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Schematic Diagrams
KBC-ITE IT8518
VDD3
18
18
18
Sheet 27 of 43
½ÐEC Pin 78
³]¸m¬°HI enable
KBC-ITE IT8518
11
BRIGHTNESS
B - 28 KBC-ITE IT8518
C222
C266
C211
C264
C256
0.1u_16V_Y 5V_04
10u_10V_Y 5V_08
0.1u_16V_Y 5V_04
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
L21
HCB1005KF-121T20
EC_VCC
3.3VS
C252
0.1u_16V_Y 5V_04
U23
10
13,23
LPC_AD0
LAD0
9
13,23
LPC_AD1
LAD1
8
13,23
LPC_AD2
LAD2
7
13,23
LPC_AD3
LAD3
PCLK_KBC
13
17
PCLK_KBC
6
LPCCLK
13,23
LPC_FRAME#
LFRAME#
5
LPC
K/B MATRIX
13,23
SERIRQ
SERIRQ
22
17,22,24,26
BUF_PLT_RST#
LPCRST#/WUI4/GPD2( PU )
14
KBC_WRESET#
WRST#
126
R758
*10mil_04
GA20
GA20/GPB5
4
38
AC_IN#
KBRST#/GPB6( PU )
16
28
LED_ACIN
PWUREQ#/GPC7( PU )
20
*0_04
R300
15,17
AC_PRESENT
L80LLAT/GPE7( PU )
*0_04
R303
15
PM_PCH_PWROK
23
R759
*10mil_04
SMI#
ECSCI#/GPD3( PU )
15
R760
*10mil_04
SCI#
ECSMI#/GPD4( PU )
DAC
76
22,28
WLAN_EN
GPJ0
77
29
KBC_MUTE#
GPJ1
78
13
ME_WE
DAC2/GPJ2
79
30
CPU_FAN
DAC3/GPJ3
80
IT8518
30
WEB_WWW#
DAC4/GPJ4
81
DAC5/GPJ5
ADC
FLASH
66
BAT_DET
38
BAT_DET
ADC0/GPI0
BAT_VOLT
67
38
BAT_VOLT
ADC1/GPI1
AP_KEY #
68
30
AP_KEY#
69
ADC2/GPI2
2
THERM_VOLT
ADC3/GPI3
70
38
TOTAL_CUR
ADC4/GPI4
3G_DET#
71
23
3G_DET#
ADC5/GPI5
CCD_DET#
72
23
CCD_DET#
ADC6/GPI6
( PD )FLRST#/WUI7/GPG0/TM
73
MODEL_ID
ADC7/GPI7
GPIO
SMBUS
110
SMC_BAT
38
SMC_BAT
SMCLK0/GPB3
111
SMD_BAT
38
SMD_BAT
SMDAT0/GPB4
115
SMCLK1/GPC1
R606
43_1%_04
116
3,18
H_PECI
117
SMDAT1/GPC2
14,23
SMC_CPU_THERM
SMCLK2/GPF6( PU )
118
R328
*0_04
14,23
SMD_CPU_THERM
SMDAT2/GPF7( PU )
PWM
24
LCD_BRIGHTNESS
PWM0/GPA0( PU )
25
29
KBC_BEEP
PWM1/GPA1( PU )
28
28
LED_SCROLL#
29
PWM2/GPA2( PU )
LOW ACTIVE
EXT GPIO
28
LED_NUM#
PWM3/GPA3( PU )
30
28
LED_CAP#
PWM4/GPA4( PU )
31
28
LED_BAT_CHG
PWM5/GPA5( PU )
32
HIGH ACTIVE
28
LED_BAT_FULL
34
PWM6/GPA6( PU )
28
LED_PWR
PWM7/GPA7( PU )
WAKE UP
PS/2
80CLK
85
22
80CLK
PS2CLK0/GPF0( PU )
( PD )LPCPD#/WUI6/GPE6
86
22
BT_DET#
PS2DAT0/GPF1( PU )
87
PWM/COUNTER
22
3IN1
PS2CLK1/GPF2( PU )
88
30
WEB_EMAIL#
89
PS2DAT1/GPF3( PU )
30
TP_CLK
