SH7721 datasheet(23/1524 Pages) RENESAS

23 / 1524 page

Rev. 3.00 Jan. 18, 2008 Page xxiii of lxii

22.3.5 Dial Pulse Number Queue (DPNQ) ...................................................................... 745

22.3.6 Ringing Pulse Counter (RCNT)............................................................................ 746

22.3.7 AFE Control Data Register (ACDR) .................................................................... 746

22.3.8 AFE Status Data Register (ASDR) ....................................................................... 746

22.3.9 Transmit Data FIFO Port (TDFP)......................................................................... 747

22.3.10 Receive Data FIFO Port (RDFP) .......................................................................... 747

22.4

Operation ........................................................................................................................... 748

22.4.1 Interrupt Timing.................................................................................................... 748

22.4.2 AFE Interface........................................................................................................ 750

22.4.3 DAA Interface....................................................................................................... 752

22.4.4 Wake up Ringing Interrupt ................................................................................... 754

Section 23 USB Pin Multiplex Controller ...........................................................755

23.1

Features.............................................................................................................................. 755

23.2

Input/Output Pins ...............................................................................................................756

23.3

Register Descriptions ......................................................................................................... 758

23.3.1 USB Transceiver Control Register (UTRCTL) .................................................... 758

23.4

Examples of External Circuit ............................................................................................. 759

23.4.1 Example of the Connection between USB Function Controller and Transceiver . 759

23.4.2 Example of the Connection between USB Host Controller and Transceiver........ 761

23.5

Usage Notes ....................................................................................................................... 763

23.5.1 About the USB Transceiver .................................................................................. 763

23.5.2 About the Examples of External Circuit ............................................................... 763

Section 24 USB Host Controller (USBH) ...........................................................765

24.1

Features.............................................................................................................................. 765

24.2

Input/Output Pins ...............................................................................................................766

24.3

Register Descriptions ......................................................................................................... 767

24.3.1 Hc Revision Register (USBHR) ........................................................................... 768

24.3.2 Hc Control Register (USBHC) ............................................................................. 768

24.3.3 Hc Command Status Register (USBHCS) ............................................................ 771

24.3.4 Hc Interrupt Status Register (USBHIS) ................................................................ 774

24.3.5 Hc Interrupt Enable Register (USBHIE) .............................................................. 776

24.3.6 Hc Interrupt Disable Register (USBHID) ............................................................. 777

24.3.7 HCCA Register (USBHHCCA)............................................................................ 779

24.3.8 Hc Period Current ED Register (USBHPCED) .................................................... 779

24.3.9 Hc Control Head ED Register (USBHCHED)...................................................... 780

24.3.10 Hc Control Current ED Register (USBHCCED) .................................................. 780

24.3.11 Hc Bulk Head ED Register (USBHBHED) .......................................................... 780

24.3.12 Hc Bulk Current ED Register (USBHBCED) ...................................................... 781

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