H83024 datasheet(28/841 Pages) RENESAS

28 / 841 page

Rev. 2.00 Sep 20, 2005 page xxviii of xxxviii

Figure 12.3

Phase Relationship between Output Clock and Serial Data

(Asynchronous Mode) ......................................................................................... 385

Figure 12.4

Sample Flowchart for SCI Initialization .............................................................. 386

Figure 12.5

Sample Flowchart for Transmitting Serial Data .................................................. 387

Figure 12.6

Example of SCI Transmit Operation in Asynchronous Mode

(8-Bit Data with Parity and One Stop Bit)........................................................... 388

Figure 12.7

Sample Flowchart for Receiving Serial Data....................................................... 389

Figure 12.8

Example of SCI Receive Operation (8-Bit Data with Parity and One Stop Bit).. 392

Figure 12.9

Example of Communication among Processors using Multiprocessor Format

(Sending Data H'AA to Receiving Processor A) ................................................. 393

Figure 12.10 Sample Flowchart for Transmitting Multiprocessor Serial Data ......................... 394

Figure 12.11 Example of SCI Transmit Operation

(8-Bit Data with Multiprocessor Bit and One Stop Bit) ...................................... 395

Figure 12.12 Sample Flowchart for Receiving Multiprocessor Serial Data.............................. 396

Figure 12.13 Example of SCI Receive Operation

(8-Bit Data with Multiprocessor Bit and One Stop Bit) ...................................... 398

Figure 12.14 Data Format in Synchronous Communication..................................................... 399

Figure 12.15 Sample Flowchart for SCI Initialization .............................................................. 401

Figure 12.16 Sample Flowchart for Serial Transmitting........................................................... 402

Figure 12.17 Example of SCI Transmit Operation ................................................................... 403

Figure 12.18 Sample Flowchart for Serial Receiving ............................................................... 404

Figure 12.19 Example of SCI Receive Operation..................................................................... 406

Figure 12.20 Sample Flowchart for Simultaneous Serial Transmitting and Receiving ............ 407

Figure 12.21 Receive Data Sampling Timing in Asynchronous Mode..................................... 410

Figure 12.22 Example of Synchronous Transmission............................................................... 411

Figure 12.23 Operation when Switching from SCK Pin Function to Port Pin Function........... 412

Figure 12.24 Operation when Switching from SCK Pin Function to Port Pin Function

(Example of Preventing Low-Level Output) ....................................................... 413

Section 13 Smart Card Interface

Figure 13.1

Block Diagram of Smart Card Interface .............................................................. 416

Figure 13.2

Smart Card Interface Connection Diagram.......................................................... 424

Figure 13.3

Smart Card Interface Data Format....................................................................... 425

Figure 13.4

Timing of TEND Flag Setting ............................................................................. 431

Figure 13.5

Sample Transmission Processing Flowchart........................................................ 432

Figure 13.6

Relation Between Transmit Operation and Internal Registers............................. 433

Figure 13.7

Timing of TEND Flag Setting ............................................................................. 433

Figure 13.8

Sample Reception Processing Flowchart............................................................. 434

Figure 13.9

Timing for Fixing Cock Output ........................................................................... 435

Figure 13.10 Procedure for Stopping and Restarting the Clock................................................ 436

Figure 13.11 Receive Data Sampling Timing in Smart Card Interface Mode .......................... 437

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