Samsung S3C2440A User Manual

Page 541

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S3C2440A RISC MICROPROCESSOR

ELECTRICAL DATA

27-23

SCLK

nSRAS

nSCAS

ADDR/BA

nBEx

tXnBRQH

tXnBRQS

SCKE

A10/AP

nGCSx

nWE

'1'

XnBREQ

XnBACK

EXTCLK

tXnBACKD

tXnBACKD

'HZ'

'HZ'

'HZ'

'HZ'

'HZ'

'HZ'

'HZ'

'HZ'

'HZ'

tHZD

tHZD

tHZD

tHZD

tHZD

tHZD

tHZD

tHZD

tHZD

tXnBRQL

Figure 27-21 External Bus Request in SDRAM Timing Diagram (Trp=2, Trcd=2, Tcl=2)

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