MEC1322 Datasheet, PDF (40/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
TABLE 1-40: PIN STATES AFTER VCC1 POWER-ON
P in
Re fe re n ce
Num ber
21
20
19
18
17
16
13
12
10
9
8
7
6
5
113
114
115
66
61
35
60
77
85
125
Pin Na m e
P in S ta te a fte r V CC1 P ow e r-o n
K S O 0 0 /G P IO 0 0 0 /JTAG _ TC K
K S O 0 1 /G P IO 1 0 0 /JTAG _ TMS
K S O 0 2 /G P IO 1 0 1 /JTAG _ TD I
K S O 0 3 /G P IO 1 0 2 /JTAG _ TD O
K S O 0 4 /G P IO 1 0 3 /TFD P _ D ATA/XN O
R
K S O 0 5 /G P IO 1 0 4 /TFD P _ C L K
K S O 0 6 /G P IO 0 0 1
K S O 0 7 /G P IO 0 0 2
K S O 0 8 /G P IO 0 0 3
K S O 0 9 /G P IO 1 0 6
K S O 1 0 /G P IO 0 0 4
K S O 1 1 /G P IO 1 0 7
K S O 1 2 /G P IO 0 0 5
K S O 1 3 /G P IO 0 0 6
L E D 0 /G P IO 1 5 4
L E D 1 /G P IO 1 5 5
L E D 2 /G P IO 1 5 6
P S 2 _ C L K 0 /G P IO 0 4 6
P S 2 _ C L K 1 /G P IO 0 5 0
P S 2 _ C L K 2 /G P IO 0 5 1
n R E S E T_ O U T/G P IO 1 2 1
VC C 1 _ R S T# /G P IO 1 3 1
G P IO 1 4 3 /R S MR S T#
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
Pus h-pull - H igh
OD - low
OD - low
OD - low
IO D - lo w
IO D - lo w
IO D - lo w
G litc h P ro te c te d - d rive n lo w w h ile VC C 1 is
ris ing.
Th e p in b e co m e s a p u s h -p u ll o u tp u t a fte r VC C 1
is u p a n d s ta b le (re q u ire s a p u ll-d o w n o n th e
b o a rd )
G litc h P ro te c te d - d rive n lo w w h ile VC C 1 is
ris ing.
Th e p in b e co m e s O D a fte r VC C 1 is u p a n d s ta b le
(re q u ire s a p u ll-u p o n th e b o a rd )
G litc h P ro te c te d - d rive n lo w w h ile VC C 1 is
ris ing.
Th e p in b e co m e s a p u s h -p u ll o u tp u t a fte r VC C 1
is u p a n d s ta b le (re q u ire s a p u ll-d o w n o n th e
b o a rd )
G P IO 0 2 5 /I2 C 3 _ D AT0
G litc h P ro te c te d - d rive n lo w w h ile VC C 1 is ris in g .
Th e p in b e c o m e s a n in p u t (i.e ., tri-s ta te d O D typ e )
a fte r VC C 1 is u p a n d s ta b le .
DS00001719D-page 40
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