Product Summary
The PC87351-IBW/VLA, a member of National Super I/O family of integrated PC peripherals, is a 128-pin,PC98 and ACPI compliant SuperI/O that offers a single-chip solution to the most commonly used ISA peripherals. The PC87351-IBW/VLA incorporates: a Floppy Disk Controller (FDC) which is available also on the Parallel Port pins as a multiplexed option (PPM), two enhanced Serial Ports, Infrared Comunication Port (HP-SIR, Sharp-IR, and Consumer Electronics-IR), a full IEEE 1284 Parallel Port, a Keyboard and Mouse Controller (KBC), System Wake-Up Control (SWC), General-Purpose Input/Output (GPIO) Ports with assert interrupt capability, and Fan Speed Control (FSC).
Parametrics
PC87351-IBW/VLA absolute maximum ratings: (1)Supply Voltage :-0.5 to TBD V; (2)Input Voltage:-0.5 to VDD + 0.5 V; (3)Output Voltage :-0.5 to VDD + 0.5 V; (4)Storage Temperature :-65 +165 °C; (5)PD Power Dissipation: 1 W; (6)Lead Temperature Soldering (10 sec) :+260 °C; (7)ESD Tolerance:2000 V.
Features
PC87351-IBW/VLA features: (1)Fan Speed Control for two fans; (2)11 General-Purpose I/O Ports, bi-directional, with interrupt assertion capability; (3)System Wake-Up Control powered by VSB, generates power-up request in response to preprogrammed keyboard or mouse sequence, modem, telephone ring, and two general-purpose events without an external clock; (4)Serial or parallel IRQ support; (5)Programmable write protect for Floppy Disk Controller; (6)Power-fail recovery support.
Diagrams
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