5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
R219,221
⎗婧㔜
33--100 ohm by Project
㓗㎜
1.8V/3/3V by EC code setting
㓗㎜
1.8V/3/3V by EC code setting
pin56:BT_DET#/KB-SO16
PIN57:WEB2#/WLAN_EN/KB-SO17
PROJECT NAME
EEPROM FOR IT8887
㬌䶂嶗暨ᶲ
8M SPI ROM(Share BIOS+ME+EC ROM )
Connect VAULE FOR REFERENCE BY PROJECT
Connect VAULE FOR REFERENCE BY PROJECT
EEPROM FOR IT8987
㬌䶂嶗暨ᶲ
2M SPI ROM(non share EC ROM)
EEPROM FOR IT8987
㬌䶂嶗ᶵ暨ᶲἧ䓐
AUTO LOAD Form Share ROM(PCH)
BAY TRAIL
BRASWELL
J_KB1
124
MODEL_ID RB
10KV1.0 X
RA
RA
RB
DEBUG PORT
IT8987
OPTION (
⎗ẍ怠㑯㗗⏎枸䔁
)
⚢ ⭂ ἧ䓐
FOR WLAN
IT8887/IT8987:
㓗
㎜
1.8V/3/3V by EC setting
IT8987: 3.3VS/1.8VS
怠㑯
by EC
code setting can't pull up/dn
IT8887/IT8987: 3.3VS/1.8VS
怠㑯
by EC
code setting
3.3V
Bay tril
ἧ䓐
8987 auto load share ROM
ἧ䓐
1.8V
Braswell
ἧ䓐
ITE 8987 non share ROM
ἧ䓐
VDD3
VSTBY_FSPI
䁢姕⭂
FSPI LEVEL(3.3V/1.8V),
ἧ䓐
STBY
POWER
㓗㎜
1.8V/3/3V by EC code setting
IT8987 GPH7
⎗ἧ䓐
GPIO
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
OPTION
(
⎗ẍ嬲≽ὅ
EC
㍸ὃ䘬
EXECL
堐
)
㛒⛐
EXECL
堐䘬≇傥⎗ẍ冒埴␥⎵
䚖⇵䓐䵈刚⫿橼ẋ堐⎗
OPTION
OPTION
OPTION
OPTION
OPTION
6-20-94AF0-124
婳
EC
㍍㓞⇘
RSMRS#_PG>10ms
⼴
,
䘤
EC_RSMRST#
W515(7)GU
V1.0 10KX
R228
㬌䁢↮⡻暣嶗
婳ᶨ⭂天ἧ䓐
1%
䘬暣旣
EC
㍍㓞⇘
ALL_SYS_PWRGD delay >
5ms
⼴ㇵ䘤
DELAY_ALL_SYS_PWRGD
EC
㍍㓞⇘
ALL_SYS_PWRGD delay >
5ms
⼴ㇵ䘤
DELAY_ALL_SYS_PWRGD
default
Add,8/5 Max
FOR USB CHARGE DET, MULTI FUNCTION PIN
攳㨇㗪⇌㕟㚱㰺㚱
USB CHARGE FUNCTION
D02 DEL R192 FOR
ℙ䓐
11/6
D02 DEL R192 FOR
ℙ䓐
11/6
D02 DEL R192 FOR
ℙ䓐
11/6
D02 DEL R192 FOR
ℙ䓐
11/6
D02 DEL R233
VSTBY_FSPI
H_PECI
AC_PRESENT
ALSPI_CE#
ALSPI_MSO
KBC_WRESET#
KB-SI3
ALSPI_MSI
KB-SI2
KB-SO5
KB-SI1
KB-SO3
KB-SO4
KB-SO11
KB-SI6
KB-SI4
KB-SO8
KB-SO7
KB-SO6
KB-SO14
KB-SO2
KB-SO15
KB-SI0
KB-SI5
ALSPI_SCLK
KB-SO12
KB-SO1
KB-SO10
KB-SO0
KB-SI7
KB-SO9
KB-SO13
AUTO_LOAD_PWR
MODEL_ID
MODEL_ID
80CLK
3IN1
BAT_VOLT
80CLK
3IN1
ALSPI_SCLK
ALSPI_MSO
ALSPI_MSI
ALSPI_CE#
SMC_BAT
BAT_DET
SMD_BAT
FDIO2
FDIO3
GA20
SCI#
SWI#
SMI#
ALL_SYS_PW RGDVR_PWRGD
FAN_DET
FAN_DET
VDD3
VDD3
KBC_AGND
KBC_AVDD
VDD3
VDD3
VDD3
1.8VA
KBC_AGND
3.3V
VDD3
VDD3
VDD3
VDD3
VDD3
3.3VA
1.8VA
VDD3
VDD3
BUF_PLT_RST#[7,17,18,21,22]
LPC_FRAME#[8,17]
SERIRQ[8,17]
PCLK_KBC[8]
LPC_AD3[8,17]
LPC_AD2[8,17]
LPC_AD1[8,17]
LPC_AD0[8,17]
LED_ACIN[22]
AC_IN#[29]
SMI#[11]
CPU_FAN[21]
DD_ON [17,23]
SW I# [11]
LAN_WAKEUP# [21]
CPU_FANSEN [21]
EC_RSMRST# [23]
SB_KBCRST# [11]
PWR_SW#[23]
LID_SW#[15,21]
TP_CLK[21]
TP_DATA[21]
BEEP[20]
LED_BAT_FULL[22]
LED_PW R[22]
LED_BAT_CHG[22]
THERM_VOLT[2]
TOTAL_CUR[29]
ME_WE[3]
H_PROCHOT_EC[7]
SCI#[11]
CCD_EN[21]
ALL_SYS_PW RGD [15]
USB_CHARGE_EN[17,23,25]
