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LPC47B272 Datasheet, PDF (1/195 Pages) SMSC Corporation – 100 Pin Enhanced Super I/O Controller with LPC Interface | |||
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LPC47B27x
100 Pin Enhanced Super I/O Controller with LPC
Interface
FEATURES
⢠3.3 Volt Operation, 5 Volt Tolerant
⢠LPC Interface
⢠Fan Control
- Fan Speed Control Outputs (2)
- Fan Tachometer Inputs (2)
⢠Programmable Wake-up Event Interface
⢠PC98, PC99, and ACPI 1.0 Compliant
⢠Dual Game Port Interface
⢠MPU-401 MIDI Support
⢠General Purpose Input/Output Pins (37)
⢠ISA IRQ to Serial IRQ Conversion
⢠ISA Plug-and-Play Compatible Register Set
⢠Intelligent Auto Power Management
⢠System Management Interrupt
⢠2.88MB Super I/O Floppy Disk Controller
- Licensed CMOS 765B Floppy Disk
Controller
- Software and Register Compatible
with SMSC's Proprietary 82077AA
Compatible Core
- Supports Two Floppy Drives Directly
- Configurable Open Drain/Push-Pull
Output Drivers
- Supports Vertical Recording Format
- 16-Byte Data FIFO
- 100% IBM® Compatibility
- Detects All Overrun and Underrun
Conditions
- Sophisticated Power Control Circuitry
(PCC) Including Multiple Powerdown
Modes for Reduced Power
Consumption
- DMA Enable Logic
- Data Rate and Drive Control Registers
- 480 Address, Up to 15 IRQ and
Three DMA Options
⢠Floppy Disk Available on Parallel Port Pins
⢠Enhanced Digital Data Separator
- 2 Mbps, 1 Mbps, 500 Kbps, 300
Kbps, 250 Kbps Data Rates
- Programmable Precompensation
Modes
⢠Keyboard Controller
- 8042 Software Compatible
- 8 Bit Microcomputer
- 2k Bytes of Program ROM
- 256 Bytes of Data RAM
- Four Open Drain Outputs Dedicated
for Keyboard/Mouse Interface
- Asynchronous Access to Two Data
Registers and One Status Register
- Supports Interrupt and Polling Access
- 8 Bit Counter Timer
- Port 92 Support
- Fast Gate A20 and KRESET Outputs
⢠Serial Ports
- Two Full Function Serial Ports
- High Speed NS16C550A Compatible
UARTs with Send/Receive 16-Byte
FIFOs
- Supports 230k and 460k Baud
Programmable Baud Rate Generator
Modem Control Circuitry
- 480 Address and 15 IRQ Options
⢠Infrared Port
- Multiprotocol Infrared Interface
- 32-Byte Data FIFO
- IrDA 1.0 Compliant
- Consumer IR
- SHARP ASK IR
- 480 Address, Up to 15 IRQ and Three
DMA Options
⢠Multi-Mode⢠Parallel Port with ChiProtectâ¢
- Standard Mode IBM PC/XT®, PC/AT®,
and PS/2⢠Compatible Bidirectional
Parallel Port
- Enhanced Parallel Port (EPP)
Compatible - EPP 1.7 and EPP 1.9
(IEEE 1284 Compliant)
- IEEE 1284 Compliant Enhanced
Capabilities Port (ECP)
- ChiProtect Circuitry for Protection
- 960 Address, Up to 15 IRQ and Three
DMA Options
⢠LPC Interface
- Multiplexed Command, Address and
Data Bus
- Serial IRQ Interface Compatible with
Serialized IRQ Support for PCI Systems
- PME Interface
⢠100 Pin QFP Lead-Free RoHS Compliant
Package
SMSC LPC47B27x
DATASHEET
Rev. 04-17-07
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