MEC1322 Datasheet, PDF (24/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
TABLE 1-25: MULTIPLEXING TABLE (4 OF 18)
Pin Ref.
Number
MUX
25
0
25
1
25
2
25 Default: 3
26
0
26
1
26
2
26 Default: 3
27
0
27
1
27
2
27 Default: 3
28
0
28
1
28 Default: 2
28
3
29
0
29
1
29 Default: 2
29
3
30 Default: 0
30
1
30
2
30
3
31 Default: 0
31
1
31
2
31
3
32
0
32
1
32 Default: 2
32
3
Signal
GPIO142
Reserved
Reserved
KSI4
GPIO032
Reserved
Reserved
KSI3
GPIO144
Reserved
Reserved
KSI2
GPIO126
Reserved
KSI1
Reserved
GPIO125
Reserved
KSI0
Reserved
GPIO031
Reserved
Reserved
Reserved
GPIO127
PECI_RDY
Reserved
Reserved
GPIO052
Reserved
PS2_DAT2
Reserved
Buffer
Type
PIO
Res erved
Res erved
PIO
PIO
Res erved
Res erved
PIO
PIO
Res erved
Res erved
PIO
PIO
Res erved
PIO
Res erved
PIO
Res erved
PIO
Res erved
PIO
Res erved
Res erved
Res erved
PIO
PIO
Res erved
Res erved
PIO
Res erved
PIO
Res erved
Default
Operation
I
I
I
I
I
I (PU)
I
IOD-12mA
Signal
Power Well
Emulated
Power Well
Gated State
Notes
VCC1
VCC1
No Gate
Reserved Reserved
Reserved Reserved
VCC1
VCC1
Low
Note 11
VCC1
VCC1
No Gate
Reserved Reserved
Reserved Reserved
VCC1
VCC1
Low
Note 11
VCC1
VCC1
No Gate
Reserved Reserved
Reserved Reserved
VCC1
VCC1
Low
Note 11
VCC1
VCC1
No Gate
Reserved Reserved
VCC1
VCC1
Low
Note 11
Reserved Reserved
VCC1
VCC1
No Gate
Reserved Reserved
VCC1
VCC1
Low
Note 11
Reserved Reserved
VCC1
VCC1
No Gate
Reserved Reserved
Reserved Reserved
Reserved Reserved
VCC1
VCC1
No Gate
VCC1
VCC1
High
Reserved Reserved
Reserved Reserved
VCC1
VCC1
No Gate
Reserved Reserved
VCC1
VCC1
Low
Reserved Reserved
DS00001719D-page 24
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