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KBC ITE IT8987E
5
ITE8987
18
AIRPLAN_LED#
VDD3
C256
C257
C297
C276
Modify,7/10 Max
10u_6.3V_X5R_06
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
Modify,7/18 Max
C30
PJ12
D02 to D02a
D
*OPEN-2mm
0.1u_16V_Y5V_04
2
1
3.3VA
PJ11
*OPEN-2mm
2
1
U20A
1.8VA
10
default
7,19
LPC_AD0
GPM0/LAD0
9
7,19
LPC_AD1
GPM1/LAD1
8
7,19
LPC_AD2
GPM2/LAD2
7
7,19
LPC_AD3
GPM3/LAD3
13
7
PCLK_KBC
GPM4/LPCCLK
6
7,19
LPC_FRAME#
GPM5/LFRAME#
5
7,19
SERIRQ
GPM6/SERIRQ
VDD3
22
LPC
8,11,19,20,21
BUF_PLT_RST#
GPD2/LPCRST#
R331
100K_04
KBC_WRESET#
14
VDD3
WRST#
C279
0.1u_16V_Y5V_04
R931
126
GPB5/GA20
10K_04
4
32
AC_IN#
GPB6/KBRST#
PWM_FAN
16
18
LED_ACIN
GPC7/PWUREQ#/BBO/SMCLK2ALT
FAN_DET
20
GPE7/L80LLAT
OPTION
FAN_DET
Modify,9/27 Tim
23
R932
24
SMI#
GPD3/ECSCI#
15
10K_04
24
SCI#
GPD4/ECSMI#
DC_FAN
LED_DET
77
DAC
GPG2/SSCE0#
ADD,9/21 Max
C
79
20
CPU_FAN
GPJ3/DAC3/TACH1B
C280
0.1u_16V_Y5V_04
ADC
66
32
BAT_DET
GPI0/ADC0
67
32
BAT_VOLT
GPI1/ADC1
69
3
THERM_VOLT
GPI3/ADC3
70
32
TOTAL_CUR
GPI4/ADC4
MODEL_ID
73
GPI7/ADC7/CTS1#
33--100 ohm
SMBUS
by Project
R312
47_04
110
32
SMC_BAT
GPB3/SMCLK0
111
R311
47_04
32
SMD_BAT
GPB4/SMDAT0
117
21
3G_RST#
GPF6/SMCLK2/PECI
Modify,9/21 Max
PWM
25
17
KBC_BEEP
GPA1/PWM1
31
18
LED_BAT_CHG
GPA5/PWM5
32
18
LED_BAT_FULL
GPA6/PWM6/SSCK
34
18
LED_PWR
GPA7/PWM7/RIG1#
PS/2
80CLK
85
GPF0/PS2CLK0/TMB0/CEC
3IN1
87
GPF2/PS2CLK1/DTR0#
86
19,26,27
USB_CHARGE_EN
GPF1/PS2DAT0/TMB1
OPTION
B
88
21
BT_EN
GPF3/PS2DAT1/RTS0#
OPTION
89
20
TP_CLK
GPF4/PS2CLK2
IT8887/IT8987:
90
20
TP_DATA
GPF5/PS2DAT2
1.8V/3/3V
by EC setting
WAKE UP
18
26
PWR_SW#
GPD0/RI1#
21
15,20
LID_SW#
GPD1/RI2#
GP INTERRUPT
33
8
PWR_BTN#
GPD5/GINT/CTS0#
Modify,8/1 Max
UART
108
25,26
PMIC_THERMTRIP#
GPB0/RXD/SIN0
109
8
H_PROCHOT_EC
GPB1/TXD/SOUT0
IT8987E
C275
0.1u_16V_Y5V_04
A
VR_PWRGD
R316
5
4
3
braswell platform
KBC_AVDD
L1
PIN 106
8887H
HSPI
level
3.3V, PIN106
HCB1005KF-121T20
8887H
HSPI
level
1.8V, PIN106
VDD3
EC ROM(EC ROM for BIOS+ME+EC) power
8987 PIN 106
VDD3( EC ROM for EC),
C287
SPI ROM POWER
EC ROM(EC ROM for BIOS+ME+EC) power
0.1u_16V_Y5V_04
FOR 14"
FOR 15"
KBC_AGND
FOR USB CHARGE DET, MULTI FUNCTION PIN
1
24
1
24
J_KB1
J_KB2
VDD3
J_KB1
J_KB2
Add,8/5 Max
85208-24051
85208-24051
58
KB-SI0
4
14"
KB-SI0
4
15"
KSI0/STB#
59
KB-SI1
5
KB-SI1
5
KSI1/AFD#
17
60
KB-SI2
6
KB-SI2
6
KSI2/INIT#
61
KB-SI3
8
KB-SI3
8
KSI3/SLIN#
