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See Technical Specifications

KBC1126-NU +BOM

KBC1126-NU by Microchip Technology

3.3V Operation with 5V Tolerant Buffers
ACPI 1.0b/2.0 and PC99a/PC2001 Compliant
LPC Interface with Clock Run Support
— Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems
— 15 Direct IRQs
— Three 8-Bit DMA Channels
— ACPI SCI Interface
— 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 communication interface.
— Dual Ported Controller with Keeper Circuit 8 MByte Shared FlashROM Interface (SFI)
— 8051/Host CPU HardwareArbitrated 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
— Compatible with ISA Plug-and-Play Standard(Version 1.0a)
— Four Pin Selectable Addressing Options
— 8051-Programmable Base Address