LPC47S457-NC

LPC47S45x Advanced I/O with X-Bus Interface FEATURES 3.3 Volt Operation (5V tolerant) Floppy Disk Controller (Supports 2 FDCs) Multi-Mode Parallel Port Two UARTs 8042 Keyboard Controller SMBus Controller - SMBus access to LCD Interface - SMBus Serial Port 2 Interface Disable - SMBus access to Power On Elapsed Time Counters - Programmable Slave Address X-Bus Interface - Supports up to four external I/O components - Offers two modes of operation - Support for Driving LCD Panel Interface Controller - Supports Port 80h “Snooping” Programmable Wakeup Event Interface (IO_PME# Pin) SMI Support (IO_SMI# Pin) GPIOs (55) Fan Controller - One Fan Speed Control Output - One Fan Tachometer Input ISA IRQ to Serial IRQ Conversion XNOR Chain for Board Test Mode PC2001 and ACPI 2.0 Compliant 128-pin QFP Package ISA Plug-and-Play Compatible Register Set Intelligent Auto Power Management Power On Elapsed Time Counters - Counter for Main Power - Counter for Standby Power Real Time Clock - MC146818 and DS1287 Compatible - 256 Bytes of Battery Backed CMOS in Two 128Byte Banks - 128 Bytes of CMOS RAM Lockable in 4x32 Byte Blocks - 12 and 24 Hour Time Format - 24-hour daily alarm - 30-day alarm - Binary and BCD Format -