H8S-2258 Datasheet, PDF (74/1071 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2200 Series

Figure 15.44 Operation when Switching from SCK Pin Function to Port Pin Function
(Example of Preventing Low-Level Output).......................................................... 631
Section 16 I2C Bus Interface (IIC) (Option)
Figure 16.1 Block Diagram of I²C Bus Interface....................................................................... 635
Figure 16.2 I²C Bus Interface Connections (Example: This LSI as Master) ............................. 636
Figure 16.3 I²C Bus Data Formats (I²C Bus Formats)............................................................... 654
Figure 16.4 I²C Bus Data Format (Serial Format) ..................................................................... 654
Figure 16.5 I²C Bus Timing....................................................................................................... 654
Figure 16.6 Flowchart for IIC Initialization (Example)............................................................. 655
Figure 16.7 Flowchart for Master Transmit Mode (Example)................................................... 656
Figure 16.8 Example of Master Transmit Mode Operation Timing (MLS = WAIT = 0) ......... 658
Figure 16.9 Example of Master Transmit Mode Stop Condition Generation Timing
(MLS = WAIT = 0) ................................................................................................ 658
Figure 16.10 Flowchart for Master Receive Mode (Receiving Multiple Bytes) (WAIT = 1)
(Example) ...................................................................................................................... 660
Figure 16.11 Flowchart for Master Receive Mode (Receiving 1 Byte) (WAIT = 1) (Example) 661
Figure 16.12 Example of Master Receive Mode Operation Timing (MLS = ACKB = 0,
WAIT = 1).............................................................................................................. 663
Figure 16.13 Example of Master Receive Mode Stop Condition Generation Timing
(MLS = ACKB = 0, WAIT = 1)............................................................................. 664
Figure 16.14 Flowchart for Slave Transmit Mode (Example)..................................................... 665
Figure 16.15 Example of Slave Receive Mode Operation Timing (1) (MLS = ACKB = 0) ....... 667
Figure 16.16 Example of Slave Receive Mode Operation Timing (2) (MLS = ACKB = 0) ....... 668
Figure 16.17 Sample Flowchart for Slave Transmit Mode.......................................................... 669
Figure 16.18 Example of Slave Transmit Mode Operation Timing (MLS = 0) .......................... 671
Figure 16.19 IRIC Setting Timing and SCL Control................................................................... 672
Figure 16.20 Block Diagram of Noise Canceler.......................................................................... 674
Figure 16.21 Points for Attention Concerning Reading of Master Receive Data........................ 680
Figure 16.22 Flowchart and Timing of Start Condition Instruction Issuance for
Retransmission ....................................................................................................... 681
Figure 16.23 Timing of Stop Condition Issuance........................................................................ 682
Figure 16.24 IRIC Flag Clearance in WAIT = 1 Status .............................................................. 682
Figure 16.25 ICDR Read and ICCR Access Timing in Slave Transmit Mode............................ 683
Figure 16.26 TRS Bit Setting Timing in Slave Mode ................................................................. 684
Figure 16.27 Diagram of Erroneous Operation Wen Arbitration Is Lost .................................... 686
Figure 16.28 IRIC Flag Clearing Timing in Wait Operation....................................................... 687
Section 17 A/D Converter
Figure 17.1 Block Diagram of A/D Converter .......................................................................... 690
Rev. 5.00 Aug 08, 2006 page lxxiv of lxxxvi