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Schematic Diagrams
KBC-ITE IT8987t
IT8987
D
Sheet 19 of 31
KBC-ITE IT8987
C
[17,23,25]
USB_CHARGE_EN
B
IT8887/IT8987:
A
B - 20 KBC-ITE IT8987t
5
4
IT8987 GPH7
GPIO
D02 DEL R192 FOR
11/6
[22]
AIRPLAN_LED#
VDD3
C364
C150
C157
C158
10u_6.3V_X5R_06
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
PJ20
C153
*OPEN-2mm
2
1
3.3VA
0.1u_16V_Y5V_04
PJ21
*OPEN-2mm
2
1
1.8VA
U4A
IT8987E
default
10
[8,17]
LPC_AD0
GPM0/LAD0
9
[8,17]
LPC_AD1
GPM1/LAD1
8
[8,17]
LPC_AD2
GPM2/LAD2
7
[8,17]
LPC_AD3
GPM3/LAD3
13
[8]
PCLK_KBC
GPM4/LPCCLK
6
[8,17]
LPC_FRAME#
GPM5/LFRAME#
5
[8,17]
SERIRQ
GPM6/SERIRQ
22
LPC
[7,17,18,21,22]
BUF_PLT_RST#
GPD2/LPCRST#
K/B MATRIX
R187
100K_04
KBC_W RESET#
14
VDD3
WRST#
C151
0.1u_16V_Y5V_04
GA20
126
GPB5/GA20
4
[29]
AC_IN#
GPB6/KBRST#
16
[22]
LED_ACIN
GPC7/PWUREQ#/BBO/SMCLK2ALT
AC_PRESENT
20
GPE7/L80LLAT
OPTION
3.3V
23
[11]
SMI#
GPD3/ECSCI#
15
[11]
SCI#
GPD4/ECSMI#
77
DAC
GPG2/SSCE0#
IT8987
79
[21]
CPU_FAN
GPJ3/DAC3/TACH1B
C168
0.1u_16V_Y5V_04
ADC
66
[19,29]
BAT_DET
GPI0/ADC0
67
[19,29]
BAT_VOLT
GPI1/ADC1
69
[2]
THERM_VOLT
GPI3/ADC3
70
[29]
TOTAL_CUR
GPI4/ADC4
MODEL_ID
73
GPI7/ADC7/CTS1#
R219,221
33--100 ohm by Project
SMBUS
R198
47_04
110
[19,29]
SMC_BAT
GPB3/SMCLK0
111
R197
47_04
[19,29]
SMD_BAT
GPB4/SMDAT0
H_PECI
117
GPF6/SMCLK2/PECI
1.8V/3/3V by EC code setting
PWM
25
[20]
BEEP
GPA1/PWM1
31
[22]
LED_BAT_CHG
GPA5/PWM5
32
[22]
LED_BAT_FULL
GPA6/PWM6/SSCK
34
[22]
LED_PW R
GPA7/PWM7/RIG1#
PS/2
80CLK
85
GPF0/PS2CLK0/TMB0/CEC
3IN1
87
GPF2/PS2CLK1/DTR0#
D02 DEL R192 FOR
11/6
86
GPF1/PS2DAT0/TMB1
OPTION
R214
0_04
88
[18]
BT_EN
GPF3/PS2DAT1/RTS0#
OPTION
RING#/PWRFAIL#/CK32KOUT/LPCRST#/GPB7
89
[21]
TP_CLK
GPF4/PS2CLK2
90
[21]
TP_DATA
GPF5/PS2DAT2
WAKE UP
1.8V/3/3V by EC setting
18
[23]
PW R_SW #
GPD0/RI1#
21
[15,21]
LID_SW #
GPD1/RI2#
GP INTERRUPT
33
[7]
PW R_BTN#
GPD5/GINT/CTS0#
UART
108
[18]
W LAN_PW R_EN
GPB0/RXD/SIN0
109
[7]
H_PROCHOT_EC
GPB1/TXD/SOUT0
R217
*20mil_04
C152
KBC_AGND
0.1u_16V_Y5V_04
IT8887/IT8987:
3.3VS/1.8VS
code setting
VR_PW RGD
ALL_SYS_PW RGD
R205
*0_04
5
4
3
KBC_AVDD
L11
HCB1005KF-121T20
VDD3
C167
0.1u_16V_Y5V_04
Connect VAULE FOR REFERENCE BY PROJECT
FOR USB CHARGE DET, MULTI FUNCTION PIN
KBC_AGND
USB CHARGE FUNCTION
R210
10K_04
1
24
VDD3
