USB97C100 Standard Microsystems Corporation, USB97C100 Datasheet - Page 58

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

SMSC DS – USB97C100
NAME
CLOCKI
nMEMRD/nIOR
nMEMWR/nIOW
t10
t11
t12
t13
t14
t15
t16
t1
t2
t3
t4
t7
t8
t9
NAME
t
r
t1
t2
, t
or
SA[19:0]
nDACK
DATA
SD[7:0]
f
AEN
SA[19:0] Address Setup time to nMEMRD/nIOR or
nMEMWR/nIOW
Asserted
nMEMRD/nIOR or nMEMWR/nIOW
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
TC
Clock Cycle Time for 24 MHz
Clock High Time/Low Time for 14.318 MHz
Clock Rise Time/Fall Time (not shown)
Table 91 - DMA Timing (Single Transfer Mode) Parameters
FIGURE 13 - DMA TIMING (SINGLE TRANSFER MODE)
DESCRIPTION
Table 90 - Input Clock Timing Parameters
DESCRIPTION
FIGURE 12 - INPUT CLOCK TIMING
t14
t1
t2
t11
t1
Page 58
t16
t2
t13
DATA VALID
t4
t2
25/16.7
t8
MIN
t7
22.5
22.5
MIN
100
150
65
30
50
40
25
10
60
40
10
t12
0
41.67
TYP
t3
t10
t9
TYP
t15
16.7/25
MAX
5
MAX
50
UNITS
ns
ns
ns
UNITS
Rev. 01/03/2001
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns