LPC47B272-MS SMSC, LPC47B272-MS Datasheet - Page 175

• Manufacturer Part Number: LPC47B272-MS
• Description: IC CTRLR SUPER I/O LPC 100-QFP
• Manufacturer: SMSC

Specifications of LPC47B272-MS

• Controller Type: I/O Controller
• Interface: LPC
• Voltage - Supply: 3.3V
• Current - Supply: 15mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1019

SMSC LPC47B27x
*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 nDS0-1 setup and hold times must be met by software.
NAME
nWDATA
nRDATA
nINDEX
t1
t2
t3
t4
t5
t6
t7
t8
t9
nDS0-1
nSTEP
nDIR
nDIR Set Up to STEP Low
nSTEP Active Time Low
nDIR Hold Time after nSTEP
nSTEP Cycle Time
nDS0-1 Hold Time from nSTEP Low (Note)
nINDEX Pulse Width
nRDATA Active Time Low
nWDATA Write Data Width Low
nDS0-1, Setup Time nDIR Low (Note)
FIGURE 17 – FLOPPY DISK DRIVE TIMING (AT MODE ONLY)
t9
DESCRIPTION
t1
DATASHEET
t6
t7
t8
- 175 -
t2
t4
MIN
0
t3
t5
TYP
132
24
96
20
40
.5
4
2
MAX
Rev. 04-17-07
UNITS
X*
X*
X*
ns
Y*
ns
X*
X*
X*