SH7721 datasheet(41/1524 Pages) RENESAS

41 / 1524 page

Rev. 3.00 Jan. 18, 2008 Page xli of lxii

Figure 17.4 Using Alarm Function ............................................................................................. 582

Figure 17.5 Using Periodic Interrupt Function ........................................................................... 583

Figure 17.6 Example of Crystal Oscillator Circuit Connection.................................................. 584

Section 18 Serial Communication Interface with FIFO (SCIF)

Figure 18.1 Block Diagram of SCIF........................................................................................... 587

Figure 18.2 Sample SCIF Initialization Flowchart ..................................................................... 616

Figure 18.3 Sample Serial Transmission Flowchart ................................................................... 617

Figure 18.4 Example of Transmit Operation

(Example with 8-Bit Data, Parity, One Stop Bit) .................................................... 619

Figure 18.5 Example of Transmit Data Stop Function ............................................................... 619

Figure 18.6 Transmit Data Stop Function Flowchart ................................................................. 620

Figure 18.7 Sample Serial Reception Flowchart (1)................................................................... 621

Figure 18.8 Sample Serial Reception Flowchart (2)................................................................... 622

Figure 18.9 Example of SCIF Receive Operation

(Example with 8-Bit Data, Parity, One Stop Bit) .................................................... 623

Figure 18.10 Example of

CTS Control Operation ......................................................................624

Figure 18.11 Example of

RTS Control Operation ......................................................................624

Figure 18.12 Data Format in Synchronous Communication ...................................................... 625

Figure 18.13 Sample SCIF Initialization Flowchart (1) (Transmission) .................................... 626

Figure 18.13 Sample SCIF Initialization Flowchart (2) (Reception).......................................... 627

Figure 18.13 Sample SCIF Initialization Flowchart (3)

(Simultaneous Transmission and Reception) ........................................................ 628

Figure 18.14 Sample Serial Transmission Flowchart (1)

(First Transmission after Initialization) ................................................................. 629

Figure 18.14 Sample Serial Transmission Flowchart (2)

(Second and Subsequent Transmission) ................................................................ 630

Figure 18.15 Sample Serial Reception Flowchart (1) (First Reception after Initialization) ....... 631

Figure 18.15 Sample Serial Reception Flowchart (2) (Second and Subsequent Reception) ...... 632

Figure 18.16 Sample Simultaneous Serial Transmission and Reception Flowchart (1)

(First Transfer after Initialization) ......................................................................... 633

Figure 18.16 Sample Simultaneous Serial Transmission and Reception Flowchart (2)

(Second and Subsequent Transfer) ........................................................................ 634

Figure 18.17 Receive Data Sampling Timing in Asynchronous Mode ...................................... 638

Section 19 Infrared Data Association Module (IrDA)

Figure 19.1 Block Diagram of IrDA........................................................................................... 639

Figure 19.2 Transmit/Receive Operation.................................................................................... 643

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