ADSP-21065L datasheet(2/44 Pages) AD

2 / 44 page

REV. C

ADSP-21065L

–2–

544 Kbits Configurable On-Chip SRAM

Dual-Ported for Independent Access by Core Processor

and DMA

Configurable in Combinations of 16-, 32-, 48-Bit Data and

Program Words in Block 0 and Block 1

DMA Controller

Ten DMA Channels—Two Dedicated to the External Port

and Eight Dedicated to the Serial Ports

Background DMA Transfers at up to 66 MHz, in Parallel

with Full Speed Processor Execution

Performs Transfers Between:

Internal RAM and Host

Internal RAM and Serial Ports

Internal RAM and Master or Slave SHARC

Internal RAM and External Memory or I/O Devices

External Memory and External Devices

Host Processor Interface

Efficient Interface to 8-, 16-, and 32-Bit Microprocessors

Host Can Directly Read/Write ADSP-21065L IOP Registers

Multiprocessing

Distributed On-Chip Bus Arbitration for Glueless, Parallel

Bus Connect Between Two ADSP-21065Ls Plus Host

132 Mbytes/s Transfer Rate Over Parallel Bus

Serial Ports

Independent Transmit and Receive Functions

Programmable 3-Bit to 32-Bit Serial Word Width

I2S Support Allowing Eight Transmit and Eight Receive

Channels

Glueless Interface to Industry Standard Codecs

TDM Multichannel Mode with

-Law/A-Law Hardware

Companding

Multichannel Signaling Protocol

ADSP-21065L Datasheet(PDF) 2 Page - Analog Devices