SH7706 datasheet(39/749 Pages) RENESAS

39 / 749 page

Rev. 5.00 May 29, 2006 page xxxix of xlviii

Figure 13.3

Reading the Time................................................................................................. 358

Figure 13.4

Using the Alarm Function.................................................................................... 359

Figure 13.5

Example of Crystal Oscillator Circuit Connection .............................................. 360

Figure 13.6

Using Periodic Interrupt Function........................................................................ 361

Section 14 Serial Communication Interface (SCI)

Figure 14.1

SCI Block Diagram.............................................................................................. 364

Figure 14.2

SCPT[1]/SCK0 Pin .............................................................................................. 365

Figure 14.3

SCPT[0]/TxD0 Pin............................................................................................... 366

Figure 14.4

SCPT[0]/RxD0 Pin .............................................................................................. 366

Figure 14.5

Data Format in Asynchronous Communication................................................... 392

Figure 14.6

Output Clock and Serial Data Timing (Asynchronous Mode)............................. 394

Figure 14.7

Sample Flowchart for SCI Initialization .............................................................. 395

Figure 14.8

Sample Flowchart for Transmitting Serial Data .................................................. 396

Figure 14.9

SCI Transmit Operation in Asynchronous Mode................................................. 398

Figure 14.10 Sample Flowchart for Receiving Serial Data....................................................... 399

Figure 14.11 SCI Receive Operation ........................................................................................ 402

Figure 14.12 Communication Among Processors Using Multiprocessor Format..................... 403

Figure 14.13 Sample Flowchart for Transmitting Multiprocessor Serial Data ......................... 404

Figure 14.14 SCI Multiprocessor Transmit Operation .............................................................. 406

Figure 14.15 Sample Flowchart for Receiving Multiprocessor Serial Data.............................. 407

Figure 14.16 Example of SCI Receive Operation ..................................................................... 409

Figure 14.17 Data Format in Clock Synchronous Communication .......................................... 410

Figure 14.18 Sample Flowchart for SCI Initialization .............................................................. 411

Figure 14.19 Sample Flowchart for Serial Transmitting ........................................................... 412

Figure 14.20 Example of SCI Transmit Operation ................................................................... 413

Figure 14.21 Sample Flowchart for Serial Data Receiving....................................................... 414

Figure 14.22 Example of SCI Receive Operation ..................................................................... 415

Figure 14.23 Sample Flowchart for Serial Data Transmitting/Receiving ................................. 416

Figure 14.24 Receive Data Sampling Timing in Asynchronous Mode..................................... 419

Section 15 Smart Card Interface

Figure 15.1

Smart Card Interface Block Diagram................................................................... 422

Figure 15.2

Pin Connection Diagram for the Smart Card Interface ........................................ 428

Figure 15.3

Data Format for Smart Card Interface ................................................................. 428

Figure 15.4

Waveform of Start Character ............................................................................... 430

Figure 15.5

Initialization Flowchart (Example) ...................................................................... 434

Figure 15.6

Transmission Flowchart....................................................................................... 435

Figure 15.7

Reception Flowchart (Example) .......................................................................... 436

Figure 15.8

Receive Data Sampling Timing in Smart Card Mode.......................................... 438

Figure 15.9

Retransmission in SCI Receive Mode.................................................................. 439

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