LPC47N237-MD中文資料SMSC數(shù)據(jù)手冊PDF規(guī)格書

General Description

The LPC47N237 is a 3.3V (5V Tolerant) PC99a/PC2001 compliant Docking I/O controller. The device, which implements the LPC interface, includes I/O functionality. LPC47N237’s LPC interface supports LPC I/O and DMA cycles. There is also a SMBus hosted GPIO Block.

The LPC47N237 provides 4 LPC general purpose pins which offer flexibility to the system designer. The legacy I/O included in the LPC47N237 are: a 16C550A compatible UART; one Multi-Mode parallel port including ChiProtect circuitry plus EPP and ECP. The parallel port is compatible with IBM PC/AT architecture, as well as IEEE 1284 EPP and ECP. The LPC47N237 incorporates sophisticated power control circuitry (PCC) which includes support for PME. The PCC supports multiple low power-down modes. The LPC47N237 is ACPI 1.0b/2.0 compatible.

Product Features

? 3.3 Volt Operation (5V Tolerant)

? 32 SMBus-Hosted General Purpose Input/Output Pins

? SMBus Slave Controller Enables Read/Write Access to GPIO Ports

? SMBus Runs on and GPIO Pins are Driven by Suspend Supply (VTR)

? SMBus Interrupt Pin

? SMBus Isolation Circuitry

? PC99a/PC2001 Compliant

? ACPI 1.0/2.0 Compliant

? Power Management Interface

? LPC Interface

? Multiplexed Command, Address and Data Bus

? Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems

? nIO_PME pin for UART Ring Indicate

? PCI Clock Run Support

? 4 LPC-Hosted General Purpose Input/Output Pins

? Serial Port

? Full Function Serial Port

? High Speed 16C550A Compatible UART with 16-Byte Send/Receive FIFOs

? Programmable Baud Rate Generator supports 230k and 460k Baud

? Modem Control Circuitry

? 480 Address and 15 IRQ Options

? Ring Indicator Wakeup Event

? Multi-Mode? Parallel Port with ChiProtect?

? Standard Mode IBM PC/XT?, PC/AT?, and PS/2? Compatible Bidirectional Parallel Port

? Enhanced Parallel Port (EPP) Compatible

- EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant)

? IEEE 1284 Compliant Enhanced Capabilities Port (ECP)

? ChiProtect Circuitry for Protection

? 480 Address, Up to 15 IRQ and Three DMA Options

? XNOR-Chain

? 100 pin TQFP lead-free RoHS compliant package