FDC37B77x

" 5 Volt Operation
" PC98/99 and ACPI 1.0 Compliant
" ISA Plug-and-Play Compatible Register Set
" Intelligent Auto Power Management  -  Shadowed Write-Only Registers  -  Programmable Wake-up Event  Interface

" System Management Interrupt, Watchdog Timer
" 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 One Floppy Drive   -  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 Eight 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 -  8042 P12 and P16 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

" Infrared Port -  Multiprotocol Infrared Interface  -  32-Byte Data FIFO  -  IrDA 1.0 Compliant - Consumer IR -  SHARP ASK IR

The FDC37B77x with advanced Consumer IR and IrDA v1.0 support incorporates a keyboard interface, SMSC's true CMOS 765B floppy disk controller, advanced digital data separator, two
16C550A compatible UARTs, one Multi-Mode parallel port which includes ChiProtect circuitry plus EPP and ECP, on-chip 12 mA AT bus drivers, one floppy direct drive support, and Intelligent Power Management including PME support. The true CMOS 765B core provides 100% compatibility with IBM PC/XT and PC/AT architectures in addition to providing data overflow and underflow protection.  The SMSC advanced digital data separator incorporates SMSC's patented data separator technology, allowing for ease of testing and use.  Both on-chip UARTs are compatible with the NS16C550A.  The parallel port is compatible with IBM PC/AT architecture, as well as IEEE 1284 EPP and ECP. The FDC37B77x incorporates sophisticated power controlcircuitry (PCC) which includes support for keyboard, mouse, modem   ring   and  consumer  infrared wake- up events.  The PCC supports multiple low power-down modes.
 
The FDC37B77x supports the ISA Plug-and-Play Standard (Version 1.0a) and provides the recommended functionality to support Windows '95.  The I/O Address, DMA Channel and hardware IRQ of each logical device in the FDC37B77x may be reprogrammed through the internal configuration registers.  There are 480 I/O address location options, a Serialized IRQ
interface, and three DMA channels.
 
The FDC37B77x does not require any external filter components and is therefore easy to use and offers lower system costs and reduced board area.  The FDC37B77x is software and
register compatible with SMSC's proprietary 82077AA core.