Renesas SH7641 User Manual
Page 38
Rev. 4.00 Sep. 14, 2005 Page xxxviii of l
Figure 18.117 Output-Level Detection Operation ...................................................................... 682
Section 19 Serial Communication Interface with FIFO (SCIF)
Figure 19.1 Block Diagram of SCIF........................................................................................... 687
Figure 19.2 Example of Data Format in Asynchronous Communication
(8-Bit Data with Parity and Two Stop Bits)........................................................... 723
Figure 19.3 Sample Flowchart for SCIF Initialization ............................................................... 726
Figure 19.4 Sample Flowchart for Transmitting Serial Data...................................................... 727
Figure 19.5 Example of Transmit Operation (8-Bit Data, Parity, One Stop Bit)........................ 729
Figure 19.6 Example of Operation Using Modem Control (
CTS).............................................. 729
Figure 19.7 Sample Flowchart for Receiving Serial Data .......................................................... 730
Figure 19.8 Sample Flowchart for Receiving Serial Data (cont)................................................ 731
Figure 19.9 Example of SCIF Receive Operation (8-Bit Data, Parity, One Stop Bit)................ 733
Figure 19.10 Example of Operation Using Modem Control (
RTS)............................................ 733
Figure 19.11 Data Format in Synchronous Communication ...................................................... 734
Figure 19.12 Sample Flowchart for SCIF Initialization ............................................................. 735
Figure 19.13 Sample Flowchart for Transmitting Serial Data.................................................... 736
Figure 19.14 Example of SCIF Transmit Operation................................................................... 737
Figure 19.15 Sample Flowchart for Receiving Serial Data (1)................................................... 738
Figure 19.16 Sample Flowchart for Receiving Serial Data (2)................................................... 739
Figure 19.17 Example of SCIF Receive Operation .................................................................... 740
Figure 19.18 Sample Flowchart for Transmitting/Receiving Serial Data................................... 741
Figure 19.19 Receive Data Sampling Timing in Asynchronous Mode ...................................... 745
Figure 19.20 DMA Transfer Example in the Synchronization Clock ........................................ 746
Section 20 USB Function Module
Figure 20.1 Block Diagram of USB ........................................................................................... 748
Figure 20.2 Cable Connection Operation ................................................................................... 766
Figure 20.3 Cable Disconnection Operation............................................................................... 767
Figure 20.4 Transfer Stages in Control Transfer ........................................................................ 768
Figure 20.5 Setup Stage Operation............................................................................................. 769
Figure 20.6 Data Stage (Control-IN) Operation ......................................................................... 770
Figure 20.7 Data Stage (Control-OUT) Operation ..................................................................... 771
Figure 20.8 Status Stage (Control-IN) Operation ....................................................................... 772
Figure 20.9 Status Stage (Control-OUT) Operation ................................................................... 773
Figure 20.10 EP1 Bulk-OUT Transfer Operation....................................................................... 775
Figure 20.11 EP2 Bulk-IN Transfer Operation........................................................................... 777
Figure 20.12 EP3 Interrupt-IN Transfer Operation .................................................................... 778
Figure 20.13 Forcible Stall by Application ................................................................................ 781
Figure 20.14 Automatic Stall by USB Function Module............................................................ 783
Figure 20.15 EP1 RDFN Operation............................................................................................ 784