KBC1122P
Key Features
- 3.3V Operation with 5V Tolerant Buffers ACPI 1.0b/2.0 and PC99a/PC2001 pliant LPC Interface with Clock Run Support - Serial IRQ Interface patible with Serialized IRQ Support for PCI Systems - 15 Direct IRQs - Three 8-Bit DMA Channels - ACPI SCI Interface - nSMI - Shadowed write only registers LPC/Firmware Hub Host Flash Interface - Single Byte FWH Memory Read and FWH Memory Write Support - FWH ID Support - 16MB FWH Flash and Register Addressing, 128K Legacy BIOS Addressing - Single Byte LPC Memory Read and LPC Memory Write Support Serial Peripheral Interface (SPI) - 3-pin Full Duplex serial munication interface. - Dual Ported Controller with Keeper Circuit 8 MByte Shared FlashROM Interface (SFI) - 8051/Host CPU Hardware Arbitrated Interface - 0.5 - 8MB - Host System BIOS & 8051 Keyboard - 8051 64KB Code Space Accessible as Separate 32KB Pages in Flash - Low-Power Flash Access Modes - 8051-Programmable Flash Access Protection - Read/Write/No-Access Protection - Variable Bank Sizes Host Flash Address Redirection for Recovery Serial Flash Programming Interface Two Power Planes - Low Standby Current in Sleep Mode - Intelligent Auto Power Management for Super I/O - Main powered blocks power supplied by standby power plane and controlled by power management signals 3-Port ACPI Embedded Controller Interface
- Configuration Register Set - patible with ISA Plug-and-Play Standard (Version 1.0a) - Four Pin Selectable Addressing Options - 8051-Programmable Base Address High-Performance Embedded 8051 Keyboard and System Controller - Provides System Power Management - System Watch Dog Timer (WDT) - 8042 Style Host Interface Relocatable to 480 Different Base I/O Addresses - Supports Interrupt and Polling Access - Interrupt Accelerator - 512 Bytes Data RAM - 2 Kilobytes Scratch ROM/RAM - On-Chip Memory-Mapped Control Registers - Up to 18x8 Keyboard Scan Matrix - Two 16 Bit Timer/Counters - 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 up to 32MHz - IDLE and SLEEP Modes - Low Power Fail-Safe Ring Oscillator ±10% Accuracy - Hibernation Timer with programmable wake-up from 0.5ms to 128 minutes - 8051-Driven 16550A UART - 16-Byte Send/Receive FIFOs - External Baud Clock Option - Power-Fail Status Register Advanced Infrared munications Controller (IRCC 2.0) - IrDA V1.2 (4Mbps), HPSIR, ASKIR, Consumer IR Support - Two IR Ports - Relocatable Base I/O Address
