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Schematic Diagrams
s
m
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Sheet 27 of 41
g
i a
KBC- ITE IT8518
D
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c
S
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B
B - 28 KBC- ITE IT8518
KBC- ITE IT8518
R 50 1
* 1 5 m i l _ sh o rt_ 06
V DD3
C7 4 1
C7 4 2
C7 4 3
0.1 u _ 16 V_ Y 5 V _ 0 4
1 0u _ 10 V_ Y 5 V _ 0 8
0 .1u _ 1 6V _ Y 5V _ 0 4
L 11 8
.
HC B 1 00 5 KF -1 21 T 2 0
3 .3 VS
1 5,1 9
L P C _A D 0
1 5,1 9
L P C _A D 1
1 5,1 9
L P C _A D 2
1 5,1 9
L P C _A D 3
15 ,1 6
LP C _ CL K0
R 7 8 5
* 0 _0 4
1 5 ,19 ,2 3 ,24 ,2 6
BUF _ P L T_ R ST#
1 5 ,19
L P C_ F R AME #
1 5,1 9
S E RIR Q
R 7 8 6
0_ 0 4
1 5
E C_ RST #
KB C _W RE S ET #
G A20
1 6
GA2 0
1 6,2 9 ,3 7
AC_ IN #
2 8
LE D _ A CIN
R 7 97
3 ,1 7
AP U_ T A L E RT #
( S MI# )
1 6,2 6
E C_ S MI#
( S CI# )
1 6
E C_ S CI#
W L A N _E N
2 4 ,28
W L A N _E N
2 5
K B C _ MUT E #
M E_W E #
2 9
CP U _F A N
( W E B 1 #)
2 9
W EB _E MA IL #
VG A _F A N
C8 5 5
0 .1u _ 1 6V_ Y 5V _ 0 4
BA T _ DE T
3 7
B A T _ DET
BA T _ V OL T
3 7
B A T _ V OL T
( A P KE Y # )
2 9
AP _KE Y #
2
TH ERM _V OL T
L A N_ P C IE _W AK E #
2 3
L AN_ P CIE_ W A KE #
3 G_ DE T#
2 2
3 G_ DET #
C CD_ D ET#
2 2
CCD _ DET #
M ODE L_ ID
S MC _ B AT
37
S MC _BA T
S MD _ B AT
37
S MD _BA T
S MC _ V GA _ T HE RM
1 0
S MC _ V GA_ T HE R M
S MD _ V GA _ T HE RM
1 0
S MD _ V GA_ T HE R M
R 70 8
0 _ 0 4
3,1 6 ,1 7
S M C_ CP U_ TH E RM
R 70 9
0 _ 0 4
3,1 6 ,1 7
S M D_ CP U_ TH E RM
H _P EC I
R 52 3
* 0 _0 4
L CD_ BR IGH TN E S S
K BC_ BE E P
( B E EP )
25
K B C_ B EE P
28
L ED_ SC ROL L #
2 8
L E D _N UM #
2 8
L ED _C AP #
2 8
LED _ B AT _C HG
2 8
L ED_ BA T _ F UL L
Pin8 73IN1multi
2 8
L E D_ P W R
functionpin
8 0 CL K
2 4
80 CL K
2 4,2 8
B T_ DET #
R 7 8 7
1 K _ 0 4
8 0 DE T #
( 80 P O RT _D ET #)
2 4
3 IN1
( W E B 2 #)
2 9
W E B _ W W W #
2 9
T P _ CL K
2 9
T P_ DAT A
2 2
3G _E N
3 0
P W R_ S W #
16 ,2 0 ,29
L ID_ S W #
1 6
P W R_ B T N#
R 83 0
* 0 _0 4
1 0
VG A _ AL E RT #
R 82 9
* 0 _0 4
2 4,2 8
W L AN_ L E D#
2 4
W L A N_ DET #
WEB1#---WEB_E MAIL#
WEB2#---WEB_WWW#
0 _ 0 4 F O R I T 8 5 1 2 C X / E X
R 5 33
0 . 1 U _ 0 4 F O R I T E 8 5 1 2 - J ( I T E 8 5 0 2 - J
W / 0 C I R )
C 7 5 3
E C C o s t D o w n
R 5 3 5
* 1 0 m i l _ s h ort_ 0 4
L C D_ B RIG HT NE SS
2 0
B R IGH TN E SS
C 7 5 6
* 0 . 1 u _ 1 6 V _ Y 5 V _ 0 4
K B C _ A V DD
L 1 17
H CB 1 0 05 KF -1 2 1T 2 0
.
