COM20022 View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
MFG CO.
'COM20022' PDF : 88 Pages View PDF
nCS
nREFEX
t19
t20
t19
t20
t10
t26
t3
t3
DREQ
nDACK
t6
t2
t21
t24
t5
t4
t1
t25
t7*
t24
t25
TC
t15
t16
DIR
VALID
VALID
t22
t11
t23
t22
t23
nDS
DATA
(D15-D0)
Write LOW-POINTER
when DMAEN=1
t12
t14
t8
t9
VALID
t13
t18
t17
VALID
Note*: t7 is measured from the latest active timing among TC, Write/Read.
FIGURE 28B - DMA TIMING (MOTOROLA MODE 68XX)
78
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