USB97C100 Standard Microsystems Corporation, USB97C100 Datasheet - Page 62

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

Note:
SMSC DS – USB97C100
nMEMWR
SD[7:0]
CLOCKI
SA[19:0]
FALE
t11
Min and Max delays shown for an 8051 clock of 24MHz, to calculate timing delays for other clock
frequencies use the Oscillator Equations, where T=1/Fclk.
t1
t2
t3
t4
t7
t8
t1
SA[19:0] Valid to nMEMWR
asserted
nMEMWR active pulse width
nMEMWR deasserted to
SA[19:0] Invalid
nMEMWR asserted to Data
Valid
SD[7:0] data Hold from
nMEMWR deasserted
nMEMWR deasserted to
SD[7:0] data tri-state
FALE deasserted to nMEMWR
asserted
PARAMETER
RESET_IN active pulse width
Table 95 - 8051 Flash Memory Read Timing Parameters
FIGURE 17 - 8051 FLASH MEMORY WRITE TIMING
t10
PARAMETER
Table 96 - Reset_In Timing Parameters
t1
FIGURE 18 - RESET_IN TIMING
t2
t11
21.66
MIN
107
150
32
85
t1
5
Page 62
t4
TYP
t2
DATA VALID
MIN
t2
50
MAX
165
64
TYP
OSCILLATOR
EQUATION
3t +/- 40
6t-100
t7
4t-60
t-20
t-10
2t
MAX
t8
t3
UNITS
ns
UNITS
ns
ns
ns
ns
ns
ns
ns
Rev. 01/03/2001