C 74 4
C 74 7
C8 5 6
C7 4 5
0 .1 u_ 1 6V _Y 5V_ 0 4
0 .1 u_ 1 6 V_Y 5 V _0 4
0.1 u _ 16 V _ Y 5 V_ 0 4
*0 .1 u_ 1 6 V _Y 5 V_0 4
C 74 8
0 .1 u_ 1 6 V _Y 5 V _0 4
K BC _ A GND
E C _ V C C
FOR W240BU
4
7
1
6
0
2
1
2
2
1
4
1
2
5
9
1
1
1
3
7
U3 8
C
Y
Y
T
C
Y
Y
Y
Y
10
C
B
A
C
5 8
B
B
B
B
B
KB -S I0
B
V
L A D 0
T
T
T
T
T
T
K SI0 /ST B #
9
V
5 9
KB -S I1
V
S
S
S
S
S
S
A
L A D 1
K S I1 /A F D #
8
V
V
V
V
V
V
6 0
KB -S I2
L A D 2
K S I2/IN IT #
7
6 1
KB -S I3
L A D 3
K S I3/S L IN #
13
6 2
KB -S I4
L P C CL K
K S I 4
6
6 3
KB -S I5
L F R A ME #
K S I 5
5
6 4
KB -S I6
LPC
K/B MATRIX
22
S E R I R Q
K S I 6
6 5
KB -S I7
L P C RST #/ W UI4 /GPD 2 ( PU )
K S I 7
14
3 6
KB -S O0
W R ST #
K SO0 /P D 0
3 7
KB -S O1
1 26
K SO1 /P D 1
3 8
KB -S O2
G A2 0/G PB 5
K SO2 /P D 2
4
3 9
KB -S O3
16
KB R S T #/G P B6 ( PU )
K SO3 /P D 3
4 0
KB -S O4
PW U RE Q # /GP C 7( P U )
K SO4 /P D 4
0 _ 04
20
4 1
KB -S O5
L 8 0 L L AT /GP E7 ( PU )
K SO5 /P D 5
4 2
KB -S O6
K SO6 /P D 6
23
4 3
KB -S O7
EC S CI# /G P D3 ( PU )
K SO7 /P D 7
15
4 4
KB -S O8
EC S MI# /G P D4 ( PU )
K SO8 /A C K #
4 5
KB -S O9
K SO 9/B U SY
4 6
KB -S O1 0
DAC
K SO 10 /PE
76
5 1
KB -S O1 1
G PJ 0
K S O1 1 /E RR #
77
5 2
KB -S O1 2
78
G PJ 1
K S O 1 2/S L C T
5 3
KB -S O1 3
D AC2 /GPJ 2
KS O 1 3
C PU_ F A N
79
5 4
KB -S O1 4
80
D AC3 /GPJ 3
KS O 1 4
5 5
KB -S O1 5
IT8518
D AC4 /GPJ 4
KS O 1 5
81
D AC5 /GPJ 5
ADC
FLASH
66
1 0 0
( 3 G_ P W R_ E N )
A D C 0 / G P I 0
F L F RA M E# /GP G 2
67
1 0 1
K B C _ S P I_C E #
A D C 1 / G P I 1
F L AD0 /S C E #
68
1 0 2
K B C _ S P I_S I
A D C 2 / G P I 2
F L A D1 /S I
69
1 0 3
K B C _ S P I_S O
A D C 3 / G P I 3
F L A D2 /SO
70
1 0 4
( V C H G - S E L )
A D C 4 / G P I 4
F LA D 3 /GPG 6
71
1 0 5
KB C_ S P I_ SCL K
A D C 5 / G P I 5
F LC L K /S CK
72
1 0 6
A D C 6 / G P I 6
( PD )F L R S T# /W U I7/G P G0 /T M
73
A D C 7 / G P I 7
GPIO
5 6
SMBUS
( P D )K S O1 6 /GP C 3
1 10
5 7
1 11
SM CL K0 /GP B3
( P D )K S O1 7 /GP C 5
SM DA T 0 /GP B4
1 15
9 3
1 16
SM CL K1 /GP C 1
( PD )G P H0 /ID 0
9 4
SM DA T 1 /GP C 2
( PD )G P H1 /ID 1
1 17
9 5
1 18
SM CL K2 /GP F 6 ( PU )
( PD )G P H2 /ID 2
9 6
SM DA T 2 /GP F 7 ( PU )
( PD )G P H3 /ID 3
