PC97551-VPC PDF Datasheet – Embedded Controller

Part Number: PC97551-VPC

Function: Embedded Controller

Package: 176-pin LQFP and FBGA Type

Manufacturer: Winbond Electronics


1 page
PC97551-VPC image


The Winbond PC97551 is an embedded controller (EC) for mainstream notebook applications. It includes a highly optimized set of functions, which provide a hardware/firmware partition that enables the implementation of flexible solutions; and its high-performance CPU core enables EC functionality to be extended via the firmware.




1. Host interface, based on Intel’s LPC Interface Specification Revision 1.1, August 2002

2. PC2001 Rev 1.0, and ACPI 3.0 compliant

3. 16-bit RISC core, with 2 Mbytes address space, running at up to 20 MHz

4. Shared BIOS flash memory (external)

5. 92 GPIO ports (including keyboard scanning) with a variety of wake-up events

6. JTAG-based debugger interface

PC97551-VPC Datasheet