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SC1100 Datasheet(PDF) 65 Page - National Semiconductor (TI) |
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SC1100 Datasheet(HTML) 65 Page - National Semiconductor (TI) |
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65 / 348 page ![]() Revision 1.1 65 www.national.com 4.0 SuperI/O Module The SuperI/O (SIO) module is a member of National Semi- conductor’s SuperI/O family of integrated PC peripherals. It is a PC98 and ACPI compliant SIO that offers a single-cell solution to the most commonly used ISA peripherals. The SIO module incorporates: one Serial Port, an Infrared Communication Port that supports FIR, MIR, HP-SIR, Sharp-IR, and Consumer Electronics-IR, two ACCESS.bus Interface (ACB) ports, System Wakeup Control (SWC), and a Real-Time Clock (RTC) that provides RTC timekeeping. Outstanding Features • Full compatibility with ACPI Revision 1.0 requirements. • System Wakeup Control powered by VSB, generates power-up request and a PME (power management event) in response to a pre-programmed CEIR, or a RI# (serial port ring indicate) event. • Advanced RTC, Y2K compliant. Figure 4-1. SIO Block Diagram Wakeup Events Host Interface ISA Interface AB2D PWUREQ IR Comunication Infrared Interface Serial Port Serial Interface VSB VBAT Port System Wakeup Control Real-Time Clock AB2C ACCESS.bus 2 AB1D AB1C ACCESS.bus 1 |
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