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LPC47N252-SG Datasheet

  • LPC47N252-SG

  • Advanced Notebook I/O Controller with On-Board FLASH

  • 48.38KB

  • 4頁(yè)

  • SMSC   SMSC

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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
鈭?/div>
Serial IRQ Interface Compatible with
Serialized IRQ Support for PCI Systems
鈭?/div>
15 Direct IRQs
鈭?/div>
Four 8-Bit DMA Channels
鈭?/div>
ACPI SCI Interface
鈭?/div>
nSMI
鈭?/div>
Shadowed write only registers
Internal 64K Flash ROM
鈭?/div>
Programmed From Direct Parallel Interface,
8051, or LPC Host
鈭?/div>
2k-Byte Lockable Boot Block
鈭?/div>
Can be Programmed Without 8051
Intervention
Three Power Planes
鈭?/div>
Low Standby Current in Sleep Mode
鈭?/div>
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
鈭?/div>
Provides System Power Management
鈭?/div>
System Watch Dog Timer (WDT)
鈭?/div>
8042 Style Host Interface
鈭?/div>
Supports Interrupt and Polling Access
鈭?/div>
256 Bytes Data RAM
鈭?/div>
On-Chip Memory-Mapped Control Registers
鈭?/div>
Access to RTC and CMOS Registers
鈭?/div>
Up to 16x8 Keyboard Scan Matrix
鈭?/div>
Two 16 Bit Timer/Counters
鈭?/div>
Integrated Full-Duplex Serial Port Interface
鈭?/div>
Eleven 8051 Interrupt Sources
鈭?/div>
Thirty-Two 8-Bit, Host/8051 Mailbox
Registers
鈭?/div>
Thirty-six Maskable Hardware Wake-Up
Events
鈭?/div>
Fast GATEA20
鈭?/div>
鈭?/div>
Fast CPU_RESET
Multiple Clock Sources and Operating
Frequencies
鈭?/div>
IDLE and SLEEP Modes
鈭?/div>
Fail-Safe Ring Oscillator
Advanced Infrared Communications Controller
(IrCC 2.0)
鈭?/div>
IrDA V1.2 (4Mbps), HPSIR, ASKIR,
Consumer IR Support
鈭?/div>
Two IR Ports
鈭?/div>
Relocatable Base I/O Address
Real-Time Clock
鈭?/div>
MC146818 and DS1287 Compatible
鈭?/div>
256 Bytes of Battery Backed CMOS in Two
128-Byte Banks
鈭?/div>
128 Bytes of CMOS RAM Lockable in 4x32
Byte Blocks
鈭?/div>
12 and 24 Hour Time Format
鈭?/div>
Binary and BCD Format
鈭?/div>
<2碌A(chǔ) Standby Current (typ)
Two 8584-Style ACCESS.Bus Controllers
鈭?/div>
8051 Controlled Logic Allows ACCESS.Bus
Master or Slave Operation
鈭?/div>
ACCESS.Bus Controllers are Fully
Operational on Standby Power
鈭?/div>
2 Sets of Dedicated Pins per ACCESS.Bus
Controller
Four independent Hardware Driven PS/2 Ports
83 General Purpose I/O Pins
鈭?/div>
36 Maskable Hardware Wake-Event
Capable
鈭?/div>
18 Programmable Open-Drain/Push-Pull
Outputs
鈭?/div>
16 Mapped into 8051 SFR Space
鈭?/div>
24 LPC/8051-Addressable
Three Programmable Pulse-Width Modulator
Outputs
鈭?/div>
Independent Clock Rates
鈭?/div>
6 Bit Duty Cycle Granularity
鈭?/div>
VCC1 and VCC2 operation mode
Dual Fan Tachometer Inputs
SMSC DB 鈥?LPC47N252
Rev. 10/27/2000

LPC47N252-SG 產(chǎn)品屬性

  • SMSC

  • 輸入/輸出控制器接口集成電路

  • Floppy Disc Controller

  • 3.3 V

  • + 70 C

  • 0 C

  • SMD/SMT

  • STQFP-100

  • 2

  • 1260

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