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MEC1322 Datasheet(PDF) 401 Page - Microchip Technology

Part # MEC1322
Description  Keyboard and Embedded Controller for Notebook PC
PDF  456 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MEC1322 Datasheet(HTML) 401 Page - Microchip Technology

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 2014 - 2015 Microchip Technology Inc.
DS00001719D-page 401
MEC1322
38.4
LPC LCLK Timing
FIGURE 38-6:
LPC CLOCK TIMING
Note 38-7
The standard clock frequency supported is 33MHz (max 33.3ns period). Setting the Handshake bit
in the Host Interface allows the LPC interface to support a PCI clock rate from 19.2MHz to 33MHz.
38.5
LPC RESET# Timing
FIGURE 38-7:
RESET TIMING
38.5.1
LPC BUS TIMING
FIGURE 38-8:
OUTPUT TIMING MEASUREMENT CONDITIONS, LPC SIGNALS
TABLE 38-6:
LPC CLOCK TIMING PARAMETERS
Name
Description
MIN
TYP
MAX
Units
t1
Period
30
57
(Note 38-
7)
nsec
t2
High Time
11
t3
Low Time
t4
Rise Time
3
t5
Fall Time
TABLE 38-7:
RESET TIMING PARAMETERS
Name
Description
MIN
TYP
MAX
Units
t1
LRESET# width
1
ms
t1
t3
t2
LC LK
t5
t4
t1
LR ES ET #
t3
t2
t1
LCLK
Output Delay
Tri-State Output



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