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MEC1322 bảng dữ liệu(PDF) 343 Page - Microchip Technology

tên linh kiện MEC1322
Giải thích chi tiết về linh kiện  Keyboard and Embedded Controller for Notebook PC
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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MEC1322 bảng dữ liệu(HTML) 343 Page - Microchip Technology

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 2014 - 2015 Microchip Technology Inc.
DS00001719D-page 343
MEC1322
29.0 PS/2 INTERFACE
29.1
Introduction
There are four PS/2 Ports in the MEC1322 which are directly controlled by the EC. The hardware implementation elim-
inates the need to bit bang I/O ports to generate PS/2 traffic, however bit banging is available via the associated GPIO
pins.
29.2
References
No references have been cited for this feature.
29.3
Terminology
There is no terminology defined for this section.
29.4
Interface
This block is designed to be accessed externally via the pin interface and internally via a registered host interface.
29.5
Signal Description
FIGURE 29-1:
I/O DIAGRAM OF BLOCK
TABLE 29-1:
SIGNAL DESCRIPTION TABLE
Name
Direction
Description
PS2DAT
INPUT/
OUTPUT
Data from the PS/2 device
PS2CLK
INPUT/
OUTPUT
Clock from the PS/2 device
PS/2 Interface
Interrupts
Power, Clocks and Reset
Host Interface
Signal Description



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