62
KB-SI4
11
KB-SI4
11
KSI4
63
KB-SI5
12
KB-SI5
12
KSI5
64
KB-SI6
14
KB-SI6
14
KSI6
65
KB-SI7
15
KB-SI7
15
KSI7
K/B MATRIX
36
KB-SO0
1
KB-SO0
1
KSO0/PD0
8
37
2
2
KB-SO1
KB-SO1
KSO1/PD1
38
KB-SO2
3
KB-SO2
3
KSO2/PD2
39
KB-SO3
7
KB-SO3
7
KSO3/PD3
40
KB-SO4
9
KB-SO4
9
KSO4/PD4
41
10
10
KB-SO5
KB-SO5
KSO5/PD5
42
KB-SO6
13
KB-SO6
13
KSO6/PD6
14,22
43
KB-SO7
16
KB-SO7
16
KSO7/PD7
14,22
44
KB-SO8
17
KB-SO8
17
KSO8/ACK#
8
45
KB-SO9
18
KB-SO9
18
KSO9/BUSY
46
KB-SO10
19
KB-SO10
19
KSO10/PE
51
KB-SO11
20
KB-SO11
20
KSO11/ERR#
25
52
21
21
KB-SO12
KB-SO12
Modify,7/10 Max
KSO12/SLCT
53
KB-SO13
22
KB-SO13
22
IT8987
20
KSO13
54
KB-SO14
23
KB-SO14
23
Add,7/12 Max
KSO14
20
EC_LED_CONTROL
55
KB-SO15
24
KB-SO15
24
KSO15
8
SUS_STAT_N
Bay tril
8987 auto load share ROM
1.8V
ADD,9/21 Max
Braswell
ITE 8887H share ROM
1.8V
ITE 8987 non share ROM
VDD3
VSTBY_FSPI
FSPI LEVEL(3.3V/1.8V),
STBY
POWER
R307
0_04
VDD3
R314
*0_04
1.8VA
106
VSTBY_FSPI
R313
*0_04
VHSPI (1.8V/3.3V)
3.3V
107
DD_ON
19,23,26,27
LED KB
PWRSW/GPE4
FOR 15"
95
BKL_EN
15
HDIO3/GPJ1
R341
10K_04
35
RTS1#/GPE5
EC_RSMRST#
26
17
SB_KBCRST#
25
LPCPD#/GPE6
47
TACH0A/GPD6
CPU_FANSEN
20
120
TMRI0/GPC4
124
PM_PWROK
TMRI1/GPC6
PM_PWROK
8,30
123
LAN_WAKEUP#
20
CTX0/TMA0/GPB2
19
SWI# 24
L80HLAT/BAO/GPE0
5VS
112
RING#/PWRFAIL#/CK32KOUT/LPCRST#/GPB7
CC_EN
23
ADD,9/21 Max
101
ALSPI_CE#
FSCE#
102
ALSPI_MSI
FMOSI
103
ALSPI_MSO
FMISO
105
ALSPI_SCLK
FSCK
104
VSS6
R63
*20mil short-p
VDD3
C252 0.1u_16V_Y5V_04
KBC_AGND
U16
8
5
VDD
SI
1.05VS_EN
28,31
R299
2
SO
3.3K_1%_04
ALL_SYS_PWRGD
15
FDIO2
3
1
WP#
CE#
IT8987:
3.3VS/1.8VS
by
R298
6
EC code setting
SCK
3.3K_1%_04
FDIO3
7
4
HOLD#
VSS
*0_04
ALL_SYS_PWRGD
GD25D10BTIGR
PCB Footprint = M-SO8
4
3
2
Modify name,10/23 Max
DEBUG PORT
MODEL_ID
RA
RB
VOLTAGE
3.3V
N240GU
10K
X
3.3V
1.8V
VDD3
X
10K
N250GU
0V
EC
VDD3
VDD3
RA
MODEL_ID
R87
10K_04
14"
R64
10K_04
15"
USB CHARGE FUNCTION
RB
R468
10K_04
OPTION
W/O USB CHG
(
EC
EXECL
)
R469
10K_04
EXECL
U20B
USB CHG
8987_AUTO_LOAD_PWR
76
100
21
WLAN_EN
GPH0/ID0/CLKRUN#
OPTION
SSCE0#/GPG2
80
KBC_MUTE#
GPJ4/DAC4/DCD0#
OPTION
KBLIGHT_ADJ
81
GPJ5/DAC5/RIG0#
OPTION
OPTION
78
56
3
ME_WE
GPJ2/DAC2/TACH0B
OPTION
KSO16/SMOSI/GPC3
WLAN_PWR_EN
57
KSO17/SMISO/GPC5
SUS_PWR_ACK
68
23
CC1_DET
GPI2/ADC2
OPTION
IT8987
OPTION
Modify,9/21 Max
71
93
DELAY_ALL_SYS_PWRGD
GPI5/ADC5/DCD1#
HMOSI/ID6/GPH6
ECCLKRUN#
72
OPTION
23
CC2_DET
GPI6/ADC6/DSR1#
