FDC87W21
Power I/O Controller with Fast Infrared Support
FEATURES
•
•
•
•
5 Volt Operation
Plug & Play 1.0A Compliant
Supports Eight IRQs, Four DMA Channels,
480 Relocatable Addresses
Floppy Disk Controller (FDC)
-
Compatible with IBM PC/AT Disk Drive
Systems
-
Variable Write Precompensation with
Track Selectable Capability
-
DMA Enable Logic
-
Supports Floppy Disk Drives and Tape
Drives
-
Detects All Over-Run and Under-Run
Conditions
-
Data Rate and Drive Control Registers
-
Built-in Address Mark Detection Circuit
to Simplify the Read Electronics
-
IBM PC System Address Decoder
-
24 MHz Crystal Input (48 MHz when for
2 Mbps Fast Tape Drive)
-
FDD Anti-Virus Functions with Software
Write Protect and FDD Write Enable
Signal (Write Data Signal Was Forced
to Be Inactive)
-
Supports up to Four 3.5-Inch or 5.25-
Inch Floppy Disk Drives
-
Completely Compatible with Industry
Standard 82077/ 765A
-
Supports
360K/720K/1.2M/1.44M/2.88M Format;
250 Kbps, 300 Kbps, 500 Kbps, 1
Mbps, 2 Mbps Data Transfer Rate
-
Supports Perpendicular Recording
Format
-
Supports 3-Mode FDD and Win95
Driver
•
16-Byte Data FIFOs
Serial Ports
-
Two High-Speed 16550 Compatible
UARTs with 16-Byte Send/Receive
FIFOs
-
MIDI Compatible
-
Fully Programmable Serial-Interface
Characteristics:
-
5, 6, 7 or 8-Bit Characters
-
Even, Odd or No Parity Bit
Generation/Detection
-
1, 1.5 or 2 Stop Bits Generation
-
Internal Diagnostic Capabilities:
-
Loop-Back Controls For
Communications Link Fault
Isolation
-
Break, Parity, Overrun, Framing
Error Simulation
-
Programmable Baud Generator Allows
Division of 1.8461 MHz and 24 MHz by
1 to (2
16
-1)
-
Maximum Baud Rate Is up to 911.6 (8
times of 115.2 Kbps) for 1.8461 MHz
and 1.5 Mbps for 24 MHz
Infrared
-
Supports IrDA Version 1.0 SIR Protocol
with Maximum Baud Rate up to 115.2
Kbps
-
Supports SHARP ASK-IR Protocol with
Maximum Baud Rate up to 57600 bps
-
Supports IrDA Version 1.1 MIR (1.152
Mbps) and FIR (4 Mbps) Protocol
-
Two DMA Channel for Transmitter
and Receiver
-
32-Byte FIFO is Supported in the
TX/RX Terminal
-
•
SMSC [ SMSC CORPORATION ]
