2.88MB Super I/O Floppy Disk Controller
−
Relocatable to 480 Different Base I/O
Addresses
−
15 IRQ Options
−
4 DMA Options
−
Open-Drain/Push-Pull Configurable Output
Drivers
−
Licensed CMOS 765B Floppy Disk
Controller
−
Advanced Digital Data Separator
−
Software and Register Compatible with
SMSC's Proprietary 82077AA Compatible
Core
−
Low Power CMOS Design with Sophisticated
Power Control Circuitry (PCC) Including
Multiple Powerdown Modes for Reduced
Power Consumption
−
Supports Two Floppy Drives on the FDD
Interface and Two Floppy Drives on the
Parallel Port Interface
−
12 mA FDD Interface Cable Drivers with
Schmitt Trigger Inputs
Licensed CMOS 765B Floppy Disk Controller
Core
−
Supports Vertical Recording Format
−
16-Byte Data FIFO
−
100% IBM Compatibility
−
Detects All Overrun and Underrun
Conditions
−
12 mA Drivers and Schmitt Trigger Inputs
−
DMA Enable Logic
−
Data Rate and Drive Control Registers
Enhanced Digital Data Separator
−
Low Cost Implementation
−
−
No Filter Components Required
2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250
Kbps Data Rates
−
Programmable Precompensation Modes
Multi-Mode Parallel Port with ChiProtect
−
Standard Mode IBM PC/XT, PC/AT, and
PS/2 Compatible Bi-directional Parallel Port
−
Enhanced Parallel Port EPP 1.7 and EPP
1.9 Compatible (IEEE 1284 Compliant)
−
IEEE 1284 Compliant Enhanced Capabilities
Port (ECP)
−
ChiProtect Circuitry to Prevent Printer
Power-On Damage
−
Relocatable to 480 Different Base I/O
Addresses
−
15 IRQ Options
−
4 DMA Options
−
Microsoft and HP compatible High Speed
Mode
−
Floppy Disk Interface on Parallel Port
−
8051-Controlled Parallel Port Mode
Serial Port
−
High-Speed NS16550A-Compatible UART
with 16-Byte Send/Receive FIFOs
−
Programmable Baud Rate Generator
−
Modem Control Circuitry Including 230k and
460k Baud
−
Relocatable to 480 Different Base I/O
Addresses
−
15 IRQ Options
208 Pin TQFP and FBGA Package Options
ORDERING INFORMATION
Order Numbers:
LPC47N252-SG for 208 Pin FBGA Package
LPC47N252-SD for 208 Pin TQFP Package
SMSC DB – LPC47N252
Page 2
Rev. 10/27/2000
SMSC [ SMSC CORPORATION ]