OPTION
94
R50
TACH2/HDIO2/GPJ0
Modify,9/21 Max
Del net name,7/17 Max
96
HSCE#/ID3/GPH3
115
97
SMC_EDP_CLK
GPC1/SMCLK1
OPTION
HSCK/ID4/GPH4
116
98
SMD_EDP_DAT
GPC2/SMDAT1
OPTION
HMISO/ID5/GPH5
118
99
R315
0_04
PMU_SLP_S0#
GPF7/SMDAT2/PECIRQT#
FDIO3/DSR0#/GPG6
OPTION
82
OPTION
EGAD/GPE1
24
83
EC_EMMC_LED#
GPA0/PWM0
OPTION
EGCS#/GPE2
OPTION
84
OPTION
EGCLK/GPE3
28
PWM_FAN
GPA2/PWM2
OPTION
29
48
GPA3/PWM3
OPTION
OPTION
TACH1/TMA1/GPD7
30
119
GPA4/PWM4
CRX1/SIN1/SMCLK3/ID1/GPH1
OPTION
R88
*0_04
OPTION
2
GPJ7
128
OPTION
GPJ6
125
20
CCD_EN
GPG0/SSCE1#
OPTION
IT8987E
SMI#
R67
R70
SCI#
J_LEDKB1
SWI#
R66
KB_LED_PWR
1
SMC_BAT
2
SMD_BAT
3
BAT_DET
4
LED_DET
ADD,9/21 Max
5
6
BAT_VOLT
FP225H-006S10M
PCLK_KBC
PCLK_KBC_R
R332
*10_04
15"
0630 CHG PF for factory bug
R310
14,22
SMC_EDP_CLK
15"
R309
14,22
SMD_EDP_DAT
L21
.
*HCB1608KF-121T25
5VS
KB_LED_PWR
To VGA(2168)
C331
*10u_6.3V_X5R_06
15"
U24
FON-KB
1
8
FON
GND
2
7
VIN
GND
3
6
C330
KB_LED_PWR
VOUT
GND
4
5
VSET
GND
*0.1u_16V_Y5V_04
NCT3940S-A
15"
15"
KBLIGHT_ADJ
KBC_SPI_*_R = 0.1"~0.5"
R296
33_04
ALSPI_MSI
ALSPI_MSO
R300
33_04
R303
0_04
ALSPI_CE#
! ! ! !!DMFWP!DP/
! ! ! !!DMFWP!DP/
! ! ! !!DMFWP!DP/
ALSPI_SCLK
R297
33_04
Title
Title
Title
[22] KBC (ITE IT8987E)
[22] KBC (ITE IT8987E)
[22] KBC (ITE IT8987E)
Size
Size
Size
Document Number
Document Number
Document Number
Custom
Custom
Custom
Date:
Date:
Date:
Monday, January 22, 2018
Monday, January 22, 2018
Monday, January 22, 2018
2
Schematic Diagrams
1
VDD3
J_80DEBUG1
1
3IN1
2
80CLK
3
4
1251-4AV-S-02(N)
Modify,10/03 Max
D
R308
10K_04
VDD3
21
8
7
Modify,7/10 Max
0_04
SUSC#_PCH
8,26
1.24VA_PG
28
1.05VS_PG
31
VR_PWRGD
30
SUSB#_PCH
8,26
Modify,7/10 Max
CNVI_DET#
21
Add,7/27 Max
EC_EN
26
Del CHG_JAP,7/13 Max
Sheet 22 of 40
VA_ON
26,27
Add EC_EN,7/13 Max
C
PMU_BATLOW#
8
Modify,7/10 Max
1.8VA_EN
31
KBC ITE IT8987E
3G_EN
21
3G_POWEREN
21
10K_04
R69
0_04
VDD3
2.2K_04
R68
*0_04
3.3V
10K_04
R306
1.5K_04
VDD3
R305
1.5K_04
R344
10K_1%_04
Modify,7/10 Max
C298
1u_6.3V_X5R_04
C278
*10p_50V_NPO_04
*0_04
CSCL
20
*0_04
CSDA
20
VDD3
C
SMC_BAT
AC
B
D22
A
BAV99 RECTIFIER
C
SMD_BAT
AC
A
D21
BAV99 RECTIFIER
C
BAT_DET
AC
A
D26
BAV99 RECTIFIER
C
BAT_VOLT
AC
D30
A
BAV99 RECTIFIER
A
Rev
Rev
Rev
6-71-N24G0-D02
6-71-N24G0-D02
6-71-N24G0-D02
2.0
2.0
2.0
Sheet
Sheet
Sheet
22
22
22
of
of
of
41
41
41
1
KBC ITE IT8987E B - 23
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