PDF LPC47N252-SG Data sheet ( Hoja de datos )

Número de pieza	LPC47N252-SG
Descripción	Advanced Notebook I/O Controller with On-Board FLASH
Fabricantes	SMSC Corporation
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No Preview Available ! LPC47N252 ADVANCE INFORMATION Advanced Notebook I/O Controller with On-Board FLASH FEATURES 3.3V Operation with 5V Tolerant Buffers ACPI 1.1, PC99/PC2001 Compliant LPC Interface with Clock Run Support − Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems − 15 Direct IRQs − Four 8-Bit DMA Channels − ACPI SCI Interface − nSMI − Shadowed write only registers Internal 64K Flash ROM − Programmed From Direct Parallel Interface, 8051, or LPC Host − 2k-Byte Lockable Boot Block − Can be Programmed Without 8051 Intervention Three Power Planes − Low Standby Current in Sleep Mode − Intelligent Auto Power Management for Super I/O ACPI Embedded Controller Interface Configuration Register Set Compatible with ISA Plug-and-Play Standard (Version 1.0a) High-Performance Embedded 8051 Keyboard and System Controller − Provides System Power Management − System Watch Dog Timer (WDT) − 8042 Style Host Interface − Supports Interrupt and Polling Access − 256 Bytes Data RAM − On-Chip Memory-Mapped Control Registers − Access to RTC and CMOS Registers − Up to 16x8 Keyboard Scan Matrix − Two 16 Bit Timer/Counters − Integrated Full-Duplex Serial Port Interface − Eleven 8051 Interrupt Sources − Thirty-Two 8-Bit, Host/8051 Mailbox Registers − Thirty-six Maskable Hardware Wake-Up Events − Fast GATEA20 − Fast CPU_RESET − Multiple Clock Sources and Operating Frequencies − IDLE and SLEEP Modes − Fail-Safe Ring Oscillator Advanced Infrared Communications Controller (IrCC 2.0) − IrDA V1.2 (4Mbps), HPSIR, ASKIR, Consumer IR Support − Two IR Ports − Relocatable Base I/O Address Real-Time Clock − MC146818 and DS1287 Compatible − 256 Bytes of Battery Backed CMOS in Two 128-Byte Banks − 128 Bytes of CMOS RAM Lockable in 4x32 Byte Blocks − 12 and 24 Hour Time Format − Binary and BCD Format − <2µA Standby Current (typ) Two 8584-Style ACCESS.Bus Controllers − 8051 Controlled Logic Allows ACCESS.Bus Master or Slave Operation − ACCESS.Bus Controllers are Fully Operational on Standby Power − 2 Sets of Dedicated Pins per ACCESS.Bus Controller Four independent Hardware Driven PS/2 Ports 83 General Purpose I/O Pins − 36 Maskable Hardware Wake-Event Capable − 18 Programmable Open-Drain/Push-Pull Outputs − 16 Mapped into 8051 SFR Space − 24 LPC/8051-Addressable Three Programmable Pulse-Width Modulator Outputs − Independent Clock Rates − 6 Bit Duty Cycle Granularity − VCC1 and VCC2 operation mode Dual Fan Tachometer Inputs SMSC DB – LPC47N252 Rev. 10/27/2000 1 page

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Hoja de datos destacado

Número de pieza	Descripción	Fabricantes
LPC47N252-SD	Advanced Notebook I/O Controller with On-Board FLASH	SMSC Corporation
LPC47N252-SD	Advanced Notebook I/O Controller with On-Board FLASH	SMSC Corporation
LPC47N252-SG	Advanced Notebook I/O Controller with On-Board FLASH	SMSC Corporation
LPC47N252-SG	Advanced Notebook I/O Controller with On-Board FLASH	SMSC Corporation

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