MPC8280 datasheet(29/1386 Pages) FREESCALE

29 / 1386 page

MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

Freescale Semiconductor

xxix

Contents

Paragraph

Number

Title

Page

Number

25.19

SCC Ethernet Transmit Buffer Descriptor................................................................... 25-18

25.20

SCC Ethernet Event Register (SCCE)/Mask Register (SCCM) .................................. 25-20

25.21

SCC Ethernet Programming Example ......................................................................... 25-22

Chapter 26

SCC AppleTalk Mode

26.1

Operating the LocalTalk Bus ......................................................................................... 26-1

26.2

Features .......................................................................................................................... 26-2

26.3

Connecting to AppleTalk ............................................................................................... 26-2

26.4

Programming the SCC in AppleTalk Mode................................................................... 26-3

26.4.1

Programming the GSMR ........................................................................................... 26-3

26.4.2

Programming the PSMR............................................................................................ 26-4

26.4.3

Programming the TODR............................................................................................ 26-4

26.4.4

SCC AppleTalk Programming Example.................................................................... 26-4

Chapter 27

Universal Serial Bus Controller

27.1

USB Integration in the MPC8280.................................................................................. 27-1

27.2

Overview........................................................................................................................ 27-1

27.2.1

USB Controller Key Features .................................................................................... 27-2

27.3

Host Controller Limitations ........................................................................................... 27-2

27.3.1

USB Controller Pin Functions and Clocking............................................................. 27-2

27.4

USB Function Description............................................................................................. 27-4

27.4.1

USB Function Controller Transmit/Receive.............................................................. 27-5

27.5

USB Host Description ................................................................................................... 27-7

27.5.1

USB Host Controller Transmit/Receive .................................................................... 27-8

27.5.1.1

Packet-Level Interface ........................................................................................... 27-9

27.5.1.2

Transaction-Level Interface ................................................................................... 27-9

27.5.2

SOF Transmission for USB Host Controller ........................................................... 27-12

27.5.3

USB Function and Host Parameter RAM Memory Map......................................... 27-12

27.5.4

Endpoint Parameters Block Pointer (EPxPTR) ....................................................... 27-13

27.5.5

Frame Number (FRAME_N)................................................................................... 27-15

27.5.6

USB Function Code Registers (RFCR and TFCR) ................................................. 27-16

27.5.7

USB Function Programming Model ........................................................................ 27-17

27.5.7.1

USB Mode Register (USMOD)........................................................................... 27-17

27.5.7.2

USB Slave Address Register (USADR) .............................................................. 27-18

27.5.7.3

USB Endpoint Registers (USEP1–USEP4)......................................................... 27-18

27.5.7.4

USB Command Register (USCOM).................................................................... 27-20

27.5.7.5

USB Event Register (USBER) ............................................................................ 27-20

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