100 Pin Super I/O with LPC Interface for Notebook Applications

Rev. 03-29-07

Page 2

SMSC DB – LPC47N227

PRODUCT PREVIEW

separator technology allowing for ease of testing and use. The LPC47N227 supports both 1Mbps and 2Mbps data

rates and vertical recording operation at 1Mbps Data Rate.

The LPC47N227 also features a full 16-bit internally decoded address bus, a Serial IRQ interface with PCI nCLKRUN

support, relocatable configuration ports and three DMA channel options. Both on-chip UARTs are compatible with the

NS16C550. One UART includes additional support for a Serial Infrared Interface that complies with IrDA v1.2 (Fast

IR), HPSIR, and ASKIR formats (used by Sharp and other PDAs), as well as Consumer IR.

The parallel port is compatible with IBM PC/AT architectures, as well as IEEE 1284 EPP and ECP. The parallel port

ChiProtect circuitry prevents damage caused by an attached powered printer when the LPC47N227 is not powered.

The LPC47N227 incorporates sophisticated power control circuitry (PCC). The PCC supports multiple low power

down modes.

The LPC47N227 also features Software Configurable Logic (SCL) for ease of use.

SCL allows

programmable system configuration of key functions such as the FDC, parallel port, and UARTs.

The LPC47N227 supports the ISA Plug-and-Play Standard (Version 1.0a) and provides the recommended

functionaity to support Windows ‘95/’98 and PC99. The I/O Address, DMA Channel and Hardware IRQ of each

device in the LPC47N227 may be reprogrammed through the internal configuration registers. There are 192 I/O

address location options, a Serialized IRQ interface, and three DMA channels.

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Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete

information sufficient for construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no

responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to specifications and product descriptions at any time without

notice. Contact your local SMSC sales office to obtain the latest specifications before placing your product order. The provision of this information does

not convey to the purchaser of the described semiconductor devices any licenses under any patent rights or other intellectual property rights of SMSC

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Terms of Sale Agreement dated before the date of your order (the "Terms of Sale Agreement"). The product may contain design defects or errors

known as anomalies which may cause the product's functions to deviate from published specifications. Anomaly sheets are available upon request.

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ORDERING INFORMATION

Order Numbers:

LPC47N227-MT for 100 Pin TQN, Lead-free RoHS Compliant Package

LPC47N227-MV for 100 Pin STQN, Lead-free RoHS Compliant Package