Renesas HD6417641 - Page 23

Rev. 4.00 Sep. 14, 2005 Page xxiii of l
19.3.12 Line Status Register (SCLSR) .............................................................................. 720
19.4 Operation ........................................................................................................................... 721
19.4.1 Overview............................................................................................................... 721
19.4.2 Operation in Asynchronous Mode........................................................................ 723
19.4.3 Synchronous Operation......................................................................................... 733
19.5 SCIF Interrupts and DMAC............................................................................................... 742
19.6 Usage Notes....................................................................................................................... 743
Section 20 USB Function Module.....................................................................747
20.1 Features.............................................................................................................................. 747
20.1.1 Block Diagram...................................................................................................... 748
20.2 Pin Configuration...............................................................................................................748
20.3 Register Descriptions......................................................................................................... 749
20.3.1 USB Interrupt Flag Register 0 (USBIFR0)........................................................... 750
20.3.2 USB Interrupt Flag Register 1 (USBIFR1)........................................................... 751
20.3.3 USB Interrupt Flag Register 2 (USBIFR2)........................................................... 752
20.3.4 USB Interrupt Select Register 0 (USBISR0)........................................................ 753
20.3.5 USB Interrupt Select Register 1 (USBISR1)........................................................ 754
20.3.6 USB Interrupt Enable Register 0 (USBIER0).......................................................754
20.3.7 USB Interrupt Enable Register 1 (USBIER1).......................................................755
20.3.8 USB Interrupt Enable Register 2 (USBIER2).......................................................755
20.3.9 USBEP0i Data Register (USBEPDR0i) ............................................................... 756
20.3.10 USBEP0o Data Register (USBEPDR0o).............................................................. 756
20.3.11 USBEP0s Data Register (USBEPDR0s)............................................................... 757
20.3.12 USBEP1 Data Register (USBEPDR1).................................................................. 757
20.3.13 USBEP2 Data Register (USBEPDR2).................................................................. 758
20.3.14 USBEP3 Data Register (USBEPDR3).................................................................. 758
20.3.15 USBEP0o Receive Data Size Register (USBEPSZ0o).........................................758
20.3.16 USBEP1 Receive Data Size Register (USBEPSZ1)............................................. 759
20.3.17 USB Trigger Register (USBTRG)........................................................................ 759
20.3.18 USB Data Status Register (USBDASTS)............................................................. 760
20.3.19 USBFIFO Clear Register (USBFCLR).................................................................761
20.3.20 USBDMA Transfer Setting Register (USBDMAR).............................................762
20.3.21 USB Endpoint Stall Register (USBEPSTL) ......................................................... 763
20.3.22 USB Transceiver Control Register (USBXVERCR)............................................ 764
20.3.23 USB Bus Power Control Register (USBCTRL) ................................................... 765
20.4 Operation ........................................................................................................................... 766
20.4.1 Cable Connection.................................................................................................. 766
20.4.2 Cable Disconnection............................................................................................. 767
20.4.3 Control Transfer.................................................................................................... 768