D950CORE View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

D950CORE

16-Bit Fixed Point Digital Signal Processor (DSP) Core

STMicroelectronics 

7.4 DMA CONTROLLER

D950-Core

7.4.1 Introduction

The D950-Core DMA controller manages data transfer between AS-DSP memories and

external peripherals, without using AS-DSP capabilities.

Figure 7.5 D950-Core DMA Controller Peripheral

IA ID XA XD

16

AS-DSP

YD

YA

16

16 16 16 16

D950-CORE

YRD

YWR

YBS

DMA_CLK

3

INTERRUPT

CONTROLLER

PERIPHERAL

IRD

IWR

IBS

XRD

XWR

XBS

HOLD HOLDACK CLK INCYCLE

DIT0 DIT1 DIT2 DIT3 DIT_AND

3

DMA CONTROLLER PERIPHERAL

3

RESET

DMARQ0

DMARQ1

DMARQ2

DMARQ3

DMACK0

DMACK1

DMACK2

DMACK3

DTACK

DIP_ENA

VR02020E

77/89

8

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