Information

Section Number Title Page
41.3.3 Compensation...............................................................................................................................................1043
41.3.4 Time alarm...................................................................................................................................................1044
41.3.5 Update mode................................................................................................................................................1044
41.3.6 Register lock................................................................................................................................................1044
41.3.7 Access control..............................................................................................................................................1045
41.3.8 Interrupt........................................................................................................................................................1045
Chapter 42
Universal Serial Bus OTG Controller (USBOTG)
42.1 Introduction...................................................................................................................................................................1047
42.1.1 USB..............................................................................................................................................................1047
42.1.2 USB On-The-Go..........................................................................................................................................1048
42.1.3 USB-FS Features..........................................................................................................................................1049
42.2 Functional Description..................................................................................................................................................1049
42.2.1 Data Structures.............................................................................................................................................1049
42.3 Programmers Interface..................................................................................................................................................1050
42.3.1 Buffer Descriptor Table...............................................................................................................................1050
42.3.2 Rx vs. Tx as a USB Target Device or USB Host.........................................................................................1051
42.3.3 Addressing Buffer Descriptor Table Entries................................................................................................1052
42.3.4 Buffer Descriptor Formats...........................................................................................................................1052
42.3.5 USB Transaction..........................................................................................................................................1055
42.4 Memory Map/Register Definitions...............................................................................................................................1057
42.4.1 Peripheral ID Register (USBx_PERID).......................................................................................................1059
42.4.2 Peripheral ID Complement Register (USBx_IDCOMP).............................................................................1060
42.4.3 Peripheral Revision Register (USBx_REV)................................................................................................1060
42.4.4 Peripheral Additional Info Register (USBx_ADDINFO)............................................................................1061
42.4.5 OTG Interrupt Status Register (USBx_OTGISTAT)...................................................................................1061
42.4.6 OTG Interrupt Control Register (USBx_OTGICR).....................................................................................1062
42.4.7 OTG Status Register (USBx_OTGSTAT)...................................................................................................1063
42.4.8 OTG Control Register (USBx_OTGCTL)...................................................................................................1064
K20 Sub-Family Reference Manual, Rev. 6, Nov 2011
Freescale Semiconductor, Inc. 37