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