FDC37C669-MT Microchip

FDC37C669 PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support FEATURES 5 Volt Operation - Alternate IR Pins (Optional) Intelligent Auto Power Management - 96 Base I/O Address and Eight IRQ Options 16 Bit Address Qualification (Optional) Multi-Mode Parallel Port with ChiProtect 2.88MB Super I/O Floppy Disk Controller - Standard Mode - Licensed CMOS 765B Floppy Disk Controller - IBM PC/XT, PC/AT, and PS/2 Compatible - Software and Register Compatible with SMSC s Bidirectional Parallel Port Proprietary 82077AA Compatible Core - Enhanced Parallel Port (EPP) Compatible - Supports Two Floppy Drives Directly - EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant) - Supports Vertical Recording Format - Enhanced Capabilities Port (ECP) Compatible - 16 Byte Data FIFO (IEEE 1284 Compliant) - 100% IBM Compatibility - Incorporates ChiProtect Circuitry for Protection - Detects All Overrun and Underrun Conditions Against Damage Due to Printer Power-On - Sophisticated Power Control Circuitry (PCC) - 192 Base I/O Address, Seven IRQ and Three Including Multiple Powerdown Modes for DMA Options Reduced Power Consumption ISA Host Interface - DMA Enable Logic IDE Interface (Optional) - Data Rate and Drive Control Registers - On-Chip Decode and Select Logic Compatible - Swap Drives A and B with IBM PC/XT and PC/AT Embedded Hard - Non-Burst Mode DMA option Disk Drives - 48 Base I/O Address, Seven IRQ and Three - 48 Base I/O Address and Seven IRQ Options DMA Options Game Port Select Logic Floppy Disk Available on Parallel Port Pins - 48 Base I/O Addresses Enhanced Digital Data Separator General Purpose Address Decoder - 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps - 16 Byte Block decode Data Rates - 48 Base I/O Address Options - Programmable Precompensation Modes 100 Pin QFP and TQFP Packages Lead-Free RoHS Serial Ports Compliant Packages also available - Two High Speed NS16C550 Compatible UARTs with Send/Receive 16 Byte FIFOs - Supports 230k and 460k Baud - Programmable Baud Rate Generator - Modem Control Circuitry - Infrared - IrDA (HPSIR) and Amplitude Shift Keyed IR (ASKIR) ORDER NUMBER(S) FDC37C669QFP for 100 pin, QFP Package FDC37C669-MS for 100 pin, QFP Lead-Free RoHS Compliant Package FDC37C669TQFP for 100 pin, TQFP Package FDC37C669-MT for 100 pin, TQFP Lead-Free RoHS Compliant Package TABLE OF CONTENTS FEATURES.................................................................................................................................................................. 1 GENERAL DESCRIPTION .......................................................................................................................................... 3 PIN CONFIGURATION................................................................................................................................................. 4 DESCRIPTION OF PIN FUNCTIONS........................................................................................................................... 6 FUNCTIONAL DESCRIPTION................................................................................................................................... 17 SUPER I/O REGISTERS .......................................................................................................................................17 HOST PROCESSOR INTERFACE ....................................................................................................................... 17 FLOPPY DISK CONTROLLER ............................................................................................................................. 18 FLOPPY DISK CONTROLLER INTERNAL REGISTERS ......................................................................................18 COMMAND SET/DESCRIPTIONS ............................................................................................................................ 41 INSTRUCTION SET.................................................................................................................................................... 45 PARALLEL PORT FLOPPY DISK CONTROLLER ......................................................................................................71 SERIAL PORT (UART) ............................................................................................................................................... 73 INFRARED INTERFACE .............................................................................................................................................87 PARALLEL PORT...................................................................................................................................................... 88 IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES ........................................................................90 EXTENDED CAPABILITIES PARALLEL PORT.................................................................................................... 96 AUTO POWER MANAGEMENT................................................................................................................................108 INTEGRATED DRIVE ELECTRONICS INTERFACE .............................................................................................. 114 CONFIGURATION.................................................................................................................................................... 118 OPERATIONAL DESCRIPTION ............................................................................................................................... 136 MAXIMUM GUARANTEED RATINGS ................................................................................................................ 136 DC ELECTRICAL CHARACTERISTICS ............................................................................................................ 136 TIMING DIAGRAMS ................................................................................................................................................. 139 ECP PARALLEL PORT TIMING ..........................................................................................................................156 2