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Rev. 4.00 Jan 26, 2006 page xvii of xxii
14.3.6 Transmitting and Receiving Data ........................................................................ 558
14.4
Usage Notes ...................................................................................................................... 566
Section 15 A/D Converter................................................................................................. 569
15.1
Overview........................................................................................................................... 569
15.1.1 Features................................................................................................................ 569
15.1.2 Block Diagram ..................................................................................................... 570
15.1.3 Input Pins ............................................................................................................. 571
15.1.4 Register Configuration......................................................................................... 572
15.2
Register Descriptions ........................................................................................................ 573
15.2.1 A/D Data Registers A to D (ADDRA to ADDRD).............................................. 573
15.2.2 A/D Control/Status Register (ADCSR) ............................................................... 574
15.2.3 A/D Control Register (ADCR) ............................................................................ 577
15.3
CPU Interface.................................................................................................................... 578
15.4
Operation .......................................................................................................................... 580
15.4.1 Single Mode (SCAN = 0) .................................................................................... 580
15.4.2 Scan Mode (SCAN = 1)....................................................................................... 582
15.4.3 Input Sampling and A/D Conversion Time ......................................................... 584
15.4.4 External Trigger Input Timing ............................................................................. 586
15.5
Interrupts ........................................................................................................................... 587
15.6
Usage Notes ...................................................................................................................... 587
Section 16 D/A Converter................................................................................................. 593
16.1
Overview........................................................................................................................... 593
16.1.1 Features................................................................................................................ 593
16.1.2 Block Diagram ..................................................................................................... 594
16.1.3 Input/Output Pins ................................................................................................. 594
16.1.4 Register Configuration......................................................................................... 595
16.2
Register Descriptions ........................................................................................................ 596
16.2.1 D/A Data Registers 0 and 1 (DADR0/1).............................................................. 596
16.2.2 D/A Control Register (DACR) ............................................................................ 596
16.2.3 D/A Standby Control Register (DASTCR).......................................................... 598
16.3
Operation .......................................................................................................................... 599
16.4
D/A Output Control .......................................................................................................... 600
Section 17 RAM .................................................................................................................. 601
17.1
Overview........................................................................................................................... 601
17.1.1 Block Diagram ..................................................................................................... 602
17.1.2 Register Configuration......................................................................................... 603
17.2
System Control Register (SYSCR) ................................................................................... 604
17.3
Operation .......................................................................................................................... 605