LPC47B37X Datasheet, PDF (1/254 Pages) SMSC Corporation – 100 Pin Enhanced Super I/O for LPC Bus with SMBus Controller for Commercial Applications

LPC47B37x
100 Pin Enhanced Super I/O for LPC Bus with
SMBus Controller for Commercial Applications
FEATURES
• 3.3 Volt Operation (5V Tolerant)
• Floppy Disk Controller (Supports 2 FDCs)
• Multi-Mode Parallel Port
• Two UARTs
• 8042 Keyboard Controller
• SMBus Controller
• Programmable Wakeup Event Interface
(nIO_PME Pin)
• SMI Support (nIO_SMI Pin)
• GPIOs (39)
• Fan Speed Control Output
• Fan Tachometer Input
• ISA IRQ to Serial IRQ Conversion
• XNOR Chain
• PC99 and ACPI 1.0 Compliant
• ISA Plug-and-Play Compatible Register Set
• Intelligent Auto Power Management
• 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
- 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 3 DMA
Options
• 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 NS16C550 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
- IrDA 1.0, HP-SIR, ASK IR Support