Table of Contents
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Schematic Diagrams
KBC-ITE IT8518
V D D 3
C 2 22
0 . 1 u _1 6 V _ Y 5 V _ 04
3. 3 V S
[ 1 7 , 2 2, 2 4 , 2 6]
Sheet 27 of 43
KBC-ITE IT8518
[ 2 , 1 4]
[ 2 , 1 4]
[ 2 9]
[ 22 , 2 8 ]
[ 3 0 ]
[ 3 1]
[ 1 1 , 30 ]
[ 1 5 ]
[ 2 2, 2 8 ]
[ 2 2 ]
[ 1 1 ]
B R I G H T N E S S
B - 28 KBC-ITE IT8518
K B C _ A V D D
C 2 6 6
C 2 1 1
C 26 4
C 2 56
10 u _ 10 V _ Y 5 V _ 0 8
0 . 1u _ 1 6V _ Y 5V _ 0 4
0 . 1 u_ 1 6 V _Y 5 V _0 4
0 . 1 u _1 6 V _ Y 5 V _ 04
E C _ V C C
L 21
HC B 10 0 5K F -12 1 T 20
C 2 5 2
0 . 1u _ 1 6V _ Y 5V _ 0 4
U 2 3
10
[ 1 3 , 23 ]
L P C _A D 0
L A D 0
9
[ 1 3 , 23 ]
L P C _A D 1
L A D 1
8
[ 1 3 , 23 ]
L P C _A D 2
L A D 2
7
[ 1 3 , 23 ]
L P C _A D 3
L A D 3
P C LK _ K B C
13
[ 1 7]
P C L K _ K B C
L P C C L K
6
[ 1 3, 2 3 ]
L P C _ F R A ME #
L F R A ME #
5
LPC
K/B MATRIX
[ 13 , 2 3 ]
S E R I R Q
S E R I R Q
22
B U F _ P L T_ R S T#
L P C R S T # / W U I 4 / GP D 2 ( P U )
14
K B C _W RE S E T #
W R S T #
1 26
[ 1 8 ]
GA 2 0
G A 2 0/ G P B 5
4
[ 26 , 3 8 ]
A C _ I N #
16
K B R S T #/ GP B 6 ( P U )
[ 28 ]
L E D _ A C I N
P W U R E Q # / GP C 7( P U )
20
*0 _ 0 4
R 30 0
[ 15 , 1 7 ]
A C _ P R E S E NT
L 8 0 LL A T / GP E 7 ( P U )
*0 _ 0 4
R 30 3
[ 1 5 ]
P M_ P C H _ P W R O K
23
[ 18 ]
S M I #
15
E C S C I # / G P D 3 ( P U )
[ 18 ]
S C I #
E C S MI # / G P D 4 ( P U )
DAC
76
[ 2 2, 2 8 ]
W L A N _ E N
G P J 0
77
[ 29 ]
K B C _M U T E #
G P J 1
78
[ 1 3 ]
ME _W E
D A C 2 / GP J2
79
[ 3 0]
C P U _F A N
D A C 3 / GP J3
80
IT8518
[ 3 0 ]
W E B _ W W W #
D A C 4 / GP J4
81
D A C 5 / GP J5
ADC
FLASH
B A T _ D E T
66
[ 3 8 ]
B A T _ DE T
A D C 0 / GP I 0
F L F R A ME # / GP G 2
B A T _ V OL T
67
[ 3 8]
B A T_ V O LT
68
A D C 1 / GP I 1
A P _ K E Y #
[ 3 0 ]
A P _ K E Y #
A D C 2 / GP I 2
69
[ 2 ]
T H E R M_ V OL T
70
A D C 3 / GP I 3
[ 3 8 ]
T OT A L _C U R
A D C 4 / GP I 4
3 G_ D E T#
71
[ 2 3 ]
3 G_ D E T #
72
A D C 5 / GP I 5
C C D _ D E T#
[ 2 3]
C C D _ D E T #
A D C 6 / GP I 6
( P D )F LR S T #/ W U I 7 / GP G 0/ T M
M OD E L_ I D
73
A D C 7 / GP I 7
GPIO
SMBUS
1 10
( P D )K S O1 6 / GP C 3
S M C _ B A T
[ 38 ]
S M C _ B A T
S M C L K 0 / GP B 3
( P D )K S O1 7 / GP C 5
S M D _ B A T
1 11
[ 38 ]
S M D _ B A T
1 15
S M D A T 0 / GP B 4
11/ 03
