Contents
iv ADSP-214xx SHARC Processor Hardware Reference
SHARC Family Product Offerings ........................................... 1-2
Processor Architectural Overview .................................................. 1-2
Processor Core ........................................................................ 1-2
I/O Peripherals ....................................................................... 1-3
I/O Processor ..................................................................... 1-3
Digital Audio Interface (DAI) ............................................. 1-3
Interrupt Controller ........................................................... 1-4
Signal Routing Unit ............................................................ 1-4
Digital Peripheral Interface (DPI) ....................................... 1-4
Interrupt Controller ........................................................... 1-4
Signal Routing Unit 2 ......................................................... 1-5
Development Tools ....................................................................... 1-5
Differences from Previous Processors ............................................. 1-5
I/O Architecture Enhancements .............................................. 1-6
I/O PROCESSOR
Features ........................................................................................ 2-2
Register Overview ......................................................................... 2-3
DMA Channel Registers ............................................................... 2-3
DMA Channel Allocation ....................................................... 2-3
Standard DMA Parameter Registers ......................................... 2-4
Extended DMA Parameter Registers ........................................ 2-8
Data Buffers ......................................................................... 2-10
Chain Pointer Registers ......................................................... 2-11
TCB Storage ............................................................................... 2-13
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