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FDC37N958FRTQFP Datasheet

  • FDC37N958FRTQFP

  • Notebook I/O Controller with Enhanced Keyboard and System Co...

  • 316頁

  • ETC

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FDC37N958FR
Notebook I/O Controller with Enhanced Keyboard
and System Control
FEATURES
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5 Volt Operation
ACPI 1.0 Compliant
PC 99 Compliant
Three Power Planes
<20"A Consumption in Sleep Mode
Configuration Register Set Compatible with
ISA Plug-and-Play Standard (Version 1.0a)
Serial IRQ meets IRQ Specification for PCI
Systems
- Quiet (Active) Mode
- Continuous (Idle) Mode
8051 Controller uses Parallel Port to
Reprogram the Flash ROM
IR Interface Fully Compliant to IrDA 1.1
(Fast IR)
- TEMIC/IBM Module Support
- HP Module Support
- Sharp Module Support
ISA Host Interface
- 16 Bit Address Qualification
- 8 Bit Data bus
- Zero Wait-State I/O Register Access
- All Write Only Registers are Shadowed
- IOCHRDY for ECP and Flash Cycles
- 8 Direct IRQs Including nSMI
- Four 8 Bit DMA Channels
System Flash Interface (256Kx8)
- 8051/Host CPU Multiplexed Interface
- Eight 32K pages - 8051 Keyboard BIOS
- Four 64K pages - Host System BIOS
8051 Keyboard and System Controller
- Provides System Power Management
- System Watch Dog Timer (WDT)
- 8042 Style Host Interface
Asynchronous Access to Two Data
Registers and One Status Register
- Supports Interrupt and Polling Access
- 2K Internal ROM, nEA Pin Select
- 32K Bank Switchable External Flash Rom
Interface
- 256 Bytes Data RAM
- Access to On-Chip Control Registers via
MOVX External Data Access Commands
- Access to RTC and CMOS Registers
- Up to 16x8 Keyboard Scan Matrix
- Two 16 Bit Timer/Counter
- Integrated TX/RX Serial Interface
- Six 8051 Interrupt Sources
- Sixteen 8 Bit, Host/8051 Mailbox
Registers
- 19 Maskable Hardware Wake-Up Events
Supported
- Fast GATEA20
- Fast CPU_RESET
- Multiple Clock Sources and Frequencies
- IDLE and SLEEP Modes
Real Time Clock
- MC146818 and DS1287 Compatible
- 256 Bytes of Battery Backed CMOS in
Two Banks of 128 Bytes
- 128 Bytes of CMOS RAM Lockable in
4x32 Byte Blocks
- 12 and 24 Hour Time Format
- Binary and BCD Format
- <1"A Standby Current (typ)
ACCESS.bus Interface
- 8584 Style Interface
PS/2 Ports
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SMSC DS 鈥?FDC37N958FR
Rev. 09/01/99

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