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PC97551, PC97551-VPB, PC97551VPC

Table of contents:
Info of PC97551
Info of PC97551-VPB
Info of PC97551VPC

PC97551, PC97551-VPB, PC97551VPC Selling Leads, Datasheet

MFG:SK Package Cooled:QFP D/C:02+

PC97551, PC97551-VPB, PC97551VPC Picture

PC97551, PC97551-VPB, PC97551VPC Datasheet download

Five Points

Part Number: PC97551

MFG: SK

Package Cooled: QFP

D/C: 02+

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PC97551 General Description

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.

The PC97551 incorporates National's CompactRISC^TM CR16B core (a high-performance 16-bit RISC processor), internal ROM and RAM memories, system support functions and a Bus Interface Unit (BIU) that directly interfaces with both external memory (such as flash) and I/O devices.

System support functions include: watchdog, PWM, timers, interrupt control, General-Purpose I/O (GPIO) with internal keyboard matrix scanning, PS/2^® Interface, SMBus^® interface, analog-to-digital (ADC) and digital-to-analog (DAC) converters for battery charging circuitry, system monitoring and analog controls.

The PC97551 interfaces with the host via an LPC interface that provides the host with access to the Keyboard and embedded controller interface channels and to the BIOS flash. Like other members of Winbond's Advanced I/O family, the PC97551 is PC01 and ACPI compliant.

PC97551 Features

Host interface, based on Intel's LPC Interface Specification Revision 1.1, August 2002
PC2001 Rev 1.0, and ACPI 3.0 compliant
16-bit RISC core, with 2 Mbytes address space, running at up to 20 MHz
Shared BIOS flash memory (external)
92 GPIO ports (including keyboard scanning) with a variety of wake-up events
JTAG-based debugger interface
Software and hardware controlled clock throttling and extremely low current consumption in Idle mode
176-pin LQFP and FBGA packages

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