Table of Contents
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KBC-ITE IT8587
VDD3
C656
C391
C342
C410
10u_10V_Y5V_08
0.1u_10V_X7R_04
0.1u_10V_X7R_04
0.1u_10V_X7R_04
C650
0.1u_10V_X7R_04
3.3VS
U35
10
21,30
LPC_AD0
LAD0
9
21,30
LPC_AD1
LAD1
8
21,30
LPC_AD2
7
LAD2
21,30
LPC_AD3
13
LAD3
28
PCLK_KBC
LPCCLK
6
21,30
LPC_FRAME#
LFRAME#
5
21,30
SERIRQ
SERIRQ
22
23,29,32,33
BUF_PLT_RST#
LPCRST#/WUI4/GPD2( PU )
KBC_WRESET#
14
WRST#
126
24
GA20
GA20/GPB5
4
43
AC_IN#
KBRST#/GPB6( PU )
16
31
LED_ACIN
PWUREQ#/GPC7( PU )
20
22
AC_PRESENT
L80LLAT/GPE7( PU )
23
24
SMI#
ECSCI#/GPD3( PU )
15
24
SCI#
ECSMI#/GPD4( PU )
DAC
76
22
SUS_PWR_ACK
GPJ 0
77
35
KBC_MUTE#
GPJ 1
78
20
ME_WE
DAC2/GPJ2
CPU_FAN
79
34
CPU_FAN
DAC3/GPJ3
80
29
MINI_PWR_ON
DAC4/GPJ4
81
34
KBC_LED
DAC5/GPJ5
ADC
BAT_DET
66
36,43
BAT_DET
ADC0/GPI0
BAT_VOLT
67
36,43
BAT_VOLT
ADC1/GPI1
68
17
GPIO6_VBOOT_ADJ
69
ADC2/GPI2
2
THERM_VOLT
70
ADC3/GPI3
43
TOTAL_CUR
ADC4/GPI4
71
29
3G_DET#
ADC5/GPI5
72
22
PCH_SLP_WLAN_N
ADC6/GPI6
MODEL_ID
73
ADC7/GPI7
36,43
SMC_BAT
SMBUS
36,43
SMD_BAT
110
R246
0_04
11
SMC_EDP_CLK
SMCLK0/GPB3
111
R245
0_04
11
SMD_EDO_DAT
SMDAT0/GPB4
115
R242
0_04
17,21
SMC_VGA_THERM
SMCLK1/GPC1
R241
0_04
116
17,21
SMD_VGA_THERM
117
SMDAT1/GPC2
118
SMCLK2/GPF6( PU )
SMC_CPU_THERM
SMDAT2/GPF7( PU )
SMD_CPU_THERM
PWM
24
11
BRIGHTNESS
PWM0/GPA0( PU )
25
35
BEEP
28
PWM1/GPA1( PU )
30
LED_SCROLL#
PWM2/GPA2( PU )
29
30
LED_NUM#
PWM3/GPA3( PU )
30
30
LED_CAP#
PWM4/GPA4( PU )
31
31
LED_BAT_CHG
PWM5/GPA5( PU )
32
31
LED_BAT_FULL
PWM6/GPA6( PU )
34
31
LED_PWR
PWM7/GPA7( PU )
PS/2
85
29
80CLK
PS2CLK0/GPF0( PU )
86
29
BT_DET#
PS2DAT0/GPF1( PU )
87
29
3IN1
88
PS2CLK1/GPF2( PU )
29
3G_EN
PS2DAT1/GPF3( PU )
89
33
TP_CLK
PS2CLK2/GPF4( PU )
90
33
TP_DATA
PS2DAT2/GPF5( PU )
WAKE UP
125
14,17,42
GPIO_FB_CLAMP
PWRSW/GPE4( PU )
18
37
PWR_SW#
RI1#/WUI0/GPD0( PU )
21
12,30,33
LID_SW#
RI2#/WUI1/GPD1( PU )
GP INTERRUPT
33
22
PWR_BTN#
GINT/GPD5( PU )
UART
108
29
WLAN_DET#
109
RXD/GPB0( PU )
3
H_PROCHOT_EC
TXD/GPB1( PU )
IT8587E/FX
6-03-08587-FX
KBC_AVDD
L34
HCB1005KF-121T20
VDD3
SMC_CPU_THERM
C365
C364
SMC_CPU_THERM
SMD_CPU_THERM
0.1u_10V_X7R_04
*0.1u_10V_X7R_04
W650SR
KBC_AGND
1
24
J_KB1
J_KB1
85208-24051
58
4
KB-SI0
KSI0/STB#
59
KB-SI1
5
KSI1/AFD#
60
KB-SI2
6
KSI2/INIT#