S M C L K 1 / GP C 1
R 6 06
0 _0 4
1 16
[ 3 , 18 ]
H _P E C I
1 17
S M D A T 1 / GP C 2
S MC _ C P U _ T H E R M
S M C L K 2 / GP F 6 ( P U )
R 3 28
*0 _ 0 4
1 18
S MD _ C P U _ T H E R M
S M D A T 2 / GP F 7 ( P U )
PWM
L C D _B R I GH T N E S S
24
P W M0 / GP A 0 ( P U )
25
K B C _ B E E P
P W M1 / GP A 1 ( P U )
28
[ 2 8 ]
LE D _ S C R OL L #
P W M2 / GP A 2 ( P U )
LOW ACTIVE
29
EXT GPIO
[ 2 8 ]
L E D _ N U M#
P W M3 / GP A 3 ( P U )
30
[ 2 8 ]
L E D _ C A P #
31
P W M4 / GP A 4 ( P U )
( P D )E G A D / G P E 1
[ 28 ]
L E D _B A T _ C H G
P W M5 / GP A 5 ( P U )
( P D )E GC S # / G P E 2
32
HIGH ACTIVE
[ 2 8]
LE D _ B A T_ F U LL
34
P W M6 / GP A 6 ( P U )
( P D )E GC L K / G P E 3
[ 2 8]
LE D _ P W R
P W M7 / GP A 7 ( P U )
WAKE UP
PS/ 2
( P D )W U I 5 / G P E 5
80 C L K
85
[ 22 ]
8 0 C L K
86
P S 2C LK 0 / G P F 0 ( P U )
( P D )L P C P D# / W U I 6 / G P E 6
B T _D E T #
P S 2D A T0 / G P F 1 ( P U )
8 0 P OR T _ D E T #
87
R 32 0
0 _0 4
PWM/COUNTER
[ 2 2 ]
3I N 1
88
P S 2C LK 1 / G P F 2 ( P U )
W E B _ E MA I L #
P S 2D A T1 / G P F 3 ( P U )
( P D )T A C H 0 / GP D 6
89
[ 30 ]
T P _ C L K
90
P S 2C LK 2 / G P F 4 ( P U )
( P D )T A C H 1 / GP D 7
[ 30 ]
T P _ D A T A
P S 2D A T2 / G P F 5 ( P U )
( P D )T MR I 0/ W U I 2 / GP C 4
WAKE UP
( P D )T MR I 1/ W U I 3 / GP C 6
1 25
[ 2 3 ]
3G _ E N
P W R S W / G P E 4 ( P U )
CIR
18
P W R _ S W #
R I 1 #/ W U I 0 / GP D 0( P U )
21
L I D _ S W #
R I 2 #/ W U I 1 / GP D 1( P U )
GP INTER RUPT
LPC/WAKE UP
33
P W R _ B T N #
G I NT / GP D 5 ( P U )
( P D )L 80 H LA T / G P E 0
( P D ) R I N G # / P W R F A I L # / L P C R S T# / G P B 7
UAR T
1 08
W L A N _ L E D #
R X D / GP B 0( P U )
1 09
W L A N _ D E T#
T X D/ G P B 1 ( P U )
I T8 5 1 8E
C 2 50
0 . 1 u _1 6 V _ Y 5 V _ 04
E C _V S S
N C 2
* N C _ 0 4
L C D _B R I GH T N E S S
R 2 8 8
*1 0 m i l _ 0 4
K B C _A G N D
C 2 1 9
*0 . 1u _ 1 0V _ X 5 R _ 0 4
V D D 3
L1 9
H C B 1 0 0 5K F -12 1 T 20
V D D 3
C 2 3 4
C 23 3
C 2 3 2
0 . 1u _ 1 6V _ Y 5V _ 0 4
*0 . 1 u _1 6 V _ Y 5 V _ 04
*0 . 1 u_ 1 6 V _Y 5 V _0 4
K B C _ A GN D
1
2 4
J_K B1
W 24 0HU /W 27 0HU
J _K B 2
W25 0H U
J _ K B 1
8 5 2 01 -2 4 05 1
*8 5 20 1 -2 40 5 1
58
4
4
K B -S I 0
K B -S I 0
K S I 0 / S T B #
59
K B -S I 1
5
K B -S I 1
5
K S I 1 / A F D #
60
K B -S I 2
6
