
Rev. 5.0, 09/04, page xiv of xviii
Section 14 Smart Card Interface........................................................................515
14.1
Overview...........................................................................................................................515
14.1.1 Features................................................................................................................515
14.1.2 Block Diagram.....................................................................................................516
14.1.3 Pin Configuration.................................................................................................516
14.1.4 Register Configuration.........................................................................................517
14.2
Register Descriptions........................................................................................................518
14.2.1 Smart Card Mode Register (SCMR)....................................................................518
14.2.2 Serial Status Register (SSR).................................................................................519
14.2.3 Serial Mode Register (SMR)................................................................................521
14.2.4 Serial Control Register (SCR)..............................................................................522
14.3
Operation ..........................................................................................................................522
14.3.1 Overview..............................................................................................................522
14.3.2 Pin Connections...................................................................................................523
14.3.3 Data Format .........................................................................................................524
14.3.4 Register Settings ..................................................................................................525
14.3.5 Clock....................................................................................................................527
14.3.6 Transmitting and Receiving Data ........................................................................529
14.4
Usage Notes......................................................................................................................537
Section 15 A/D Converter .................................................................................541
15.1
Overview...........................................................................................................................541
15.1.1 Features................................................................................................................541
15.1.2 Block Diagram.....................................................................................................542
15.1.3 Input Pins.............................................................................................................543
15.1.4 Register Configuration.........................................................................................544
15.2
Register Descriptions........................................................................................................545
15.2.1 A/D Data Registers A to D (ADDRA to ADDRD)..............................................545
15.2.2 A/D Control/Status Register (ADCSR)................................................................546
15.2.3 A/D Control Register (ADCR).............................................................................549
15.3
CPU Interface....................................................................................................................550
15.4
Operation ..........................................................................................................................551
15.4.1 Single Mode (SCAN = 0) ....................................................................................551
15.4.2 Scan Mode (SCAN = 1).......................................................................................553
15.4.3 Input Sampling and A/D Conversion Time .........................................................555
15.4.4 External Trigger Input Timing.............................................................................556
15.5
Interrupts...........................................................................................................................557
15.6
Usage Notes......................................................................................................................557
Section 16 D/A Converter .................................................................................563
16.1
Overview...........................................................................................................................563
16.1.1 Features................................................................................................................563
16.1.2 Block Diagram.....................................................................................................563