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PC87373 数据表(PDF) 1 Page - National Semiconductor (TI) |
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PC87373 数据表(HTML) 1 Page - National Semiconductor (TI) |
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1 / 174 page  www.national.com Preliminary October 2002 Revision 1.1 PC87373 LPC SuperI/O with Glue Functions General Description The National Semiconductor® PC87373 Advanced I/O prod- uct is a member of the PC8737x SuperI/O family. All PC8737x devices are highly integrated and are pin and soft- ware compatible, thus providing drop-in interchangeability and enabling a variety of assembly options using only a sin- gle motherboard and BIOS. PC87373 integration allows for a smaller system board size and saves on total system cost. The PC87373 includes legacy SuperI/O functions, system glue functions, fan monitoring and control, commonly used functions such as GPIO, and ACPI-compliant Power Man- agement support. The PC87373 integrates miscellaneous analog and digital system glue functions to reduce the number of discrete components required. The host communicates with the functions integrated in the PC87373 device through an LPC Bus Interface. The PC87373 Legacy functions are: two serial ports, a fully compliant IEEE 1284 Parallel Port, a Floppy Disk Controller (FDC), a Keyboard/Mouse Controller (KBC), a Game Port and a MIDI Port. The Fan Speed Control and Monitor (FSCM) module allows the system to monitor and control three fans. The PC87373 extended wake-up support complements the ACPI controller in the chipset. The System Wake-Up Control (SWC) module, powered by VSB3, supports a flexible wake- up mechanism. There are 13 General-Purpose Input/Output (GPIO) ports; these allow system control and wake-up on system events. Outstanding Features s Legacy modules: Parallel Port, Floppy Disk Controller (FDC), two Serial Ports, Keyboard and Mouse Control- ler (KBC), Game Port and MIDI Port s Glue functions to complement the South Bridge func- tionality s Fan Speed monitoring and control of three fans s VSB3-powered Power Management with 20 wake-up sources s Controls three LED indicators s 13 GPIO ports with a variety of wake-up options s LPC interface, based on Intel’s LPC Interface Specifica- tion Revision 1.0, September 29th, 1997 s PC01 Revision 1.0 and Advanced Configuration and Pow- er Interface (ACPI) Specification Revision 2.0 compliant s 128-pin PQFP package Block Diagram VDD3 I/O GPIO Ports Fan Speed Control System PME Ports VSB3 PnP Configuration Wake-Up Events 14.31818 MHz National Semiconductor is a registered trademark of National Semiconductor Corporation. All other brand or product names are trademarks or registered trade- marks of their respective holders. Inputs Tachometer 48 MHz Glue Miscellaneous I/O Registers Clock Generator Monitor Functions Control and Outputs PWM LEDs VBAT Wake-Up 32.768 KHz Drive Interface LPC Bus Interface LPC Interface Serial IRQ KBC Interfaces PS/2 Internal Bus & Mouse Keyboard Controller Disk Floppy Controller Floppy Port Interface Parallel IEEE 1284 Port Parallel Serial Interface Serial Port 1 Joystick Interface Game Port MIDI Interface MIDI Port Ports Serial Interface Serial Port 2 © 2002 National Semiconductor Corporation |
类似零件编号 - PC87373 |
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类似说明 - PC87373 |
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