PS2CLK2/GPF4( PU )
90
30
TP_DATA
PS2DAT2/GPF5( PU )
( PD )TMRI0/WUI2/GPC4
WAKE UP
125
( PD )TMRI1/WUI3/GPC6
23
3G_EN
PWRSW/GPE4( PU )
CIR
18
31
PWR_SW#
RI1#/WUI0/GPD0( PU )
21
11,30
LID_SW#
RI2#/WUI1/GPD1( PU )
GP INTERRUPT
LPC/WAKE UP
33
15
PWR_BTN#
GINT/GPD5( PU )
( PD )RING#/PWRFAIL#/LPCRST#/GPB7
UART
108
22
WLAN_POWER_EN
109
RXD/GPB0( PU )
22
WLAN_DET#
TXD/GPB1( PU )
IT8518E/HX
EC_VSS
C250
0.1u_16V_Y 5V_04
NC2
*NC_04
R288
*10mil_04
LCD_BRIGHTNESS
KBC_AGND
KBC_AVDD
L19
HCB1005KF-121T20
VDD3
C234
C233
C232
0.1u_16V_Y 5V_04
*0.1u_16V_Y5V_04
*0.1u_16V_Y5V_04
KBC_AGND
1
24
J_KB1
W24EU/W27EU
J_KB2
W25EU
J_KB1
85208-24051
*85208-24051
58
KB-SI0
4
KB-SI0
4
KSI0/STB#
59
KB-SI1
5
KB-SI1
5
KSI1/AFD#
60
6
6
KB-SI2
KB-SI2
KSI2/INIT#
61
KB-SI3
8
KB-SI3
8
KSI3/SLIN#
62
KB-SI4
11
KB-SI4
11
KSI4
63
12
12
KB-SI5
KB-SI5
KSI5
64
KB-SI6
14
KB-SI6
14
KSI6
65
KB-SI7
15
KB-SI7
15
KSI7
36
1
1
KB-SO0
KB-SO0
KSO0/PD0
37
KB-SO1
2
KB-SO1
2
KSO1/PD1
38
KB-SO2
3
KB-SO2
3
KSO2/PD2
39
KB-SO3
7
KB-SO3
7
KSO3/PD3
40
9
9
KB-SO4
KB-SO4
KSO4/PD4
41
KB-SO5
10
KB-SO5
10
KSO5/PD5
42
KB-SO6
13
KB-SO6
13
KSO6/PD6
43
16
16
KB-SO7
KB-SO7
KSO7/PD7
44
17
17
KB-SO8
KB-SO8
KSO8/ACK#
45
KB-SO9
18
KB-SO9
18
KSO9/BUSY
46
KB-SO10
19
KB-SO10
19
KSO10/PE
51
20
20
KB-SO11
KB-SO11
KSO11/ERR#
52
KB-SO12
21
KB-SO12
21
KSO12/SLCT
53
KB-SO13
22
KB-SO13
22
KSO13
54
KB-SO14
23
KB-SO14
23
KSO14
55
24
24
KB-SO15
KB-SO15
KSO15
100
FLFRAME#/GPG2
3G_PWR_EN 23
101
KBC_SPI_CE#
FLAD0/SCE#
102
KBC_SPI_SI
FLAD1/SI
103
KBC_SPI_SO
PMPCH_PWROK_R
R330
FLAD2/SO
104
FLAD3/GPG6
105
KBC_SPI_SCLK
FLCLK/SCK
106
CCD_EN 23
56
1
SUSB#
6,15,31
( PD )KSO16/GPC3
57
( PD )KSO17/GPC5
SUSC#
15,33
2
SUSB#
93
SUS_PWR_ACK 15
( PD )GPH0/ID0
94
BT_EN
22,28
( PD )GPH1/ID1
95
( PD )GPH2/ID2
BKL_EN
11
96
SPI_CS#
( PD )GPH3/ID3
97
R772
33_04
SPI_SCLK_R 13
( PD )GPH4/ID4
98
R773
33_04
( PD )GPH5/ID5
SPI_SO_R 13
99
R774
33_04
( PD )GPH6/ID6
SPI_SI_R 13
107
( PD )GPG1/ID7
DD_ON
30,31,32
82
( PD )EGAD/GPE1
USB_CHARGE_EN 31,32
83
EC_RESET 38
( PD )EGCS#/GPE2
84
( PD )EGCLK/GPE3
35
RSMRST# 15
( PD )WUI5/GPE5
17
R761