USB_W /O CHG
6-20-94AF0-124
J_KB1
R211
10K_04
Add,8/5 Max
J_KB1
USB_CHG
85208-24051
[18]
W LAN_EN
58
KB-SI0
4
KSI0/STB#
[20]
KBC_MUTE#
59
5
FAN_DET
KB-SI1
KSI1/AFD#
60
KB-SI2
6
KSI2/INIT#
61
KB-SI3
8
KSI3/SLIN#
[3]
ME_W E
62
KB-SI4
11
KSI4
63
KB-SI5
12
EC
ALL_SYS_PWRGD delay >
KSI5
[18]
3G_RST#
64
KB-SI6
14
5ms
KSI6
DELAY_ALL_SYS_PWRGD
65
KB-SI7
15
KSI7
[7]
DELAY_ALL_SYS_PW RGD
36
KB-SO0
1
R209
KSO0/PD0
[7]
SUS_STAT_N
37
KB-SO1
2
*0_04
KSO1/PD1
38
KB-SO2
3
KSO2/PD2
39
KB-SO3
7
KSO3/PD3
40
KB-SO4
9
1.8V/3/3V by EC code setting
KSO4/PD4
41
KB-SO5
10
KSO5/PD5
[14,19]
SMC_EDP_CLK
42
13
KB-SO6
[14,19]
SMD_EDP_DAT
KSO6/PD6
43
KB-SO7
16
KSO7/PD7
[7]
PMU_SLP_S0#
44
KB-SO8
17
KSO8/ACK#
45
KB-SO9
18
KSO9/BUSY
46
KB-SO10
19
KSO10/PE
[11,22]
EC_EMMC_LED#
51
KB-SO11
20
KSO11/ERR#
52
KB-SO12
21
KSO12/SLCT
[21]
PW M_FAN
53
22
KB-SO13
KSO13
54
KB-SO14
23
KSO14
55
KB-SO15
24
KSO15
Bay tril
8987 auto load share ROM
1.8V
Braswell
ITE 8987 non share ROM
VDD3
VSTBY_FSPI
FSPI LEVEL(3.3V/1.8V),
STBY
[21]
CCD_EN
POWER
R200
0_04
VDD3
VSTBY_FSPI
R201
*0_04
1.8V/3/3V by EC code setting
3.3V
106
R202
*0_04
IT8987:
3.3VS/1.8VS
by EC
VHSPI (1.8V/3.3V)
1.8VA
code setting can't pull up/dn
107
PWRSW/GPE4
DD_ON
[17,23]
SMC_BAT
D02 DEL R192 FOR
11/6
95
SMD_BAT
BKL_EN
[15]
HDIO3/GPJ1
BAT_DET
R193
10K_04
SMI#
35
SCI#
RTS1#/GPE5
EC_RSMRST#
[23]
EC
RSMRS#_PG>10ms
,
17
SW I#
EC_RSMRST#
LPCPD#/GPE6
SB_KBCRST#
[11]
47
TACH0A/GPD6
CPU_FANSEN
[21]
120
TMRI0/GPC4
124
BAT_VOLT
TMRI1/GPC6
PM_PW ROK
[7,28]
123
LAN_W AKEUP#
[21]
[14,19]
SMC_EDP_CLK
CTX0/TMA0/GPB2
[14,19]
SMD_EDP_DAT
19
L80HLAT/BAO/GPE0
SW I#
[11]
112
93
ECCLKRUN#
[8]
HMOSI/ID6/GPH6
94
TACH2/HDIO2/GPJ0
SUSC#_PCH
[7,23]
D02 DEL R192 FOR
11/6
101
ALSPI_CE#
FSCE#
ALSPI_MSI
102
BAY TRAIL
FMOSI
103
ALSPI_MSO
EEPROM FOR IT8987
AUTO LOAD Form Share ROM(PCH)
FMISO
105
ALSPI_SCLK
FSCK
BRASWELL
104
VSS6
EEPROM FOR IT8887
8M SPI ROM(Share BIOS+ME+EC ROM )
EEPROM FOR IT8987
2M SPI ROM(non share EC ROM)
VDD3
C368
U32
5
R457
0.1u_16V_Y5V_04
SI
8
VDD
2
R451
SO
R455
3
1
FDIO2
R448
WP#
CE#
3.3K_1%_04
6
R453
SCK
R452
FDIO3
7
4
HOLD#
VSS
1.05VS_EN
[24,26]
3.3K_1%_04
GD25D10BTIGR
ALL_SYS_PW RGD
[15]
by EC
3
2
1
MODEL_ID
RA
RB
PROJECT NAME
V1.0
10K
X
V1.0
X
10K
W515(7)GU
VDD3
RA
MODEL_ID
R215
*10K_04
RB
R216
10K_04
EC
