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USB97C100QFP 数据表(PDF) 61 Page - SMSC Corporation

部件名 USB97C100QFP
功能描述  Multi-Endpoint USB Peripheral Controller
PDF  64 Pages
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制造商  SMSC [SMSC Corporation]
网页  http://www.smsc.com
标志 SMSC - SMSC Corporation

USB97C100QFP 数据表(HTML) 61 Page - SMSC Corporation

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SMSC DS – USB97C100
Page 61
Rev. 01/03/2001
FIGURE 16 - 8051 FLASH MEMORY READ TIMING
Table 94 - 8051 Flash Memory Read Timing Parameters
PARAMETER
MIN
TYP
MAX
OSCILLATOR
EQUATION
UNITS
t1
SA[19:0] Valid to nMEMRD asserted
107
4t-60
ns
t2
nMEMRD active pulse width
150
6t-100
ns
t3
nMEMRD deasserted to SA[19:0]
Invalid
21.66
t-20
ns
t4
nMEMRD asserted to Data Valid
0
ns
t7
SD[7:0] data Hold from nMEMRD
deasserted
0ns
t8
nMEMRD deasserted to SD[7:0]
data tri-state
64
2t-20
ns
t11
FALE deasserted to nMEMRD
asserted
84
165
3t +/- 40
ns
Note:
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.
t3
t1
t2
t4
t7
DATA VALID
FALE
SA[19:0]
nMEMRD
SD[7:0]
t8
t10
t11



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