SH7080 Datasheet, PDF (39/1644 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 16 Serial Communication Interface with FIFO (SCIF)
Figure 16.1 Block Diagram of SCIF........................................................................................... 790
Figure 16.2 Example of Data Format in Asynchronous Communication
(8-Bit Data with Parity and Two Stop Bits) ............................................................ 831
Figure 16.3 Sample Flowchart for SCIF Initialization ............................................................... 834
Figure 16.4 Sample Flowchart for Transmitting Serial Data ...................................................... 835
Figure 16.5 Example of Transmit Operation (8-Bit Data, Parity, One Stop Bit)........................ 837
Figure 16.6 Example of Operation Using Modem Control (CTS).............................................. 837
Figure 16.7 Sample Flowchart for Receiving Serial Data .......................................................... 838
Figure 16.8 Sample Flowchart for Receiving Serial Data (cont)................................................ 839
Figure 16.9 Example of SCIF Receive Operation (8-Bit Data, Parity, One Stop Bit)................ 841
Figure 16.10 Example of Operation Using Modem Control (RTS)............................................ 841
Figure 16.11 Data Format in Clock Synchronous Communication ............................................ 842
Figure 16.12 Sample Flowchart for SCIF Initialization.............................................................. 844
Figure 16.13 Sample Flowchart for Transmitting Serial Data .................................................... 845
Figure 16.14 Example of SCIF Transmit Operation................................................................... 846
Figure 16.15 Sample Flowchart for Receiving Serial Data (1)................................................... 847
Figure 16.16 Sample Flowchart for Receiving Serial Data (2)................................................... 848
Figure 16.17 Example of SCIF Receive Operation .................................................................... 848
Figure 16.18 Sample Flowchart for Transmitting/Receiving Serial Data................................... 849
Figure 16.19 RTSIO Bit, RTSDT Bit, and RTS Pin................................................................... 851
Figure 16.20 CTSIO Bit, CTSDT bit, and CTS Pin ................................................................... 852
Figure 16.21 SCKIO Bit, SCKDT bit, and SCK Pin .................................................................. 852
Figure 16.22 SPBIO Bit, SPBDT bit, and TXD Pin ................................................................... 853
Figure 16.23 Receive Data Sampling Timing in Asynchronous Mode ...................................... 856
Section 17 Synchronous Serial Communication Unit (SSU)
Figure 17.1 Block Diagram of SSU............................................................................................ 860
Figure 17.2 Relationship of Clock Phase, Polarity, and Data..................................................... 876
Figure 17.3 Relationship between Data Input/Output Pins and the Shift Register ..................... 878
Figure 17.4 Example of Initial Settings in SSU Mode ............................................................... 882
Figure 17.5 Example of Transmission Operation (SSU Mode) .................................................. 884
Figure 17.6 Flowchart Example of Data Transmission (SSU Mode) ......................................... 885
Figure 17.7 Example of Reception Operation (SSU Mode) ....................................................... 887
Figure 17.8 Flowchart Example of Data Reception (SSU Mode)............................................... 888
Figure 17.9 Flowchart Example of Simultaneous Transmission/Reception (SSU Mode) .......... 889
Figure 17.10 Conflict Error Detection Timing (Before Transfer) .............................................. 890
Figure 17.11 Conflict Error Detection Timing (After Transfer End) ......................................... 891
Figure 17.12 Example of Initial Settings in Clock Synchronous Communication Mode ........... 892
Rev. 3.00 May 17, 2007 Page xxxix of Iviii