MEC1404 Datasheet, PDF (568/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
APPENDIX A: DATA SHEET REVISION HISTORY
TABLE A-1: REVISION HISTORY
Revision Level
DS00001956D
(02-11-16)
DS00001956C
(02-09-16)
Section/Figure/Entry
Table 3-3, “Power Good Signal
Definitions,” on page 70
Mailbox Interface
Section 2.3, "Notes for Tables in
this Chapter"
Correction
Updated VTRGD power good signal description to remove
the VTR_33_18 power supply as a source.
Updated host index of mailbox registers.
Note 17 added.
Section 1.2, "Initialize Host Inter-
face" and Section 1.4.2, "eSPI
Host System Block Diagram"
Updated description to include eSPI Flash Channel.
Updated block digram to show SPI interface as optional.
Section 1.2.2, "Configure eSPI
Interface"
Updated GPIO numbers of eSPI pins.
Section 2.3, "Notes for Tables in Added note that the GPIO123/SHD_CS# pin must be used
this Chapter"
as RSMRST# if the eSPI Flash Channel is used for booting.
Section 2.4.2, "MEC141X Pin
List" and Table 2-3, "MEC141X
Pin Multiplexing"
Added BSS_STRAP on the GPIO123/SHD_CS# pin
DS00001956B
(06-19-15)
Section 2.12.1, "Boot Source
Select Straps"
Table 42-12, "Thermal Operating
Conditions"
Renamed and updated Crisis Recovery Strap section to
include description of the BSS_STRAP on the
GPIO123/SHD_CS# pin and a note that the
GPIO123/SHD_CS# pin must be used as RSMRST# if the
eSPI Flash Channel is used for booting.
TJ max value changed from “+75” to “+125”
Section 2.4.1, "MEC140x Pin
List" and Section 2.4.2,
"MEC141X Pin List"
Updated pins L2 and L4 in the 144 WFBGA package
DS00001956A
(05-27-15)
Table 42-14, "VTR Supply Cur-
rent, I_VTR"
Initial Release
Updated Heavy Sleep 1 entries to show the 48 MHz Ring
Oscillator Frequency at 12MHz
DS00001956D-page 568
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