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MEC1322 датащи(PDF) 230 Page - Microchip Technology

номер детали MEC1322
подробное описание детали  Keyboard and Embedded Controller for Notebook PC
PDF  456 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MEC1322 датащи(HTML) 230 Page - Microchip Technology

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MEC1322
DS00001719D-page 230
 2014 - 2015 Microchip Technology Inc.
The Base Address indicates where the first register can be accessed in a particular address space for a block instance.
18.10.1
HTIMER PRELOAD REGISTER
18.10.2
HTIMER CONTROL REGISTER
18.10.3
HTIMER COUNT REGISTER
TABLE 18-5:
EC-ONLY REGISTER BASE ADDRESS TABLE
Block Instance
Instance
Number
Host
Address Space
Base Address
Hibernation Timer
0
EC
32-bit internal
address space
4000_9800h
TABLE 18-6:
HIBERNATION TIMER SUMMARY
Offset
Register Name
00h
HTimer Preload Register
04h
HTimer Control Register
08h
HTimer Count Register
Offset
00h
Bits
Description
Type
Default
Reset
Event
15:0 HT_PRELOAD
This register is used to set the Hibernation Timer Preload value.
Writing this register to a non-zero value resets the down counter to
start counting down from this programmed value. Writing this regis-
ter to 0000h disables the hibernation counter. The resolution of this
timer is determined by the CTRL bit in the HTimer Control Register.
Writes to the HTimer Control Register are completed with an EC bus
cycle.
R/W
000h
VCC1_R
ESET
Offset
04h
Bits
Description
Type
Default
Reset
Event
15:1 Reserved
R
-
-
0CTRL
1= The Hibernation Timer has a resolution of 0.125s per LSB, which
yields a maximum time in excess of 2 hours.
0= The Hibernation Timer has a resolution of 30.5µs per LSB, which
yields a maximum time of ~2seconds.
R
0000h
VCC1_R
ESET
Offset
08h
Bits
Description
Type
Default
Reset
Event
15:0 COUNT
The current state of the Hibernation Timer.
R
0000h
VCC1_R
ESET



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