Samsung S3C2440A User Manual

Page 176

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S3C2440A RISC MICROPROCESSOR

MEMORY CONTROLLER

DEC.13, 2002

5-11

PROGRAMMABLE ACCESS CYCLE

Tcoh

Tcos

Tacs

HCLK

A[24:0]

nGCS

nOE

nWE

nWBE

D[31:0](R)

D[31:0] (W)

Tacc

Tacp

Tcah

Tacs = 1 cycle
Tcos = 1 cycle
Tacc = 3 cycles

Tacp = 2 cycles
Tcoh = 1 cycle
Tcah = 2 cycles

Figure 5-12. S3C2440A nGCS Timing Diagram

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