LPC47N252 - Advanced Notebook I/O Controller with On-Board FLASH
The LPC47N252 is a 208-pin 3.3V LPC-based ACPI 1.0 and PC99/PC2001 compliant Notebook I/O Controller with Fast Infrared for mobile applications.
See FIGURE 2 * LPC47N252 BLOCK DIAGRAM.
The LPC47N252 incorporates a high-performance 8051-based keyboard controller; a 64k byte internal Flash ROM
LPC47N252 Features
* 3.3V Operation with 5V Tolerant Buffers
* ACPI 1.0b , 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 Interf