K B -S I 2
6
K S I 2 / I N I T #
61
K B -S I 3
8
K B -S I 3
8
K S I 3/ S LI N #
62
K B -S I 4
1 1
K B -S I 4
1 1
K S I 4
63
K B -S I 5
1 2
K B -S I 5
1 2
K S I 5
64
K B -S I 6
1 4
K B -S I 6
1 4
K S I 6
65
K B -S I 7
1 5
K B -S I 7
1 5
K S I 7
36
1
1
K B -S O 0
K B -S O0
K S O 0/ P D 0
37
K B -S O 1
2
K B -S O1
2
K S O 1/ P D 1
38
3
3
K B -S O 2
K B -S O2
K S O 2/ P D 2
39
K B -S O 3
7
K B -S O3
7
K S O 3/ P D 3
40
9
9
K B -S O 4
K B -S O4
K S O 4/ P D 4
41
K B -S O 5
1 0
K B -S O5
1 0
K S O 5/ P D 5
42
1 3
1 3
K B -S O 6
K B -S O6
K S O 6/ P D 6
43
K B -S O 7
1 6
K B -S O7
1 6
K S O 7/ P D 7
44
1 7
1 7
K B -S O 8
K B -S O8
K S O8 / A C K #
45
K B -S O 9
1 8
K B -S O9
1 8
K S O 9/ B U S Y
46
1 9
1 9
K B -S O 10
K B -S O 10
K S O 1 0/ P E
51
K B -S O 11
2 0
K B -S O 11
2 0
K S O1 1 / E R R #
52
2 1
2 1
K B -S O 12
K B -S O 12
K S O1 2 / S LC T
53
K B -S O 13
2 2
K B -S O 13
2 2
K S O1 3
54
K B -S O 14
2 3
K B -S O 14
2 3
K S O1 4
55
K B -S O 15
2 4
K B -S O 15
2 4
K S O1 5
10 0
3 G_ P W R _E N [ 2 3]
10 1
K B C _ S P I _ C E #
F L A D 0 / S C E #
10 2
K B C _ S P I _ S I
F L A D 1/ S I
10 3
K B C _ S P I _ S O
F L A D 2 / S O
10 4
F L A D 3 / GP G 6
V C H G-S E L [ 3 8 ]
10 5
K B C _ S P I _ S C LK
F L C L K / S C K
10 6
C C D _ E N [ 23 ]
56
S U S B # [ 15 , 2 6 , 31 ]
57
S U S C # [ 1 5, 3 3 ]
93
( P D )GP H 0/ I D 0
S U S _P W R _ A C K [ 1 5 ]
94
B T _ E N [ 2 2 , 28 ]
( P D )GP H 1/ I D 1
95
( P D )GP H 2/ I D 2
B K L _ E N [ 1 1 ]
96
( P D )GP H 3/ I D 3
H S P I _C E # [ 1 3]
97
( P D )GP H 4/ I D 4
H S P I _S C L K [ 1 3]
98
( P D )GP H 5/ I D 5
H S P I _M S O [ 1 3 ]
99
( P D )GP H 6/ I D 6
H S P I _M S I [ 1 3 ]
10 7
( P D )GP G 1/ I D 7
D D _ ON [ 26 , 3 1 , 32 ]
82
83
R 3 06
*0 _ 0 4
OC P P E # [ 1 8]
84
R 3 15
*0 _ 0 4
11/04
10/29
35
R S MR S T # [ 1 5 ]
17
K B C _R S T # [ 1 8 ]
47
C P U _ F A N S E N [ 3 0]
48
H _ P R O C H OT _ E C [ 3 ]
R 3 3 0
0_ 0 4
P M _P C H _ P W R OK [ 1 5 ]
12 0
P MP C H _ P W R OK _ R
R 3 3 6
*0 _ 0 4
V C OR E _ O N [ 3 6 ]
12 4
A L L _S Y S _ P W R G D [ 1 1 , 1 5, 3 6 ]
11 9
R 3 29
0 _0 4
( P D )C R X / GP C 0
C E L L _C ON TR OL [ 3 8 ]
12 3
P ME # _ R
R 3 35
*0 _ 04
( P D )C TX / G P B 2
P M E # [ 17 ]
R 3 31
0 _0 4
L A N _ P C I E _W A K E # [ 24 ]
19
S W I # [ 1 5 ]
11 2
C H G_ E N [ 38 ]