9 7
( PD )G P H4 /ID 4
9 8
PWM
( PD )G P H5 /ID 5
24
9 9
PW M 0 /GP A0 ( PU )
( PD )G P H6 /ID 6
25
1 0 7
PW M 1 /GP A1 ( PU )
( PD )G P G1 /ID 7
28
PW M 2 /GP A2 ( PU )
29
EXT GPIO
PW M 3 /GP A3 ( PU )
30
8 2
EGA D
PW M 4 /GP A4 ( PU )
( P D ) E G A D / G P E 1
31
8 3
32
PW M 5 /GP A5 ( PU )
( P D )E G C S # /GP E 2
8 4
PW M 6 /GP A6 ( PU )
( P D )E G CL K /GP E 3
34
PW M 7 /GP A7 ( PU )
WAK E UP
3 5
PS/2
85
( P D ) W U I 5 / G P E 5
1 7
PS 2 C LK 0 /G PF 0( P U )
( P D )L P CP D # /W U I6 /GP E 6
86
87
PS 2 D AT0 /G PF 1( P U )
PWM/COUNTER
PS 2 C LK 1 /G PF 2( P U )
88
4 7
PS 2 D AT1 /G PF 3( P U )
( P D )T ACH 0 /GP D 6
89
4 8
VGA _ F A NS E N
PS 2 C LK 2 /G PF 4( P U )
( P D )T ACH 1 /GP D 7
90
PS 2 D AT2 /G PF 5( P U )
1 2 0
( P D )T MR I0/W U I2 /GP C 4
WAK E UP
1 2 4
( P M_ P W RO K )
( P D )T MR I1/W U I3 /GP C 6
1 25
PW R S W /G P E 4( P U )
CIR
18
1 1 9
21
R I1# /W U I0 /GP D 0( P U )
( P D )CR X /GP C 0
1 2 3
( K BC_ PME # )
P ME#
R I2# /W U I1 /GP D 1( P U )
( P D )C TX /GP B2
GP I NTERRUP T
LPC/WAKE UP
33
1 9
S W I #
G INT /GP D 5 ( P U )
( P D )L 80 HL AT /GP E 0
1 1 2
C H G _ E N
( P D )R ING #/P W RF A IL # /L PCRS T# /GP B7
UART
1 08
CLOCK
R XD /GP B0 ( PU )
1 09
2
S
CK 3 2 K E
T X D/G P B1 ( PU )
S
S
S
S
S
S
S
S
C K 32 KE
1 2 8
CK 3 2 K
S
S
S
S
S
S
S
V
C K3 2K
V
V
V
V
V
V
V
A
R 5 3 1
IT8 5 1 8E
1
2
7
9
1
3
2
5
1
2
4
9
1
2
7
1
1
X1 0
EC_ VS S
1
* 0 _0 4
R 5 3 4
* 1 0 m i l _ s h o r t
2
0 . 1 u _ 1 6 V _ Y 5 V _ 0 4
C7 5 4
* 12 p _5 0 V _ NP O _0 4
N C 2
S H O R T
* MC -14 6 _3 2 .7 68 KH z
6-22-32R76-0B4
K BC_ AG ND
R534F or IT 8518BX&
IT8519BX Only.
V D D3
U 37
8
5
K BC _SP I _S I_ R
V DD 3
V D D
SI
2
K BC _SP I _S O _ R
S O
1
K BC _SP I _C E # _R
C 7 46
CE #
6
K BC _SP I _S C L K _ R
S C K
KB C _ F LAS H
3
* 0 . 1u _ 1 6V _ Y5 V _ 0 4
W P #
KB C _ HOL D #
7
4
H O L D #
VS S
FOR W250BUQ
* A T 25 F 5 1 2A N
For 8502 E
J _ K B 1
J _K B 2
U9 U 28 Co-l ayout
8 52 0 1 -24 0 5 1
* 8 52 0 1- 24 0 51
4
4
K B -S I0
1
24
5
K B -S I1
5
J_KB1
6
K B -S I2
6
8
K B -S I3
8
11
K B -S I4
1 1
12
K B -S I5
1 2
EC MODULE CHOOS E ( FOR DIFFERENCE K/B TYPE)
14
K B -S I6
1 4
15
1 5
K B -S I7
VER .
