H8SXSLASH1657C datasheet(21/892 Pages) RENESAS

21 / 892 page

Rev. 2.00 Jun. 28, 2007 Page xxi of xxiv

14.7.8 Clock Output Control............................................................................................ 616

14.8

Interrupt Sources................................................................................................................ 618

14.8.1 Interrupts in Normal Serial Communication Interface Mode ............................... 618

14.8.2 Interrupts in Smart Card Interface Mode .............................................................. 619

14.9

Usage Notes ....................................................................................................................... 620

14.9.1 Module Stop State Setting .................................................................................... 620

14.9.2 Break Detection and Processing ........................................................................... 620

14.9.3 Mark State and Break Detection ........................................................................... 620

14.9.4 Receive Error Flags and Transmit Operations

(Clocked Synchronous Mode Only) ..................................................................... 620

14.9.5 Relation between Writing to TDR and TDRE Flag .............................................. 621

14.9.6 Restrictions on Using DMAC or DTC.................................................................. 621

14.9.7 Operations in Power-Down State.......................................................................... 622

Section 15 A/D Converter..................................................................................625

15.1

Features.............................................................................................................................. 625

15.2

Input/Output Pins ...............................................................................................................627

15.3

Register Descriptions ......................................................................................................... 627

15.3.1 A/D Data Registers A to H (ADDRA to ADDRH) .............................................. 628

15.3.2 A/D Control/Status Register (ADCSR) ................................................................ 629

15.3.3 A/D Control Register (ADCR) ............................................................................. 631

15.4

Operation ........................................................................................................................... 632

15.4.1 Single Mode.......................................................................................................... 632

15.4.2 Scan Mode ............................................................................................................ 633

15.4.3 Input Sampling and A/D Conversion Time .......................................................... 635

15.4.4 External Trigger Input Timing.............................................................................. 636

15.5

Interrupt Source ................................................................................................................. 637

15.6

A/D Conversion Accuracy Definitions .............................................................................. 637

15.7

Usage Notes ....................................................................................................................... 639

15.7.1 Module Stop State Setting .................................................................................... 639

15.7.2 Permissible Signal Source Impedance .................................................................. 639

15.7.3 Influences on Absolute Accuracy ......................................................................... 640

15.7.4 Setting Range of Analog Power Supply and Other Pins ....................................... 640

15.7.5 Notes on Board Design ......................................................................................... 640

15.7.6 Notes on Noise Countermeasures ......................................................................... 641

15.7.7 A/D Input Hold Function in Software Standby Mode .......................................... 642

Section 16 D/A Converter..................................................................................643

16.1

Features.............................................................................................................................. 643

16.2

Input/Output Pins ...............................................................................................................644

H8SX/1657C Datasheet(PDF) 21 Page - Renesas Technology Corp

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