Chapter 13 bestcomm – Freescale Semiconductor MPC5200B User Manual
Page 11

Table Of Contents
Paragraph
Page
Number
Number
MPC5200B Users Guide, Rev. 1
TOC-10
Freescale Semiconductor
chapter 13 BestComm
13.1
Overview .................................................................................................................................................................13-1
13.2
BestComm Functional Description .........................................................................................................................13-1
13.3
Features summary ....................................................................................................................................................13-2
13.4
Descriptors ...............................................................................................................................................................13-2
13.5
Tasks ........................................................................................................................................................................13-2
13.6
Memory Map/ Register Definitions ........................................................................................................................13-2
13.7
Task Table (Entry Table) ........................................................................................................................................13-3
13.8
Task Descriptor Table .............................................................................................................................................13-3
13.9
Variable Table .........................................................................................................................................................13-3
13.10
Function Descriptor Table .......................................................................................................................................13-3
13.11
Context Save Area ...................................................................................................................................................13-3
13.12
BestComm DMA Registers—MBAR+0x1200 ......................................................................................................13-3
13.12.1
SDMA Task Bar Register—MBAR + 0x1200 .................................................................................................13-4
13.12.2
SDMA Current Pointer Register—MBAR + 0x1204 .......................................................................................13-4
13.12.3
SDMA End Pointer Register—MBAR + 0x1208 .............................................................................................13-5
13.12.4
SDMA Variable Pointer Register—MBAR + 0x120C .....................................................................................13-5
13.12.5
SDMA Interrupt Vector, PTD Control Register—MBAR + 0x1210 ...............................................................13-6
13.12.6
SDMA Interrupt Pending Register—MBAR + 0x1214 ....................................................................................13-6
13.12.7
SDMA Interrupt Mask Register—MBAR + 0x1218 ........................................................................................13-7
13.12.8
SDMA Task Control 0 Register—MBAR + 0x121C .......................................................................................13-8
13.12.9
SDMA Task Control 2 Register—MBAR + 0x1220 ........................................................................................13-9
13.12.10
SDMA Task Control 4 Register—MBAR + 0x1224 ......................................................................................13-10
13.12.11
SDMA Task Control 6 Register—MBAR + 0x1228 ......................................................................................13-10
13.12.12
SDMA Task Control 8 Register—MBAR + 0x122C .....................................................................................13-11
13.12.13
SDMA Task Control A Register—MBAR + 0x1230 .....................................................................................13-11
13.12.14
SDMA Task Control C Register—MBAR + 0x1234 .....................................................................................13-12
13.12.15
SDMA Task Control E Register—MBAR + 0x1238 .....................................................................................13-12
13.12.16
SDMA Initiator Priority 0 Register—MBAR + 0x123C ................................................................................13-13
13.12.17
SDMA Initiator Priority 4 Register—MBAR + 0x1240 .................................................................................13-14
13.12.18
SDMA Initiator Priority 8 Register—MBAR + 0x1244 .................................................................................13-14
13.12.19
SDMA Initiator Priority 12 Register—MBAR + 0x1248 ...............................................................................13-15
13.12.20
SDMA Initiator Priority 16 Register—MBAR + 0x124C ..............................................................................13-16
13.12.21
SDMA Initiator Priority 20 Register—MBAR + 0x1250 ...............................................................................13-17