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FDC37C93X - Plug and Play Compatible Ultra I/O Controller

General Description

PIN CONFIGURATION4 DESCRIPTION OF PIN FUNCTIONS 5 FUNCTIONAL DESCRIPTION 11 SUPER I/O REGISTERS 11 HOST PROCESSOR INTERFACE11 FLOPPY DISK CONTROLLER 12 FDC INTERNAL REGISTERS12 COMMAND SET/DESCRIPTIONS 36 INSTRUCTION SET 40 SERIAL PORT (UART) 66 INFRARED INTERFACE80 PARALLEL PORT81 IBM XT/AT COMPAT

Key Features

  • 5 Volt Operation ISA Plug-and-Play Standard (Version 1.0a) Compatible Register Set 8042 Keyboard Controller - 2K Program ROM - 256 Bytes Data RAM - Asynchronous Access to Two Data Registers and One Status Register - Supports Interrupt and Polling Access - 8 Bit Timer/Counter Real Time Clock - MC146818 and DS1287 Compatible - 256 Bytes of Battery Backed CMOS in Two Banks of 128 Bytes - 128 Bytes of CMOS RAM Lockable in 4x32 Byte Blocks - 12 and 24 Hour Time Format -.

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Full PDF Text Transcription (Reference)

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FDC37C93x Plug and Play Compatible Ultra I/O™ Controller FEATURES • • • 5 Volt Operation ISA Plug-and-Play Standard (Version 1.0a) Compatible Register Set 8042 Keyboard Controller - 2K Program ROM - 256 Bytes Data RAM - Asynchronous Access to Two Data Registers and One Status Register - Supports Interrupt and Polling Access - 8 Bit Timer/Counter Real Time Clock - MC146818 and DS1287 Compatible - 256 Bytes of Battery Backed CMOS in Two Banks of 128 Bytes - 128 Bytes of CMOS RAM Lockable in 4x32 Byte Blocks - 12 and 24 Hour Time Format - Binary and BCD Format - 1µa Standby Current (typ) Intelligent Auto Power Management 2.