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Number
20.3.7.2.2
20.3.8
IDMA TransfersÑDual-Address and Single-Address.................................20-15
20.3.8.1
Dual-Address (Dual-Cycle) Transfer .......................................................20-15
20.3.8.2
Single-Address (Single-Cycle) Transfer (Fly-By) ...................................20-15
20.3.9
Single-Buffer Mode on IDMA1ÑA Special Case.......................................20-18
20.3.9.1
IDMA1 Channel Mode Register (DCMR) (Single-Buffer Mode) ...........20-19
20.3.9.2
IDMA1 Status Register (IDSR1) (Single-Buffer Mode) .........................20-19
20.3.9.3
IDMA1 Mask Register (IDMR1) (Single-Buffer Mode) .........................20-20
20.3.9.4
Burst Timing (Single-Buffer Mode).........................................................20-20
20.3.10
External Recognition of an IDMA Transfer.................................................20-21
20.3.11
Interrupts During an IDMA Bus Transfer ....................................................20-22
21.1
SI Features ..........................................................................................................21-3
21.2
The Time-Slot Assigner (TSA) ..........................................................................21-3
21.2.1
TSA Signals....................................................................................................21-7
21.2.2
Enabling Connections to the TSA ..................................................................21-8
21.2.3
SI RAM ..........................................................................................................21-8
21.2.3.1
Disabling and Reenabling the TSA ............................................................21-9
21.2.3.2
One TDM Channel with Static Frames ......................................................21-9
21.2.3.3
Two TDM Channels with Static Frames ..................................................21-10
21.2.3.4
SI RAM Dynamic Changes ......................................................................21-10
21.2.3.5
One TDM Channel with Dynamic Frames...............................................21-13
21.2.3.6
Two TDM Channels with Dynamic Frames ............................................21-13
21.2.3.7
Programming the SI RAM .......................................................................21-14
21.2.3.8
SI RAM Programming Example ..............................................................21-15
21.2.4
The SI Registers ...........................................................................................21-16
21.2.4.1
SI Global Mode Register (SIGMR)..........................................................21-16
21.2.4.2
SI Mode Register (SIMODE)...................................................................21-17
21.2.4.3
SI Clock Route Register (SICR) ..............................................................21-23
21.2.4.4
SI Command Register (SICMR) ..............................................................21-24
21.2.4.5
SI Status Register (SISTR).......................................................................21-25
21.2.4.6
SI RAM Pointer Register (SIRP) .............................................................21-26
21.2.5
IDL Bus Implementation..............................................................................21-28
21.2.5.1
ISDN Terminal Adaptor Application .......................................................21-28
21.2.5.2
Programming the IDL Interface ...............................................................21-31
21.2.6
GCI Bus Implementation..............................................................................21-32
21.2.6.1
GCI Activation/Deactivation....................................................................21-34
21.2.6.2
Programming the GCI Interface ...............................................................21-34
21.2.6.2.1
xx
CONTENTS
Edge-Sensitive Requests ......................................................................20-14
Chapter 21
Serial Interface
Normal Mode .......................................................................................21-34
MPC860 PowerQUICC UserÕs Manual
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MOTOROLA
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