Freescale Semiconductor MCF5480 - Manual (Page 32)

MCF548x Reference Manual, Rev. 3
xxxii Freescale Semiconductor
Contents
Paragraph
Number
Title
Page
Number
26.3.3.28 Rx and Tx FIFO Last Read Frame Pointer (PSCRLRFPn, PSCTLRFPn) ......... 26-33
26.3.3.29 Rx and Tx FIFO Last Write Frame Pointer (PSCRLWFPn, PSCTLWFPn) ...... 26-34
26.4 Functional Description ................................................................................................ 26-35
26.4.1 UART Mode ........................................................................................................... 26-35
26.4.2 Multidrop Mode ...................................................................................................... 26-36
26.4.3 Modem8 Mode ........................................................................................................ 26-37
26.4.4 Modem16 Mode ...................................................................................................... 26-38
26.4.5 AC97 Mode ............................................................................................................. 26-39
26.4.5.1 Transmitter .......................................................................................................... 26-40
26.4.5.2 Receiver .............................................................................................................. 26-40
26.4.5.3 Low Power Mode ............................................................................................... 26-40
26.4.6 SIR Mode ................................................................................................................ 26-41
26.4.7 MIR Mode ............................................................................................................... 26-41
26.4.7.1 Data Format ........................................................................................................ 26-41
26.4.7.2 Serial Interaction Pulse (SIP) .............................................................................. 26-42
26.4.8 FIR Mode ................................................................................................................ 26-42
26.4.8.1 Data Format ........................................................................................................ 26-42
26.4.9 PSC FIFO System ................................................................................................... 26-43
26.4.9.1 RX FIFO ............................................................................................................. 26-44
26.4.9.2 TX FIFO ............................................................................................................. 26-45
26.4.10 Looping Modes ....................................................................................................... 26-46
26.4.10.1 Automatic Echo Mode ........................................................................................ 26-46
26.4.10.2 Local Loopback Mode ........................................................................................ 26-46
26.4.10.3 Remote Loopback Mode ..................................................................................... 26-47
26.5 Resets .......................................................................................................................... 26-47
26.5.1 General .................................................................................................................... 26-47
26.5.2 Description of Reset Operation ............................................................................... 26-47
26.5.2.1 Reset ................................................................................................................... 26-47
26.5.2.2 CRSRX ............................................................................................................... 26-47
26.5.2.3 CRSTX ............................................................................................................... 26-47
26.5.2.4 CRSES ................................................................................................................ 26-47
26.6 Interrupts ..................................................................................................................... 26-48
26.6.1 Description of Interrupt Operation ......................................................................... 26-48
26.6.1.1 Processor Interrupt .............................................................................................. 26-48
26.7 Software Environment ................................................................................................ 26-48
26.7.1 General .................................................................................................................... 26-48
26.7.2 Configuration .......................................................................................................... 26-49
26.7.2.1 UART Mode ....................................................................................................... 26-49
26.7.2.2 Modem8 Mode .................................................................................................... 26-50
26.7.2.3 Modem16 Mode .................................................................................................. 26-51
26.7.2.4 AC97 Mode ........................................................................................................ 26-51