Freescale Semiconductor MCF5480 - Manual (Page 30)

MCF548x Reference Manual, Rev. 3
xxx Freescale Semiconductor
Contents
Paragraph
Number
Title
Page
Number
24.4.8.1 LURC Features ................................................................................................... 24-25
24.4.9 Line Buffers ............................................................................................................ 24-26
24.4.9.1 Combine Write Enable ....................................................................................... 24-26
24.4.9.2 Read Line Enable ................................................................................................ 24-26
24.4.9.3 Speculative Prefetch ........................................................................................... 24-26
24.4.10 Termination of Loop ............................................................................................... 24-27
24.4.11 Interrupts ................................................................................................................. 24-27
24.4.12 Debug Unit .............................................................................................................. 24-27
24.5 Programming Model ................................................................................................... 24-27
24.5.1 Register Initialization .............................................................................................. 24-27
24.5.2 Task Memory .......................................................................................................... 24-28
24.5.2.1 Task Table .......................................................................................................... 24-28
24.6 Timing Diagrams ........................................................................................................ 24-30
24.6.1 Level-Triggered Requests ....................................................................................... 24-30
24.6.2 Edge-Triggered Requests ........................................................................................ 24-30
24.6.3 Pipelined Requests .................................................................................................. 24-31
Chapter 25
Comm Timer Module (CTM)
25.1 Introduction ................................................................................................................... 25-1
25.1.1 Block Diagrams ........................................................................................................ 25-1
25.1.2 Overview ................................................................................................................... 25-2
25.1.3 Comm Timer External Clock[7:0] ............................................................................ 25-3
25.2 Memory Map/Register Definition ................................................................................ 25-3
25.2.1 Timer Module Register Map ..................................................................................... 25-3
25.2.2 Register Descriptions ................................................................................................ 25-4
25.2.2.1 Comm Timer Configuration Register (CTCRn)—Fixed Timer Channel ............. 25-4
25.2.2.2 Comm Timer Configuration Register (CTCRn)—Variable Timer Channel ........ 25-5
25.3 Functional Description .................................................................................................. 25-7
25.3.1 Variable Timer in Baud Clock Generator Mode ...................................................... 25-7
25.3.2 Fixed Timer in Initiator Mode .................................................................................. 25-7
25.3.2.1 Fixed Timer in Initiator Mode Example ............................................................... 25-7
25.3.3 Variable Timer in Initiator Mode .............................................................................. 25-8
25.3.3.1 Variable Timer in Initiator Mode Example .......................................................... 25-8
Chapter 26
Programmable Serial Controller (PSC)
26.1 Introduction ................................................................................................................... 26-1