LPC47M172-NR

Product Summary

The LPC47M172-NR is an Advanced I/O Controller with Motherboard GLUE Logic. The LPC47M172-NR includes complete legacy I/O: a keyboard interface with AMITM BIOS; true CMOS 765B floppy disk controller with advanced digital data separator; two 16C550A compatible UARTs; one Multi-Mode parallel port including ChiProtect circuitry plus EPP and ECP. The true CMOS 765B core of the LPC47M172-NR provides 100% compatibility with IBM PC/XT and PC/AT architectures; in addition, it provides data overflow and underflow protection. The patented advanced digital data separator allows for ease of testing and use. The parallel port of the LPC47M172-NR is compatible with IBM PC/AT architecture, as well as IEEE 1284 EPP and ECP. The LPC47M172-NR incorporates sophisticated power control circuitry (PCC) which includes support for keyboard and mouse wake up events as well as PME support. The PCC supports multiple low power-down modes. The LPC47M172-NR is ACPI 1.0b/2.0 compatible.

Parametrics

LPC47M172-NR absolute maximum ratings: (1)Maximum 3.3 Supply: +4.1V; (2)Maximum 5V Supply: +6.0V; (3)Voltage on any 3.3V pin, with respect to Ground: -0.5 to 5.5V; (4)Voltage on any 5V pin, with respect to Ground: -0.5 to 5.5V; (5)Operating Temperature Range: 0 to +70℃; (6)Storage Temperature Range: -55 to +150℃.

Features

LPC47M172-NR features: (1)ACPI 1.0b/2.0 Compliant; (2)Programmable Wake-up Event Interface; (3)PC99a/PC2001 Compliant; (4)General Purpose Input/Output Pins (13); (5)Fan Tachometer Inputs (2); (6)Green and Yellow Power LEDs; (7)ISA Plug-and-Play Compatible Register Set; (8)Motherboard GLUE Logic; (9)8 Bit Microcomputer; (10)2k Bytes of Program ROM; (11)256 Bytes of Data RAM; (12)Four Open Drain Outputs Dedicated for Keyboard/Mouse Interface; (13)Asynchronous Access to Two Data Registers and One Status Register; (14)Supports Interrupt and Polling Access; (15)8 Bit Counter Timer; (16)Port 92 Support; (17)Fast Gate A20 and KRESET Outputs.

Diagrams