Freescale Semiconductor PowerQUICC MPC885 Reference Manual page 30

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Number
30.7.1 SPI Buffer Descriptors (BDs) .................................................................................. 30-12
30.7.1.1 SPI Receive BD (RxBD) ..................................................................................... 30-13
30.7.1.2 SPI Transmit BD (TxBD) .................................................................................... 30-14
30.8 SPI Master Programming Example ............................................................................. 30-15
30.9 SPI Slave Programming Example................................................................................ 30-16
30.10 Handling Interrupts in the SPI ..................................................................................... 30-17
31.1 USB Integration in the MPC885.................................................................................... 31-1
31.2 Overview........................................................................................................................ 31-1
31.3 USB Controller Key Features ........................................................................................ 31-1
31.4 Host Controller Limitations ........................................................................................... 31-2
31.5 USB Controller Pin Functions and Clocking................................................................. 31-2
31.6 USB Functional Description.......................................................................................... 31-4
31.6.1 USB Function Controller Transmit/Receive.............................................................. 31-5
31.7 USB Host Description ................................................................................................... 31-7
31.7.1 USB Host Controller Transmit/Receive .................................................................... 31-8
31.7.2 SOF transmission for USB Host controller ............................................................. 31-11
31.8 USB Function and Host Parameter RAM Memory Map............................................. 31-11
31.9 Endpoint Parameter Block Pointer (EPxPTR) ............................................................. 31-12
31.10 Endpoint Parameter Block ........................................................................................... 31-13
31.10.1 Frame Number (FRAME_N)................................................................................... 31-14
31.10.1.1 Frame Number in Function Mode ....................................................................... 31-14
31.10.1.2 Frame Number In Host Mode.............................................................................. 31-14
31.10.2 USB Function Code Registers (RFCR and TFCR) ................................................. 31-15
31.11 USB Function Programming Model ........................................................................... 31-16
31.11.1 USB Mode Register (USMOD)............................................................................... 31-16
31.11.2 USB Slave Address Register (USADR) .................................................................. 31-17
31.11.3 USB Endpoint Registers (USEP0–USEP3)............................................................. 31-18
31.11.4 USB Command Register (USCOM)........................................................................ 31-19
31.11.5 USB Event Register (USBER) ................................................................................ 31-20
31.11.6 USB Mask Register (USBMR)................................................................................ 31-20
31.11.7 USB Status Register (USBS) ................................................................................... 31-21
31.12 USB Buffer Descriptor Ring........................................................................................ 31-21
31.12.1 USB Receive Buffer Descriptor (RxBD) for Host and Function ............................ 31-23
31.12.2 USB Transmit Buffer Descriptor (TxBD) for Function........................................... 31-25
31.12.3 USB Transmit Buffer Descriptor (TxBD) for Host ................................................. 31-26
31.13 USB CP Commands..................................................................................................... 31-28
31.13.1 STOP Tx Command (USBCMD=001).................................................................... 31-28
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Contents
Title
Chapter 31
Universal Serial Bus (USB)
MPC885 PowerQUICC Family Reference Manual, Rev. 2
Page
Number
Freescale Semiconductor