LPC47M142-NC Standard Microsystems (SMSC), LPC47M142-NC Datasheet - Page 186
LPC47M142-NC
Manufacturer Part Number
LPC47M142-NC
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LPC47M142-NC.pdf
(205 pages)
Specifications of LPC47M142-NC
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SMSC DS – LPC47M14X
*X specifies one MCLK period and Y specifies one WCLK period.
MCLK = 16 x Data Rate (at 500 kb/s MCLK = 8 MHz)
WCLK = 2 x Data Rate (at 500 kb/s WCLK = 1 MHz)
Note: The DS0 &DS1 setup and hold times must be met by software.
nWDATA
nRDATA
nINDEX
nDS0-1
nSTEP
NAME
nDIR
t1
t2
t3
t4
t5
t6
t7
t8
t9
nDIR Set Up to STEP Low
nSTEP Active Time Low
nDIR Hold Time after STEP#
nSTEP Cycle Time
nDS0 & nDS1 Hold Time from nSTEP Low (Note)
nINDEX Pulse Width
nRDATA Active Time Low
nWDATA Write Data Width Low
nDS0 & nDS1, Setup Time nDIR Low (Note)
FIGURE 27 – FLOPPY DISK DRIVE TIMING (AT MODE ONLY)
t9
t1
DESCRIPTION
t6
t7
t8
t2
Page 186
t4
MIN
0
t3
t5
TYP
132
24
96
20
40
.5
4
2
MAX
UNITS
X*
X*
X*
ns
Y*
ns
X*
X*
X*
Rev. 03/19/2001
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