*10mil_04
KBC_RST# 18
47
CPU_FANSEN 30
( PD )TACH0/GPD6
48
( PD )TACH1/GPD7
H_PROCHOT_EC 3
120
PMPCH_PWROK_R
R336
*0_04
VCORE_ON 36
124
ALL_SY S_PWRGD 11,15,36
119
USB_CHR_DET
( PD )CRX/GPC0
123
PME#_R
R335
*0_04
PME#
17
( PD )CTX/GPB2
R331
*10mil_04
LAN_PCIE_WAKE# 24
19
SWI#
15
( PD )L80HLAT/GPE0
112
CLOCK
2
CK32KE
R326
*0_04
CK32KE
NB_ENAVDD 11,16
128
CK32K
CK32K
R333
*10mil_04
Single ROM
R792
*0_04
13
SPI_CS0#_R
R793
0_04
13
SPI_CS1#_R
Dual ROM (4M+2M)
2,3,6,11,13,14,15,17,18,19,20,22,23,26,28,31,33,34,35
3,9,10,11,12,13,14,15,16,17,18,19,20,23,24,25,28,29,30,31,36
VDD3
RN11
MODEL_ID
Voltage
RA
2.2K_8P4R_04
SMC_BAT
4
5
3
6
SMD_BAT
W240EU
3.3V
10K
2
7
1
8
W243EU
2.18V
5.1K
RN10
10K_8P4R_04
BAT_DET
4
5
W250EU
0V
X
3
6
AP_KEY#
3G_DET#
2
7
CCD_DET#
1
8
W270EU
1.65V
10K
W/ USB CHARGER: High
VDD3
RA
USB_CHR_DET
R770
*10K_04
MODEL_ID
R292
10K_04
R771
10K_04
R293
*10K_04
W/O USB CHARGER: Low (Default)
RB
VDD3
PCLK_KBC
R312
*10_04
PCLK_KBC_R
C246
R299
100K_04
BAT_VOLT
C217
KBC_WRESET#
AC_IN#
C258
C238
0.1u_16V_Y5V_04
Share ROM ¥Î¦¹®Æ
Co-lay SPI ROM
VDD3
U31
8
5
KBC_SPI_SI_R
VDD
SI
2
0_04
KBC_SPI_SO_R
PM_PCH_PWROK 15
SO
3.3V
KBC_FLASH
3
1
KBC_SPI_CE#_R
WP#
CE#
6
KBC_SPI_SCLK_R
SCK
KBC_HOLD#
7
4
4
HOLD#
VSS
MX25L3206E
PCB Footprint = ACA-SPI-004-T03
U50
*74AHC1G08GW
BIOS + EC ROM
VDD3
C288
8Mbit
KBC_SPI_*_R = 0.1"~0.5"
0.1u_16V_Y 5V_04
U30
8
5
KBC_SPI_SI_R
R366
*10mil_04
VDD
SI
2
KBC_SPI_SO_R
R355
*10mil_04
SO
1
KBC_SPI_CE#_R
R342
*10mil_04
CE#
6
R360 1K_04
KBC_SPI_SCLK_R
R359
*10mil_04
SCK
KBC_FLASH
3
WP#
R346 4.7K_04
KBC_HOLD#
7
4
HOLD#
VSS
*SST25VF080B SO8
KBC_SPI_SI
C303 *33p_50V_NPO_04
KBC_SPI_SO
C290 *33p_50V_NPO_04
KBC_SPI_CE#
It will be removed after PVT phase
C284 *33p_50V_NPO_04
KBC_SPI_SCLK
C297 *33p_50V_NPO_04
VDD3
J_80DEBUG1
R353
1
3IN1
10K_04
2
80CLK
3
80DET#
80DET#
4
5
88266-05001
SPI_CS#
3.3V
13,22,23,24,26,30,31,32,38
VDD3
3.3VS
RB
X
10K
10K
10K
VDD3
*10p_50V_NPO_04
1u_6.3V_X5R_04
0.1u_16V_Y 5V_04
KBC_SPI_SI
KBC_SPI_SO
KBC_SPI_CE#
KBC_SPI_SCLK
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