CLO CK
2
C K 3 2 K E
*0 _ 04
R 3 2 6
N B _E N A V D D [ 1 1, 1 6 ]
C K 3 2K E
12 8
C K 3 2 K
C K 3 2K
R 3 2 7
*1 0 M_ 0 6
X 4
*M C -1 4 6_ 3 2 . 76 8 K H z
1
4
2
3
X 5
* C M -20 0 S _ 32 . 7 6 8K H z
R 33 3
1
4
2
3
0 _ 04
C 26 2
C 2 6 5
*1 5 p _5 0 V _ N P O _0 4
*1 5 p _5 0 V _ N P O_ 0 4
MC-146 & C M200S
Co-layout
[ 3 , 9 , 1 0, 1 1 , 1 2, 1 3 , 1 4, 1 5 , 1 6, 1 7 , 1 8, 19 , 2 0, 23 , 2 4 , 25 , 2 8 , 29 , 3 0 , 31 , 3 6 ]
V D D 3
R N 1 1
MO DE L_I D
R A
2 . 2 K _8 P 4 R _ 0 4
S MC _ B A T
4
5
V 1. 0
1 0K
S MD _ B A T
3
6
R 29 9
2
7
1
8
1 0 0K _ 0 4
X
K B C _ W R E S E T #
R N 1 0
V D D 3
1 0 K _8 P 4 R _ 0 4
B A T _ D E T
4
5
M OD E L_ I D
C 23 8
R 29 2
3
6
A P _ K E Y #
R 29 3
0 . 1 u_ 1 6 V _Y 5 V _0 4
3 G_ D E T #
2
7
1
8
C C D _ D E T #
11/02
P C L K _ K B C
R 3 1 2
*1 0_ 0 4
P C LK _ K B C _R
C 2 4 6
B A T_ V O LT
C 2 1 7
A C _ I N #
C 2 5 8
Co-lay SPI ROM
V D D 3
U 3 1
8
5
K B C _ S P I _ S I _ R
V D D
S I
2
K B C _ S P I _ S O_ R
S O
K B C _ F L A S H
3
1
K B C _ S P I _ C E # _ R
W P #
C E #
6
K B C _ S P I _ S C L K _ R
S C K
K B C _ H O LD #
7
4
H OL D #
V S S
M X 25 L 3 20 6 E
P C B F o ot p ri nt = A C A -S P I -0 0 4-T 0 3
11/0 1
V D D 3
C 2 88
8 Mb it
KBC_SPI_*_R = 0.1"~0.5"
0 . 1u _ 1 6V _ Y 5V _ 0 4
U 3 0
8
5
K B C _ S P I _ S I _ R
R 3 66
47 _ 0 4
V D D
S I
2
K B C _ S P I _ S O_ R
R 3 55
15 _ 1 %_ 0 4
S O
1
K B C _ S P I _ C E # _ R
R 3 42
15 _ 1 %_ 0 4
C E #
R 3 6 0 1 K _ 0 4
6
K B C _ S P I _ S C L K _ R
R 3 59
47 _ 0 4
S C K
K B C _ F L A S H
3
W P #
R 3 4 6 4 . 7 K _ 04
K B C _ H O LD #
7
4
K B C _ S P I _ S I
C 30 3
H OL D #
V S S
K B C _ S P I _ S O
C 29 0
K B C _ S P I _ C E #
* S S T 2 5V F 0 8 0 B S O8
C 28 4
K B C _ S P I _ S C L K
C 29 7
V D D 3
J _8 0 D E B U G1
R 3 5 3
1
3 I N 1
1 00 K _ 0 4
2
8 0C LK
3
8 0D E T #
8 0D E T #
4
5
*8 8 26 6 -0 50 0 1
11/29
[ 13 , 2 2 , 24 , 3 1 , 32 , 3 8 ]
V D D 3
3. 3 V S
RB
X
W 24 0H U
W 25 0H UQ
10K
W 27 0H UQ
V D D 3
RA
1 0K _0 4
*1 0 K _ 04
RB
*1 0 p _5 0 V _ N P O _0 6
1 u _6 . 3 V _ Y 5 V _ 04
0 . 1 u_ 1 6V _Y 5V _0 4
K B C_ S P I _ S I
K B C_ S P I _ S O
K B C_ S P I _ C E #
K B C_ S P I _ S C LK
*3 3p _ 5 0V _N P O_ 0 4
*3 3p _ 5 0V _N P O_ 0 4
*3 3p _ 5 0V _N P O_ 0 4
*3 3p _ 5 0V _N P O_ 0 4
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