Motorola PowerQUICC II MPC8280 Series Reference Manual page 24

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17.1 BRG Configuration Registers 1–8 (BRGCx) .................................................... 17-2
17.2 Autobaud Operation on a UART ....................................................................... 17-4
17.3 UART Baud Rate Examples .............................................................................. 17-5
18.1 Features .............................................................................................................. 18-2
18.2 General-Purpose Timer Units ............................................................................ 18-2
18.2.1 Cascaded Mode.............................................................................................. 18-3
18.2.2 Timer Global Configuration Registers (TGCR1 and TGCR2)...................... 18-4
18.2.3 Timer Mode Registers (TMR1–TMR4)......................................................... 18-6
18.2.4 Timer Reference Registers (TRR1–TRR4) ................................................... 18-7
18.2.5 Timer Capture Registers (TCR1–TCR4) ....................................................... 18-8
18.2.6 Timer Counters (TCN1–TCN4)..................................................................... 18-8
18.2.7 Timer Event Registers (TER1–TER4)........................................................... 18-8
19.1 SDMA Bus Arbitration and Bus Transfers ........................................................ 19-2
19.2 SDMA Registers ................................................................................................ 19-3
19.2.1 SDMA Status Register (SDSR) ..................................................................... 19-3
19.2.2 SDMA Mask Register (SDMR)..................................................................... 19-4
19.2.3 SDMA Transfer Error Address Registers (PDTEA and LDTEA)................. 19-4
19.2.4 SDMA Transfer Error MSNUM Registers (PDTEM and LDTEM) ............. 19-4
19.3 IDMA Emulation ............................................................................................... 19-5
19.4 IDMA Features .................................................................................................. 19-6
19.5 IDMA Transfers................................................................................................. 19-6
19.5.1 Memory-to-Memory Transfers ...................................................................... 19-7
19.5.1.1 External Request Mode.............................................................................. 19-9
19.5.1.2 Normal Mode........................................................................................... 19-10
19.5.1.3 Working with a PCI Bus .......................................................................... 19-10
19.5.2 Memory to/from Peripheral Transfers ......................................................... 19-10
19.5.2.1 Dual-Address Transfers ........................................................................... 19-11
19.5.2.1.1 Peripheral to Memory.......................................................................... 19-11
19.5.2.1.2 Memory to Peripheral .......................................................................... 19-11
19.5.2.2 Single Address (Fly-By) Transfers .......................................................... 19-12
19.5.2.2.1 Peripheral-to-Memory Fly-By Transfers ............................................. 19-12
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Freescale Semiconductor, Inc.
Contents
Title
Chapter 17
Baud-Rate Generators (BRGs)
Chapter 18
Timers
Chapter 19
SDMA Channels and IDMA Emulation
MPC8280 PowerQUICC II Family Reference Manual
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