LPC47M182 SMSC Corporation, LPC47M182 Datasheet - Page 204

• Manufacturer Part Number: LPC47M182
• Description: ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
• Manufacturer: SMSC Corporation

Note: The DS0 setup and hold time must be met by software.
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
MCLK = 16 x Data Rate (at 500 kb/s MCLK = 8 MHz)
WCLK = 2 x Data Rate (at 500 kb/s WCLK = 1 MHz)
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)
*X specifies one MCLK period and Y specifies one WCLK period.
t1
DESCRIPTION
DATASHEET
t6
t7
t8
t2
204
t4
MIN
Advanced I/O Controller with Motherboard GLUE Logic
0
t3
t5
TYP
132
24
96
20
40
.5
4
2
MAX
UNITS
SMSC LPC47M182
X*
X*
X*
X*
X*
X*
ns
Y*
ns
Datasheet