MEC1404 Datasheet, PDF (332/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
GPIO Name
(Octal)
Pin Control
Register
Offset (Hex)
Pin Control
Register Default
(Hex)
GPIO135
GPIO136
GPIO140
GPIO141
GPIO142
GPIO143
GPIO144
GPIO145
GPIO146
GPIO147
GPIO150
GPIO151
GPIO152
GPIO153
GPIO154
GPIO155
GPIO156
GPIO157
GPIO160
GPIO161
GPIO162
GPIO163
GPIO164
GPIO165
GPIO166
0174
0178
0180
0184
0188
018C
0190
0194
0198
019C
01A0
01A4
01A8
01AC
01B0
01B4
01B8
01BC
01C0
01C4
01C8
01CC
01D0
01D4
01D8
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00001000
00001000
00001000
00000000
00000000
MEC141x
Default
Function
GPIO135
GPIO136
GPIO140
GPIO141
GPIO142
GPIO143
GPIO144
GPIO145
GPIO146
GPIO147
GPIO150
GPIO151
GPIO152
GPIO153
GPIO154
GPIO155
GPIO156
GPIO157
GPIO160
GPIO161
VCI_IN1#
VCI_IN0#
VCI_OVRD_IN
GPIO165
GPIO166
Pin Control
Register 2
Offset
(Hex)
Pin Control
Register 2 Default
(Hex)
654
00000010
658
00000010
660
00000010
664
00000010
668
00000010
66C
00000010
670
00000010
674
00000010
678
00000010
67C
00000010
680
00000010
684
00000010
688
00000010
68C
00000000
690
00000000
694
00000000
698
00000010
69C
00000010
6A0
00000010
6A4
00000010
6A8
00000010
6AC
00000010
6B0
00000010
6B4
00000010
6B8
00000010
Default
Drive
Strength
(mA)
4
4
4
4
4
4
4
4
4
4
4
4
4
2
2
2
4
4
4
4
4
4
4
4
4
22.6 GPIO Registers
The registers listed in the Register Summary table are for a single instance of the MEC140X/1X. The addresses of each
register listed in this table are defined as a relative offset to the host “Base Address” defined in the Register Base
Address Table.
TABLE 22-1: REGISTER BASE ADDRESS TABLE
Instance Name
GPIO
Instance
Number
0
0
Host
LPC
EC
Address Space
I/O
32-bit internal
address space
Base Address
Note 22-2
0008_1000h
DS00001956D-page 332
 2015 - 2016 Microchip Technology Inc.