Table of Contents
Paragraph
Number
Title
Page
Number
MOTOROLA
MC68360 USER’S MANUAL
xi
7.6.4.2.3
7.6.4.3
7.6.4.4
7.6.4.4.1
7.6.4.4.2
7.6.4.4.3
7.6.4.4.4
7.6.4.5
7.6.4.6
7.6.4.6.1
7.6.4.6.2
7.6.4.6.3
7.6.4.6.4
7.6.4.7
7.6.4.7.1
7.6.4.7.2
7.6.4.7.3
7.6.4.8
7.6.4.8.1
7.6.4.8.2
7.6.4.8.3
7.6.5
7.6.5.1
7.6.5.2
7.6.5.3
7.7
7.7.1
7.7.2
7.7.2.1
7.7.2.2
7.7.2.3
7.8
7.8.1
7.8.2
7.8.3
7.8.4
7.8.4.1
7.8.4.2
7.8.4.3
7.8.4.4
7.8.4.5
7.8.4.6
7.8.4.7
7.8.5
7.8.5.1
IDMA Commands (INIT_IDMA)............................................................. 7-38
Starting the IDMA.................................................................................. 7-38
Requesting IDMA Transfers.................................................................. 7-39
Internal Maximum Rate......................................................................... 7-39
Internal Limited Rate............................................................................. 7-39
External Burst Mode.............................................................................. 7-40
External Cycle Steal.............................................................................. 7-42
IDMA Bus Arbitration............................................................................. 7-43
IDMA Operand Transfers...................................................................... 7-45
Dual Address Mode............................................................................... 7-45
Single Address Mode (Flyby Transfers)................................................ 7-48
Fast-Termination Option........................................................................ 7-50
Externally Recognizing IDMA Operand Transfers................................. 7-51
Bus Exceptions...................................................................................... 7-51
Reset..................................................................................................... 7-51
Bus Error............................................................................................... 7-51
Retry...................................................................................................... 7-51
Ending the IDMA Transfer..................................................................... 7-52
Single Buffer Mode Termination............................................................ 7-52
Auto Buffer Mode Termination. ............................................................. 7-53
Buffer Chaining Mode Termination........................................................ 7-54
IDMA Examples.................................................................................... 7-55
Single Buffer Examples......................................................................... 7-55
Buffer Chaining Example....................................................................... 7-55
Auto Buffer Example ............................................................................. 7-56
SDMA Channels.................................................................................... 7-57
SDMA Bus Arbitration and Bus Transfers............................................. 7-57
SDMA Registers.................................................................................... 7-59
SDMA Configuration Register (SDCR).................................................. 7-59
SDMA Status Register (SDSR)............................................................. 7-61
SDMA Address Register (SDAR).......................................................... 7-61
Serial Interface with Time Slot Assigner................................................ 7-62
SI Key Features.................................................................................... 7-62
TSA Overview ...................................................................................... 7-64
Enabling Connections to the TSA ........................................................ 7-67
SI RAM................................................................................................. 7-68
One Multiplexed Channel with Static Frames ....................................... 7-69
One Multiplexed Channel with Dynamic Frames .................................. 7-69
Two Multiplexed Channels with Static Frames...................................... 7-70
Two Multiplexed Channels with Dynamic Frames................................. 7-71
Programming SI RAM Entries............................................................... 7-72
SI RAM Programming Example ............................................................ 7-75
SI RAM Dynamic Changes.................................................................... 7-75
SI Registers........................................................................................... 7-77
SI Global Mode Register (SIGMR)........................................................ 7-77