
MOTOROLA
Contents
xvii
CONTENTS
Paragraph
Number
Title
Page
Number
Chapter 16
Baud-Rate Generators (BRGs)
16.1
16.2
16.3
BRG Configuration Registers 1–8 (BRGCx).....................................................16-2
Autobaud Operation on a UART .......................................................................16-4
UART Baud Rate Examples ..............................................................................16-5
Chapter 17
Timers
17.1
17.2
17.2.1
17.2.2
17.2.3
17.2.4
17.2.5
17.2.6
17.2.7
Features..............................................................................................................17-2
General-Purpose Timer Units.............................................................................17-2
Cascaded Mode..............................................................................................17-3
Timer Global Configuration Registers (TGCR1 and TGCR2)......................17-4
Timer Mode Registers (TMR1–TMR4).........................................................17-6
Timer Reference Registers (TRR1–TRR4)....................................................17-7
Timer Capture Registers (TCR1–TCR4).......................................................17-8
Timer Counters (TCN1–TCN4).....................................................................17-8
Timer Event Registers (TER1–TER4)...........................................................17-8
Chapter 18
SDMA Channels and IDMA Emulation
18.1
18.2
18.2.1
18.2.2
18.2.3
18.2.4
18.3
18.4
18.5
18.5.1
18.5.1.1
18.5.1.2
18.5.2
18.5.2.1
18.5.2.1.1
18.5.2.1.2
18.5.2.2
18.5.2.2.1
18.5.2.2.2
SDMA Bus Arbitration and Bus Transfers........................................................18-2
SDMA Registers ................................................................................................18-3
SDMA Status Register (SDSR) .....................................................................18-3
SDMA Mask Register (SDMR).....................................................................18-4
SDMA Transfer Error Address Registers (PDTEA and LDTEA).................18-4
SDMA Transfer Error MSNUM Registers (PDTEM and LDTEM) .............18-4
IDMA Emulation................................................................................................18-5
IDMA Features...................................................................................................18-5
IDMA Transfers.................................................................................................18-6
Memory-to-Memory Transfers ......................................................................18-6
External Request Mode..............................................................................18-8
Normal Mode.............................................................................................18-9
Memory to/from Peripheral Transfers ...........................................................18-9
Dual-Address Transfers ...........................................................................18-10
Peripheral to Memory..........................................................................18-10
Memory to Peripheral..........................................................................18-10
Single Address (Fly-By) Transfers..........................................................18-11
Peripheral-to-Memory Fly-By Transfers.............................................18-11
Memory-to-Peripheral Fly-By Transfers.............................................18-11