LPC47M112-MC View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

MFG CO.

LPC47M112-MC

Enhanced Super I/O Controller with LPC Interface / Dual Game Port Interface

SMSC -> Microchip 

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Enhanced Super I/O Controller with LPC Interface

Datasheet

Drive Rate Table (Recommended) 00 = 360K, 1.2M, 720K, 1.44M and 2.88M Vertical Format

01 = 3-Mode Drive

10 = 2 Meg Tape

Note 1: The DRATE and DENSEL values are mapped onto the DRVDEN pins.

DT1 DT0

0

0

1

0

0

1

1

1

Table 9 - DRVDEN Mapping

DRVDEN1 (1)

DRATE0

DRATE0

DRATE0

DRATE1

DRVDEN0 (1)

DENSEL

DRATE1

nDENSEL

DRATE0

DRIVE TYPE

4/2/1 MB 3.5"

2/1 MB 5.25" FDDS

2/1.6/1 MB 3.5" (3-MODE)

PS/2

Table 10 - Default Precompensation Delays

DATA RATE

2 Mbps

1 Mbps

500 Kbps

300 Kbps

250 Kbps

PRECOMPENSATION

DELAYS

20.8 ns

41.67 ns

125 ns

125 ns

125 ns

SMSC DS – LPC47M112

Page 32

DATASHEET

Rev. 02-16-07

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