61
8
KB-SI3
KSI3/SLIN#
62
11
KB-SI4
KSI4
63
12
KB-SI5
KSI5
64
KB-SI6
14
LPC
K/B MATRIX
KSI6
65
KB-SI7
15
KSI7
36
KB-SO0
1
KSO0/PD0
37
2
KB-SO1
KSO1/PD1
38
KB-SO2
3
KSO2/PD2
39
KB-SO3
7
KSO3/PD3
40
KB-SO4
9
KSO4/PD4
41
KB-SO5
10
KSO5/PD5
42
13
KB-SO6
KSO6/PD6
43
16
KB-SO7
KSO7/PD7
44
KB-SO8
17
KSO8/ACK#
45
KB-SO9
18
KSO9/BUSY
46
KB-SO10
19
KSO10/PE
51
20
KB-SO11
KSO11/ERR#
52
21
KB-SO12
KSO12/SLCT
53
KB-SO13
22
VDD3
KSO13
54
KB-SO14
23
KSO14
55
KB-SO15
24
IT8587
KSO15
FLASH
100
FLFRAME#/GPG2
101
HSPI_CE#
HSPI_CE# 21
FLAD0/SCE#
102
HSPI_MSI
HSPI_MSI 21
FLAD1/SI
103
HSPI_MSO
HSPI_MSO 21
FLAD2/SO
104
FLAD3/GPG6
AIRPLAN_LED# 31
105
HSPI_SCLK
FLCLK/SCK
HSPI_SCLK 21
106
( PD )FLRST#/WUI7/GPG0/TM
CCD_EN 30
GPIO
56
( PD )KSO16/GPC3
SUSB# 4,22,37,38
57
( PD )KSO17/GPC5
SUSC# 22,40
93
USB_CHARGE_EN 37,39
( PD )GPH0/ID0
94
( PD )GPH1/ID1
95
BKL_EN 12
( PD )GPH2/ID2
96
KBC_SPI_CE#
( PD )GPH3/ID3
97
KBC_SPI_SCLK
( PD )GPH4/ID4
98
KBC_SPI_SO
( PD )GPH5/ID5
99
KBC_SPI_SI
( PD )GPH6/ID6
107
DD_ON 30,37,39
( PD )GPG1/ID7
EXT GPIO
82
( PD )EGAD/GPE1
3G_POWER 29
83
R546
*10mil_short
( PD )EGCS#/GPE2
84
R526
*10mil_short
( PD )EGCLK/GPE3
WAKE UP
35
( PD )WUI5/GPE5
RSMRST# 22
17
( PD )LPCPD#/WUI6/GPE6
KBC_RST# 23,24
PWM/COUNTER
47
( PD )TACH0/GPD6
CPU_FANSEN 34
48
*0_04
R225
( PD )TACH1/GPD7
HDA_RST# 20,35
120
PM_PCH_PWROK 8,22
( PD )TMRI0/WUI2/GPC4
124
ALL_SY S_PWRGD 12,22,41
( PD )TMRI1/WUI3/GPC6
CIR
119
( PD )CRX/GPC0
NB_ENAVDD 12,23
123
( PD )CTX/GPB2
PME# 23,32
LPC/WAKE UP
19
( PD )L80HLAT/GPE0
SWI# 22
112
( PD )RING#/PWRFAIL#/LPCRST#/GPB7
PMOSFET_CONTROL# 43
CLOCK
2
R578 *0_04
CK32KE
128
CK32K
LED_POWER# 30
R577 10K_04
R234
*10mil_short
KBC_AGND
C649
0.1u_10V_X7R_04
Airplane ON
«G
Window s 8
Airplane OFF
¤£«G
3,6,9,10,11,12,19,20,21,22,23,24,26,27,28,29,30,31,32,33,34,35,37,41
36,43
SMC_BAT
R533
43.2_1%_04
H_PECI
H_PECI 3,24
R534
*0_04
SML1CLK 21
R535
*0_04
SML1DATA 21
36,43
SMD_BAT
W670SR
36,43
BAT_DET
J_KB2
*85208-24051
36,43
BAT_VOLT
4
KB-SI0
KB-SI1
5
KB-SI2
6
8
KB-SI3
11
KB-SI4
12
KB-SI5
KB-SI6
14
MODEL_ID
KB-SI7
15
V1.0
KB-SO0
1
2
KB-SO1
KB-SO2
3
KB-SO3
7
KB-SO4
9
KB-SO5
10
13
KB-SO6
16
KB-SO7
MODEL_ID
KB-SO8
17
KB-SO9
18
KB-SO10
19
20
KB-SO11
21
KB-SO12
KB-SO13
22
KB-SO14
23
For Sharkbay auto load code.
