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Renesas H8S/2111B User Manual

Page 27

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Rev. 1.00, 05/04, page xxvii of xxxiv

Figure 13.25 IRIC Setting Timing and SCL Control (1) ............................................................ 331

Figure 13.26 IRIC Setting Timing and SCL Control (2) ............................................................ 332

Figure 13.27 IRIC Setting Timing and SCL Control (3) ............................................................ 333

Figure 13.28 Block Diagram of Noise Canceler......................................................................... 334

Figure 13.29 Notes on Reading Master Receive Data ................................................................ 340

Figure 13.30 Flowchart for Start Condition Issuance Instruction for Retransmission

and Timing............................................................................................................. 341

Figure 13.31 Stop Condition Issuance Timing ........................................................................... 342

Figure 13.32 IRIC Flag Clearing Timing when WAIT = 1 ........................................................ 343

Figure 13.33 ICDR Read and ICCR Access Timing in Slave Transmit Mode........................... 344

Figure 13.34 TRS Bit Set Timing in Slave Mode....................................................................... 345

Figure 13.35 Diagram of Erroneous Operation when Arbitration is Lost................................... 347

Section 14 Keyboard Buffer Controller

Figure 14.1 Block Diagram of Keyboard Buffer Controller....................................................... 349

Figure 14.2 Keyboard Buffer Controller Connection ................................................................. 350

Figure 14.3 Sample Receive Processing Flowchart.................................................................... 355

Figure 14.4 Receive Timing ....................................................................................................... 356

Figure 14.5 Sample Transmit Processing Flowchart (1)............................................................ 357

Figure 14.5 Sample Transmit Processing Flowchart (2)............................................................. 358

Figure 14.6 Transmit Timing...................................................................................................... 358

Figure 14.7 Sample Receive Abort Processing Flowchart (1)................................................... 359

Figure 14.7 Sample Receive Abort Processing Flowchart (2)................................................... 360

Figure 14.8 Receive Abort and Transmit Start

(Transmission/Reception Switchover) Timing ....................................................... 360

Figure 14.9 KCLKI and KDI Read Timing ................................................................................ 361

Figure 14.10 KCLKO and KDO Write Timing .......................................................................... 361

Figure 14.11 KBF Setting and KCLK Automatic I/O Inhibit Generation Timing ..................... 362

Figure 14.12 Receive Counter and KBBR Data Load Timing ................................................... 363

Figure 14.13 Example of KCLK Input Fall Interrupt Operation ................................................ 364

Figure 14.14 KBIOE Setting and KCLK Falling Edge Detection Timing ................................. 365

Section 15 Host Interface (LPC)

Figure 15.1 Block Diagram of LPC............................................................................................ 370

Figure 15.2 Typical

LFRAME Timing....................................................................................... 400

Figure 15.3 Abort Mechanism .................................................................................................... 400

Figure 15.4 GA20 Output ........................................................................................................... 401

Figure 15.5 Power-Down State Termination Timing ................................................................. 406

Figure 15.6 SERIRQ Timing...................................................................................................... 407

Figure 15.7 Clock Start Request Timing .................................................................................... 409

Figure 15.8 HIRQ Flowchart (Example of Channel 1)............................................................... 412

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