Texas Instruments TMS320C6455 User Manual

Page 34

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DDR2CLKOUT

DDR2CLKOUT

DSDCKE

DCE0

DSDWE

DSDRAS

DSDCAS

DSDDQM0

DSDDQM1

DSDDQS0

DSDDQS1

DBA[2:0]

DEA[13:0]

DED[7:0]

V

REFSSTL

ODT0

DSDDQS0

DSDDQS1

CK

CK

CKE

CS

WE

RAS

CAS

DM
DQS

RDQS

BA[2:0]

A[13:0]

DQ[7:0]

ODT

DQS

RDQS

DDR2

Memory

x8-bit

V

REF

DDR2

Memory

Controller

ODT1

DSDDQGATE0

(A)

DSDDQGATE1

(A)

DSDDQGATE2

(A)

DSDDQGATE3

(A)

DDRSLRATE

DED[15:8]

CK

CK

CKE

CS

WE

RAS

CAS

DM
DQS

RDQS

BA[2:0]

A[13:0]

DQ[7:0]

ODT

DQS

RDQS

DDR2

Memory

x8-bit

V

DD

V

REF

V

REF

Using the DDR2 Memory Controller

www.ti.com

Figure 18. Connecting to Two 8-Bit DDR2 SDRAM Devices

A

These pins are used as a timing reference during memory reads. For routing rules, see the device-specific data
manual.

34

C6455/C6454 DDR2 Memory Controller

SPRU970G

December 2005

Revised June 2011

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©

2005

2011, Texas Instruments Incorporated

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