LPC47M172-NR SMSC [SMSC Corporation], LPC47M172-NR Datasheet - Page 208
LPC47M172-NR
Manufacturer Part Number
LPC47M172-NR
Description
ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LPC47M172-NR.pdf
(227 pages)
- Current page: 208 of 227
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Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
Notes:
SMSC/Non-SMSC Register Sets (Rev. 02-27-04)
*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)
The DS0 setup and hold time must be met by software.
nWDATA
nRDATA
nINDEX
nDS0
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 nSTEP
nSTEP Cycle Time
nDS0 Hold Time from nSTEP Low (Note)
nINDEX Pulse Width
nRDATA Active Time Low
nWDATA Write Data Width Low
nDS0 Setup Time nDIR Low (Note)
t9
Figure 13.12 - Floppy Disk Drive Timing (At Mode Only)
t1
DESCRIPTION
DATASHEET
t6
t7
t8
t2
Page 208
t4
MIN
0
t3
t5
TYP
132
24
96
20
40
.5
4
2
MAX
UNITS
SMSC LPC47M172
X*
X*
X*
X*
ns
Y*
ns
X*
X*
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