Datasheet

Rev. 3.00 Mar 21, 2006 page xliv of liv
Figure 16.28 IRIC Setting Timing and SCL Control (3)........................................................... 470
Figure 16.29 Block Diagram of Noise Canceler ....................................................................... 473
Figure 16.30 Notes on Reading Master Receive Data............................................................... 479
Figure 16.31 Flowchart for Start Condition Issuance Instruction for Retransmission
and Timing........................................................................................................... 481
Figure 16.32 Stop Condition Issuance Timing.......................................................................... 482
Figure 16.33 IRIC Flag Clear Timing on WAIT Operation...................................................... 483
Figure 16.34 IRIC Flag Clearing Timing When WAIT = 1...................................................... 484
Figure 16.35 ICDR Read and ICCR Access Timing in Slave Transmit Mode ......................... 485
Figure 16.36 TRS Bit Set Timing in Slave Mode ..................................................................... 486
Figure 16.37 Diagram of Erroneous Operation when Arbitration is Lost................................. 487
Section 17 Keyboard Buffer Controller
Figure 17.1 Block Diagram of Keyboard Buffer Controller ................................................... 490
Figure 17.2 Keyboard Buffer Controller Connection.............................................................. 491
Figure 17.3 Sample Receive Processing Flowchart ................................................................ 496
Figure 17.4 Receive Timing.................................................................................................... 497
Figure 17.5 (1) Sample Transmit Processing Flowchart.............................................................. 498
Figure 17.5 (2) Sample Transmit Processing Flowchart.............................................................. 499
Figure 17.6 Transmit Timing ................................................................................................. 500
Figure 17.7 (1) Sample Receive Abort Processing Flowchart..................................................... 501
Figure 17.7 (2) Sample Receive Abort Processing Flowchart..................................................... 502
Figure 17.8 Receive Abort and Transmit Start (Transmission/Reception Switchover)
Timing.................................................................................................................. 502
Figure 17.9 KCLKI and KDI Read Timing............................................................................. 503
Figure 17.10 KCLKO and KDO Write Timing......................................................................... 504
Figure 17.11 KBF Setting and KCLK Automatic I/O Inhibit Generation Timing.................... 505
Figure 17.12 Receive Counter and KBBR Data Load Timing.................................................. 506
Figure 17.13 Example of KCLK Input Fall Interrupt Operation............................................... 507
Figure 17.14 KBIOE Setting and KCLK Falling Edge Detection Timing................................ 508
Section 18 Host Interface X-Bus Interface (XBS)
Figure 18.1 Block Diagram of XBS........................................................................................ 510
Figure 18.2 GA20 Output........................................................................................................ 522
Figure 18.3 HIRQ Output Flowchart (Example of Channels 1 and 2).................................... 526
Section 19 Host Interface LPC Interface (LPC)
Figure 19.1 Block Diagram of LPC ........................................................................................ 530
Figure 19.2 Typical LFRAME Timing ................................................................................... 564
Figure 19.3 Abort Mechanism ................................................................................................ 564
Figure 19.4 GA20 Output........................................................................................................ 566