CL-PS7500FE View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CL-PS7500FE

System-on-a Chip for Internet Appliance

Cirrus Logic 

CL-PS7500FE

System-on-a-Chip for Internet Appliance

IDLE OR WRITE BUFF B

BUSY (BUFF A ACTIVE)

BUSY (BUFF A ACTIVE)

WRITE BUFF A

WRITE BUFF B

OR

INT

BUFF A

FINISHED

INT

BUFF A

BUFF A

FINISHED

(110)

FINISHED

(010)

FINISHED

(000)

(STOPA)

FINISHED

(STOPB)

(NOT STOPB)

BUFF B

(NOT STOPA)

WRITE BUFF A

INT

BUFF B

FINISHED

WRITE BUFF B

OR

INT

BUFF B

(001)

(011)

(111)

BUSY (BUFF B ACTIVE)

BUSY (BUFF B ACTIVE)

IDLE OR WRITE BUFF A

Figure 9-1. Hardware DMA State Machine Diagram

June 1997

ADVANCE DATA BOOK v2.0

77

MEMORY SUBSYSTEMS

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