USB97C100 Standard Microsystems Corporation, USB97C100 Datasheet - Page 59

• Manufacturer Part Number: USB97C100
• Description: USB97C100 Multi-endpoint Usb Peripheral Controller(not Recommended For Designs)
• Manufacturer: Standard Microsystems Corporation

SMSC DS – USB97C100
nMEMRD /nIOR
nMEMWR/ nIOW
NAME
t10
t11
t12
t13
t14
t15
t16
t1
t2
t3
t4
t7
t8
t9
or
SA[19:0]
nDACK
DATA
SD[7:0]
AEN
TC
SA[19:0] Address Setup time to
nMEMRD/nIOR or nMEMWR/nIOW
Asserted
Pulsewidth
nMEMRD/nIOR or nMEMWR/nIOW
deasserted to SA[19:0] Address valid Hold
time
nDACK Width
Data Setup Time to nIOR High
Data Set Up Time to nIOW High
Data to Float Delay from nIOR High
Data Hold Time from nIOW High
nDACK Set Up to nIOW/nIOR Low
nDACK Hold after nIOW/nIOR High
TC Pulse Width
AEN Set Up to nIOR/nIOW
AEN Hold from nDACK
nMEMRD/nIOR or nMEMWR/nIOW
asserted to Data valid
nMEMRD/nIOR or nMEMWR/nIOW
Table 92 - DMA Timing (Burst Transfer Mode) Parameters
FIGURE 14 - DMA TIMING (BURST TRANSFER MODE)
DESCRIPTION
t1
t14
t11
Page 59
DATA VALID
t4
22.5
22.5
MIN
100
150
65
30
50
40
25
25
60
40
10
t16
0
t2
t8
t7
DATA VALID
TYP
t13
t12
t3
t10
t9
MAX
t15
50
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Rev. 01/03/2001