RX
1
1
K B -S O0
V1. 0
R 5 0 3 1 0 K / R 5 0 4 X
2
K B -S O1
2
3
3
K B -S O2
V2. 0
R 5 0 3 X / R 5 0 4 1 0 K
7
K B -S O3
7
9
9
K B -S O4
V2. 0
R 5 0 3 1 0 K / R 5 0 4 1 0 K
10
K B -S O5
1 0
13
1 3
K B -S O6
16
K B -S O7
1 6
17
K B -S O8
1 7
MO DE L _ ID
18
K B -S O9
1 8
19
K B -S O1 0
1 9
20
K B -S O1 1
2 0
21
K B -S O1 2
2 1
22
2 2
K B -S O1 3
23
K B -S O1 4
2 3
24
2 4
K B -S O1 5
V DD3
SM D_ BA T
R 8 0 8
2. 2 K _ 0 4
3G _D E T #
3 G_ POW E R
2 2
SM C_ BA T
R 8 0 9
2. 2 K _ 0 4
Pin10 0,104 &106E XT ? ? Pull hi
CCD _ DE T #
& Pull Low.
V CHG _ S E L 37
C C D _ E N
2 2
W L A N_ L ED#
S U S B #
1 6 , 1 9 , 2 6 , 3 0
S U S C #
1 6 , 3 0 , 3 2
B T _ E N
2 4 , 2 8
B K L _ E N
2 0
H S PI_ CE # 1 7
HS PI_ S C LK 1 7
V D D 3
80PORT
HS PI_ MS O 1 7
HS PI_ MS I 17
J_ 8 0D E BUG 1
DD _O N
2 9 ,3 0,3 1
5
3 IN 1
4
8 0 CL K
3
80 D E T#
R 5 1 4
1 0 K _0 4
O C P P E #
2 6
2
I C P P E#
2 6
1
*8 52 0 5 -05 0 0 1
12/6 Revers e
RS M RS T _ GA T E # 16
K B C_ RST # 1 6
AL L _S Y S_ P W RG D
1 9 ,20
For 8512E
CP U _F AN S E N
29
V D D 3
C7 5 2
KBC_SPI_*_R = 0.1"~0.5"
0 .1 u _1 6 V _ Y5 V _ 04
V CO RE _ ON
3 5
U 3 9
8
5
KB C _S P I_SI _R
R 7 1 0
0 _ 0 4
V D D
S I
2
K B C _S P I _ S O _ R
? ? ?
CE L L _ C ON TR OL
3 7
S O
R5 2 8 1 K _ 0 4
K B C_ F LA S H
3
1
KB C _S P I_C E# _R
W P #
CE#
6
KB C _S P I_SC L K _R
16
S C K
R5 3 2 4 .7 K _ 04
K B C_ HO LD #
7
4
3 7
H OL D#
V SS
U3 7 U39Co-l ayou t
P C T 25 VF 0 1 6B -75 -4 I-S 2 A F
* 1 0 M _ 0 4
4
C K 3 2K E
3
C K 3 2K
C 7 55
C o-l ayout X2, X3
* 12 p _ 50 V _ NP O _ 04
1
4
X 1 1
2
3
* 1T J S 1 25 D J4 A 4 2 0P _ 3 2 .76 8 K Hz
6-22-32R76 - 0B2
6-22-32R76 - 0BG
V D D 3
R 50 2
1 0 0K _0 4
KB C _W R E S ET #
C 74 9
1 u _6 .3 V_ X5 R _0 4
VOLT AGE
MOD EL_ID
3.3V
W 2 40 B U
0V
W 2 50 B U
1.65V
W 2 5 0 B AQ
R 5 0 3
1 0 K _ 04
VD D3
R5 0 4
* 1 0K _ 0 4
RX
V D D3
R 5 0 5
1 0 K _ 0 4
R 5 0 6
1 0 K _ 0 4
3 .3 VS
R 5 0 7
* 1 0 K _ 0 4
B A T _VO L T
C7 5 1 1 u _6 .3 V _ X5 R _0 4
KB C _S P I_ SI
R 5 2 6
4 7 _ 0 4
K B C _S P I _ S O
R 5 2 7
1 5 _ 1 % _ 0 4
KB C _S P I_ C E#
R 5 2 9
1 5 _ 1 % _ 0 4
KB C _S P I_ SC LK
R 5 3 0
4 7 _ 0 4
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