SH7706 Datasheet, PDF (39/749 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7700 Series

Figure 13.3
Figure 13.4
Figure 13.5
Figure 13.6
Reading the Time................................................................................................. 358
Using the Alarm Function.................................................................................... 359
Example of Crystal Oscillator Circuit Connection .............................................. 360
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
Rev. 5.00 May 29, 2006 page xxxix of xlviii