Analog Devices SHARC ADSP-214 Series - Page 5

ADSP-214xx SHARC Processor Hardware Reference v
Contents
Serial Port TCB ..................................................................... 2-14
SPI TCB ............................................................................... 2-14
UART TCB .......................................................................... 2-15
Link Port TCB ...................................................................... 2-15
FIR Accelerator TCB ............................................................. 2-16
IIR Accelerator TCB .............................................................. 2-17
FFT Accelerator TCB ............................................................ 2-18
External Port TCB ................................................................. 2-19
Clocking ..................................................................................... 2-22
Functional Description ............................................................... 2-22
Automated Data Transfer ....................................................... 2-22
DMA Transfer Types ............................................................. 2-23
DMA Direction ..................................................................... 2-24
Internal to External Memory ............................................. 2-24
Peripheral to Internal Memory .......................................... 2-24
Peripheral to External Memory (SPORTs) .......................... 2-25
Internal Memory to Internal Memory ................................ 2-25
DMA Controller Addressing .................................................. 2-25
Internal Index Register Addressing ..................................... 2-27
External Index Register Addressing .................................... 2-28
DMA Channel Status ............................................................ 2-28
DMA Start and Stop Conditions ............................................ 2-29
Operating Modes ........................................................................ 2-30
DMA Chaining ..................................................................... 2-32
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