSR) .............................................. 440

14.2.3 Low-Voltage Detection Counter (LVDCNT) ...................................................... 442

14.2.4 Clock Stop Register 2 (CKSTPR2) ..................................................................... 442

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