MEC1322 datasheet(375/456 Pages) MICROCHIP

tên linh kiện	MEC1322

Giải thích chi tiết về linh kiện	Keyboard and Embedded Controller for Notebook PC

PDF	456 Pages

Scroll/Zoom	100%

nhà sản xuất	MICROCHIP [Microchip Technology]

Trang chủ	http://www.microchip.com

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375 / 456 page

 2014 - 2015 Microchip Technology Inc.

DS00001719D-page 375

MEC1322

34.0 VBAT-POWERED RAM

34.1

Overview

The VBAT Powered RAM provides a 64 Byte Random Accessed Memory that is operational while the main power rail

is operational, and will retain its values powered by battery power while the main rail is unpowered.

34.2

References

No references have been cited for this feature.

34.3

Terminology

There is no terminology defined for this section.

34.4

Interface

This block is designed to be accessed externally via the pin interface and internally via a registered host interface.

34.5

Signal Description

There are no external signals for this block.

34.6

Host Interface

The registers defined for the Keyboard Scan Interface are accessible by the various hosts as indicated in Section 34.11,

"Registers".

34.7

Power, Clocks and Reset

This section defines the Power, Clock, and Reset parameters of the block.

FIGURE 34-1:

I/O DIAGRAM OF BLOCK

VBAT-Powered RAM

Interrupts

Power, Clocks and Reset

Host Interface

Signal Description

MEC1322 bảng dữ liệu(PDF) 375 Page - Microchip Technology