KB-SO15
24
¹w¨¾8587¶i¤Jtest mode.
R575
KBC_SPI_CE#
10K_04
KBC_SPI_SI
AUTO_LOAD_PWR 37
KBC_SPI_SO
Close to U35
R579
HSPI_CE#
R585 *10K_04
KBC_SPI_SCLK
1K_04
HSPI_MSI
R586 10K_04
HSPI_MSO
R587 *10K_04
HSPI_SCLK
R588 *10K_04
PJ 34
*CV-40mil
DD_ON
LOT6_CHG 43
80CLK
R590 *10K_04
3IN1
3G_DET#
SMC_BAT
SMD_BAT
VDD3
BAT_DET
R523
AC_IN#
dGPU_RST# 23
PCLK_KBC
R238
*10_04
Z2406
dGPU_PWR_EN# 23,42
100K_04
BAT_VOLT
CPU_FAN
KBC_WRESET#
C647
0.1u_10V_X7R_04
IT8587
PCB Footprint ACA-SPI-004-T03
¦¹¤è¶ô¤£¤W¥ó.
VDD3
KBC_SPI_*_R = 0.1"~0.5"
C671 *0.1u_10V_X7R_04
U38
8
5
KBC_SPI_SI_R
VDD
SI
R537
*47_04
2
KBC_SPI_SO_R
µL«OÅ@
SO
R538 *1K_04
R542
*15_1%_04
3
1
KBC_FLASH
KBC_SPI_CE#_R
WP#
CE#
R550
*15_1%_04
6
KBC_SPI_SCLK_R
SCK
R544 *4.7K_04
R541
*47_04
Z2407
7
4
HOLD#
VSS
U38
*A25LQ16
6-04-02516-A91
17,20,21,22,24,27,28,29,30,32,33,37,38,39,40,43
VDD3
2,3,12,17,20,24,25,27,28,29,31,33,35,37,38,40,42
3.3V
3.3VS
Schematic Diagrams
VDD3
C
AC
A
D22
BAV99 RECTIFIER
C
AC
A
D21
BAV99 RECTIFIER
C
AC
A
D8
BAV99 RECTIFIER
C
AC
A
D7
BAV99 RECTIFIER
RA
RB
10K
X
VDD3
RA
R230
10K_04
R231
*10K_04
Sheet 36 of 46
RB
KBC-ITE IT8587
R657
*10K_04
R656
*10K_04
R483
*10K_04
R519
*10K_04
VDD3
R530
*10K_04
R224
10K_04
R531
1.5K_04
R532
1.5K_04
R215
10K_04
C405
0.1u_10V_X7R_04
C375
*10p_50V_NPO_04
C344
1u_6.3V_X5R_04
C368
0.1u_10V_X7R_04
KBC_SPI_SI
C664
*33p_50V_NPO_04
KBC_SPI_SO
C667
*33p_50V_NPO_04
KBC_SPI_CE#
C674
*33p_50V_NPO_04
KBC_SPI_SCLK
C666
*33p_50V_NPO_04
KBC-ITE IT8587 B - 37
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