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PC87570 - Keyboard and Power Management Controller

This page provides the datasheet information for the PC87570, a member of the PC8 Keyboard and Power Management Controller family.

Datasheet Summary

Description

The PC87570 is a highly integrated embedded RISC-based controller optimized for power management (PM), keyboard and mouse (KBC) and system control in portable Personal Computer (PC) applications.

Features

  • q q q q q q Shared BIOS memory Fully ACPI-compliant embedded controller Proprietary PS/2 shift mechanism Extremely low current consumption in Idle mode Support for a variety of off-chip wake-up sources Scalable design for growth without controller upgrade Block Diagram CR16A Core Processing Unit Core Bus Bus Adapter Memory RAM ROM BIU Peripheral Bus Host Config KBC + PM Host I/F RTC + APC GPIO KBSCAN MIWU CLK HFCG ICU ACB I/F PS/2 I/F Timer + WDG MFT16 (X2) ADC DAC Legacy PMC HBI Pe.

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Datasheet preview – PC87570

Datasheet Details

Part number PC87570
Manufacturer National Semiconductor
File Size 1.12 MB
Description Keyboard and Power Management Controller
Datasheet download datasheet PC87570 Datasheet
Additional preview pages of the PC87570 datasheet.

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Full PDF Text Transcription

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- January 1998 Highlights PRELIMINARY April 1998 PC87570 Keyboard and Power Management Controller Highlights General Description The PC87570 is a highly integrated embedded RISC-based controller optimized for power management (PM), keyboard and mouse (KBC) and system control in portable Personal Computer (PC) applications. The PC87570 incorporates National’s CompactRISC™ CR16A core, a high performance 16-bit RISC processor core, a Bus Interface Unit (BIU) that directly interfaces with memory and I/O devices, on-chip memory and system support functions.
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