ALL_SYS_PWRGD delay >
OPTION
5ms
(
EC
EXECL
)
DELAY_ALL_SYS_PWRGD
EXECL
OPTION
U4B
76
100
AUTO_LOAD_PW R
R204
10K_04
SSCE0#/GPG2
GPH0/ID0/CLKRUN#
OPTION
80
GPJ4/DAC4/DCD0#
OPTION
81
GPJ5/DAC5/RIG0#
OPTION
OPTION
78
56
GPJ2/DAC2/TACH0B
OPTION
KSO16/SMOSI/GPC3
PMIC_THERMTRIP
[11,23]
pin56:BT_DET#/KB-SO16
57
SUS_PW R_ACK
[7]
PIN57:WEB2#/WLAN_EN/KB-SO17
KSO17/SMISO/GPC5
68
GPI2/ADC2
OPTION
IT8987
OPTION
71
GPI5/ADC5/DCD1#
OPTION
72
GPI6/ADC6/DSR1#
OPTION
96
1.24VA_PG
[26]
HSCE#/ID3/GPH3
115
97
1.05VS_PG
[24]
GPC1/SMCLK1
HSCK/ID4/GPH4
116
OPTION
98
VR_PW RGD
[28]
GPC2/SMDAT1
OPTION
HMISO/ID5/GPH5
118
99
R203
0_04
GPF7/SMDAT2/PECIRQT#
FDIO3/DSR0#/GPG6
SUSB#_PCH
[7,23]
OPTION
82
R212
0_04
EGAD/GPE1
CNVI_DET#
[18]
OPTION
24
83
GPA0/PWM0
OPTION
EGCS#/GPE2
EC_EN
[23]
OPTION
84
VA_ON
[23,25]
OPTION
EGCLK/GPE3
28
GPA2/PWM2
OPTION
29
48
PMU_BATLOW #
GPA3/PWM3
OPTION
OPTION
TACH1/TMA1/GPD7
30
119
GPA4/PWM4
DSR0#/GPG6
1.8VA_EN
[24]
OPTION
OPTION
2
GPJ7
3G_EN
[18]
128
OPTION
GPJ6
3G_POW ER_EN
125
GPG0/SSCE1#
OPTION
IT8987E
VDD3
R199
1.5K_04
R228
R219
1.5K_04
1%
R208
10K_1%_04
R184
10K_04
R186
2.2K_04
AC
[19,29]
SMC_BAT
R185
10K_04
D14
BAV99 RECTIFIER
VDD3
AC
[19,29]
SMD_BAT
D02 DEL R233
D16
C169
1u_6.3V_X5R_04
BAV99 RECTIFIER
R233
AC
[19,29]
BAT_DET
R196
*0_04
PW M_FAN
D13
CSCL
[16]
*10K_04
BAV99 RECTIFIER
R195
*0_04
CSDA
[16]
AC
[19,29]
BAT_VOLT
FAN_DET
D15
BAV99 RECTIFIER
R225
FAN
10K_04
OPTION (
)
DEBUG PORT
VDD3
3IN1
80CLK
33_04
ALSPI_MSI
ALSPI_MSO
33_04
ALSPI_CE#
0_04
Connect VAULE FOR REFERENCE BY PROJECT
ALSPI_SCLK
33_04
! ! ! !!DMFWP!DP/
! ! ! !!DMFWP!DP/
! ! ! !!DMFWP!DP/
[2,11,15,17,18,23,26]
3.3V
Title
Title
Title
[7,11,18,21,22,23,24,25,26,28,29]
VDD3
[19] KBC-ITE IT8897
[19] KBC-ITE IT8897
[19] KBC-ITE IT8897
[6,7,8,9,22,23,24,26]
3.3VA
[3,4,5,6,7,8,9,11,17,18,22,23,24]
1.8VA
Size
Size
Size
Document Number
Document Number
Document Number
6-71-W51G0-D02
6-71-W51G0-D02
6-71-W51G0-D02
Custom
Custom
Custom
SCHEMATIC1
SCHEMATIC1
SCHEMATIC1
Date:
Date:
Date:
Tuesday, January 30, 2018
Tuesday, January 30, 2018
Tuesday, January 30, 2018
Sheet
Sheet
Sheet
2
1
D
VDD3
FOR WLAN
[7]
C
[18]
VDD3
C
A
C
A
C
A
C
A
B
J_80DEBUG1
1
2
3
4
85204-04001
A
Rev
Rev
Rev
3.0
3.0
3.0
19
19
19
of
of
of
35
35
35
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