Motorola PowerQUICC II MPC8280 Series Reference Manual page 30

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27.5.1.2 Transaction-Level Interface ..................................................................... 27-10
27.5.2 SOF Transmission for USB Host Controller ............................................... 27-13
27.5.3 USB Function and Host Parameter RAM Memory Map............................. 27-13
27.5.4 Endpoint Parameters Block Pointer (EPxPTR) ........................................... 27-14
27.5.5 Frame Number (FRAME_N)....................................................................... 27-16
27.5.6 USB Function Code Registers (RFCR and TFCR) ..................................... 27-17
27.5.7 USB Function Programming Model ............................................................ 27-17
27.5.7.1 USB Mode Register (USMOD)............................................................... 27-18
27.5.7.2 USB Slave Address Register (USADR) .................................................. 27-18
27.5.7.3 USB Endpoint Registers (USEP1–USEP4)............................................. 27-19
27.5.7.4 USB Command Register (USCOM)........................................................ 27-20
27.5.7.5 USB Event Register (USBER) ................................................................ 27-21
27.5.7.6 USB Mask Register (USBMR)................................................................ 27-22
27.5.7.7 USB Status Register (USBS)................................................................... 27-22
27.5.7.8 USB Start of Frame Timer (USSFT) ....................................................... 27-23
27.6 USB Buffer Descriptor Ring............................................................................ 27-23
27.6.1 USB Receive Buffer Descriptor (Rx BD) for Host and Function ............... 27-26
27.6.2 USB Transmit Buffer Descriptor (Tx BD) for Function.............................. 27-28
27.6.3 USB Transmit Buffer Descriptor (Tx BD) for Host .................................... 27-30
27.6.4 USB Transaction Buffer Descriptor (TrBD) for Host.................................. 27-32
27.7 USB CP Commands......................................................................................... 27-34
27.7.1 STOP Tx Command..................................................................................... 27-35
27.7.2 RESTART Tx Command ............................................................................. 27-35
27.8 USB Controller Errors ..................................................................................... 27-35
27.9 USB Function Controller Initialization Example ............................................ 27-36
27.10 Programming the USB Host Controller (Packet-Level) .................................. 27-37
27.10.1 USB Host Controller Initialization Example ............................................... 27-38
27.11 Programming the USB Host Controller (Transaction-Level) .......................... 27-40
27.11.1 USB Host Controller Initialization Example ............................................... 27-40
28.1 Features .............................................................................................................. 28-2
28.2 Common SMC Settings and Configurations ..................................................... 28-3
28.2.1 SMC Mode Registers (SMCMR1/SMCMR2)............................................... 28-3
28.2.2 SMC Buffer Descriptor Operation................................................................. 28-5
28.2.3 SMC Parameter RAM.................................................................................... 28-6
28.2.3.1 SMC Function Code Registers (RFCR/TFCR) ......................................... 28-9
28.2.4 Disabling SMCs On-the-Fly .......................................................................... 28-9
28.2.4.1 SMC Transmitter Full Sequence.............................................................. 28-10
28.2.4.2 SMC Transmitter Shortcut Sequence ...................................................... 28-10
xxx
Freescale Semiconductor, Inc.
Contents
Title
Chapter 28
Serial Management Controllers (SMCs)
MPC8280 PowerQUICC II Family Reference Manual
For More Information On This Product,
Go to: www.freescale.com
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MOTOROLA