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MEC1322 Datasheet(PDF) 363 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) 363 Page - Microchip Technology

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 2014 - 2015 Microchip Technology Inc.
DS00001719D-page 363
MEC1322
31.11.3
BC-LINK DATA REGISTER
31.11.4
BC-LINK CLOCK SELECT REGISTER
Offset
08h
Bits
Description
Type
Default
Reset
Event
31:8 Reserved
R
-
-
7:0 DATA
As described in Section 31.10.1, "BC-Link Master READ Operation"
and Section 31.10.2, "BC-Link Master WRITE Operation", this regis-
ter hold data used in a BC-Link transaction.
R/W
0h
VCC1_R
ESET
Offset
0Ch
Bits
Description
Type
Default
Reset
Event
31:8 Reserved
R
-
-
7:0 DIVIDER
The BC Clock is set to the Master Clock divided by this field, or
48MHz/ (Divider +1). The clock divider bits can only can be changed
when the BC Bus is in soft RESET (when either the Reset bit is set
by software or when the BUSY bit is set by the interface).
Example settings for DIVIDER are shown in Table 31-9, "Example
Frequency Settings".
R/W
4h
VCC1_R
ESET
TABLE 31-9:
EXAMPLE FREQUENCY SETTINGS
Divider
Frequency
0
48MHz
1
24MHz
2
16MHz
3
12MHz
49.6MHz
15
2.18MHz
2A
1.12MHz



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