Datasheet

Rev. 6.00 Aug 04, 2006 page xix of xxxvi
12.5 Typical Use ....................................................................................................................... 425
12.6 Application Notes ............................................................................................................. 428
12.6.1 Application Notes ................................................................................................ 428
12.6.2 Permissible Signal Source Impedance ................................................................. 429
12.6.3 Influences on Absolute Precision......................................................................... 429
Section 13 LCD Controller/Driver ................................................................................. 431
13.1 Overview........................................................................................................................... 431
13.1.1 Features................................................................................................................ 431
13.1.2 Block Diagram..................................................................................................... 432
13.1.3 Pin Configuration................................................................................................. 433
13.1.4 Register Configuration......................................................................................... 433
13.2 Register Descriptions ........................................................................................................ 434
13.2.1 LCD Port Control Register (LPCR)..................................................................... 434
13.2.2 LCD Control Register (LCR)............................................................................... 436
13.2.3 LCD Control Register 2 (LCR2).......................................................................... 438
13.2.4 Clock Stop Register 2 (CKSTPR2)...................................................................... 440
13.3 Operation........................................................................................................................... 441
13.3.1 Settings up to LCD Display ................................................................................. 441
13.3.2 Relationship between LCD RAM and Display .................................................... 444
13.3.3 Luminance Adjustment Function (V
0
Pin)........................................................... 452
13.3.4 Low-Power-Consumption LCD Drive System .................................................... 453
13.3.5 Operation in Power-Down Modes ....................................................................... 457
13.3.6 Boosting the LCD Drive Power Supply............................................................... 458
13.3.7 Connection to HD66100 ...................................................................................... 459
Section 14 Power Supply Circuit.................................................................................... 461
14.1 Overview........................................................................................................................... 461
14.2 When Using Internal Power Supply Step-Down Circuit................................................... 461
14.3 When Not Using Internal Power Supply Step-Down Circuit............................................ 462
14.4 H8/3847S Group ............................................................................................................... 462
14.5 Notes on Switching from the H8/3847R to the H8/38347 or H8/38447........................... 462
Section 15 Electrical Characteristics.............................................................................. 463
15.1 H8/3847R Group Absolute Maximum Ratings (Regular Specifications) ......................... 463
15.2 H8/3847R Electrical Characteristics (Regular Specifications) ......................................... 464
15.2.1 Power Supply Voltage and Operating Range....................................................... 464
15.2.2 DC Characteristics ............................................................................................... 467
15.2.3 AC Characteristics ............................................................................................... 472
15.2.4 A/D Converter Characteristics ............................................................................. 477