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PC87372

Features: ` Legacy modules: Parallel Port, Floppy Disk Controller (FDC), Serial Port and a Keyboard and Mouse Controller (KBC)` Glue functions to complement the South Bridge functionality` Fan Speed monitoring of two fans` VSB3-powered Power Management with 20 wake-up sources` Controls three LED i...

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SeekIC No. : 004456147 Detail

PC87372: Features: ` Legacy modules: Parallel Port, Floppy Disk Controller (FDC), Serial Port and a Keyboard and Mouse Controller (KBC)` Glue functions to complement the South Bridge functionality` Fan Speed...

PC87372 Data Sheet

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Part Number:
PC87372
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` Legacy modules: Parallel Port, Floppy Disk Controller (FDC), Serial Port and a Keyboard and Mouse Controller (KBC)
` Glue functions to complement the South Bridge functionality
` Fan Speed monitoring of two fans
` VSB3-powered Power Management with 20 wake-up sources
` Controls three LED indicators
` 13 GPIO ports with a variety of wake-up options
` LPC interface, based on Intel's LPC Interface Specification Revision 1.0, September 29th, 1997
` PC01 Revision 1.0 and Advanced Configuration and Power Interface (ACPI) Specification Revision 2.0 compliant
` 128-pin PQFP package


Pinout

Connection Diagram


Specifications

Symbol
Paramete
Conditions
Min
Max
Unit
VSUP
Supply Voltage1
−0.5
+4.1
V
VI
Input Voltage
All other pins
−0.5
5.5
V
PCI_CLK, LAD3-0, LFRAME,
PCI_RESET, SERIRQ,  LPCPD
−0.5
VDD3 + 0.5
V
VO
Output Voltage
All other pins
−0.5
5.5
V
LAD3-0,  LDRQ , SERIRQ
−0.5
VDD3 + 0.5
V
TSTG
Storage Temperature
−65
+165
°C
PD
Power Dissipation
1
W
TL
Lead Temperature Soldering (10 s)
+260
°C
ESD Tolerance
CZAP = 100 pF RZAP = 1.5 K2
2000
V
1. VSUP is VDD3, VSB3.
2. Value based on test complying with RAI-5-048-RA human body model ESD testing.


Description

The National Semiconductor® PC87372 Advanced I/O product is a member of the PC8737x SuperI/O family. All PC8737x devices are highly integrated and are pin and software compatible, thus providing drop-in interchangeability and enabling a variety of assembly options using only a single motherboard and BIOS. PC87372 integration allows for a smaller system board size and saves on total system cost.

The PC87372 includes legacy SuperI/O functions, system glue functions, fan monitoring and control, commonly used functions such as GPIO, and ACPI-compliant Power Management support.

The PC87372 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 PC87372 device through an LPC Bus Interface.

The PC87372 Legacy functions are: a serial port (UART), a fully compliant IEEE 1284 Parallel Port, a Floppy Disk Controller (FDC) and a Keyboard/Mouse Controller (KBC). The Fan Speed Monitor (FSM) module allows the system to monitor two fans.

The PC87372 extended wake-up support complements the ACPI controller in the chipset. The System Wake-Up Control (SWC) module, powered by VSB3, supports a flexible wakeup mechanism. There are 13 General-Purpose Input/Output (GPIO) ports; these allow system control and wake-up on system events.




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