BT_EN[18]
3G_POW ER_EN [18]
PWR_BTN#[7]
SMC_BAT[19,29]
SMD_BAT[19,29]
SMC_BAT[19,29]
BAT_VOLT[19,29]
SMD_BAT[19,29]
BAT_DET[19,29]
SMC_EDP_CLK[14,19]
SMD_EDP_DAT[14,19]
DELAY_ALL_SYS_PWRGD[7]
WLAN_EN[18]
SUS_PWR_ACK [7]
3G_EN [18]
KBC_MUTE#[20]
VA_ON [23,25]
SMC_EDP_CLK[14,19]
SMD_EDP_DAT[14,19]
CSCL [16]
CSDA [16]
BAT_VOLT[19,29]
BAT_DET[19,29]
VDD3[7,11,18,21,22,23,24,25,26,28,29]
3.3V[2,11,15,17,18,23,26]
1.8VA[3,4,5,6,7,8,9,11,17,18,22,23,24]
3.3VA[6,7,8,9,22,23,24,26]
BKL_EN [15]
AIRPLAN_LED#[22]
1.05VS_PG [24]
PMU_SLP_S0#[7]
VR_PW RGD [28]
PM_PWROK [7,28]
1.8VA_EN [24]
1.05VS_EN [24,26]
EC_EMMC_LED#[11,22]
PMU_BATLOW# [7]
SUSC#_PCH [7,23]
SUSB#_PCH [7,23]
ECCLKRUN# [8]
SUS_STAT_N[7]
3G_RST#[18]
1.24VA_PG [26]
CNVI_DET# [18]
EC_EN [23]
PMIC_THERMTRIP [11,23]
WLAN_PWR_EN[18]
PWM_FAN[21]
Title
Size Document Number Rev
Date: Sheet
of
6-71-W51G0-D02
3.0
[19] KBC-ITE IT8897
Custom
19 35Tuesday, January 30, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Size Document Number Rev
Date: Sheet
of
6-71-W51G0-D02
3.0
[19] KBC-ITE IT8897
Custom
19 35Tuesday, January 30, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Size Document Number Rev
Date: Sheet
of
6-71-W51G0-D02
3.0
[19] KBC-ITE IT8897
Custom
19 35Tuesday, January 30, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
D14
BAV99 RECTIFIER
A
C
AC
D15
BAV99 RECTIFIER
A
C
AC
R193 10K_04
R215 *10K_04
LPC
DAC
SMBUS
PWM
PS/2
WAKE UP
GP INTERRUPT
UART
K/B MATRIX
IT8987
ADC
U4A IT8987E
GPB6/KBRST#
4
GPM6/SERIRQ
5
GPM5/LFRAME#
6
GPM3/LAD3
7
GPM2/LAD2
8
GPM1/LAD1
9
GPM0/LAD0
10
GPM4/LPCCLK
13
WRST#
14
GPD4/ECSMI#
15
GPC7/PWUREQ#/BBO/SMCLK2ALT
16
GPD0/RI1#
18
GPE7/L80LLAT
20
GPD1/RI2#
21
GPD2/LPCRST#
22
GPD3/ECSCI#
23
GPA1/PWM1
25
GPA5/PWM5
31
GPA6/PWM6/SSCK
32
GPD5/GINT/CTS0#
33
GPA7/PWM7/RIG1#
34
GPG2/SSCE0#
77
GPJ3/DAC3/TACH1B
79
GPF0/PS2CLK0/TMB0/CEC
85
GPF2/PS2CLK1/DTR0#
87
GPF4/PS2CLK2
89
GPF5/PS2DAT2
90
GPB0/RXD/SIN0
108
GPB1/TXD/SOUT0
109
GPB3/SMCLK0
110
GPB4/SMDAT0
111
GPF6/SMCLK2/PECI
117
GPB5/GA20
126
LPCPD#/GPE6
17
L80HLAT/BAO/GPE0
19
RTS1#/GPE5
35
KSO0/PD0
36
KSO1/PD1
37
KSO2/PD2
38
KSO3/PD3
39
KSO4/PD4
40
KSO5/PD5
41
KSO6/PD6
42
KSO7/PD7
43
KSO8/ACK#
44
KSO9/BUSY
45
KSO10/PE
46
TACH0A/GPD6
47
KSO11/ERR#
51
KSO12/SLCT
52
KSO13
53
KSO14
54
KSO15
55
KSI0/STB#
58
KSI1/AFD#
59
KSI2/INIT#
60
KSI3/SLIN#
61
KSI4
62
KSI5
63
KSI6
64
KSI7
65
VHSPI (1.8V/3.3V)
106
PWRSW/GPE4
107
RING#/PWRFAIL#/CK32KOUT/LPCRST#/GPB7
112
TMRI0/GPC4
120
CTX0/TMA0/GPB2
123
TMRI1/GPC6
124
3
GPH7
VCC (1.8V/3.3V)
11
VSTBY1
26
VSTBY2
50
AVCC
74
VSTBY3
92
VSTBY4
114
VSTBY5
121
VSTBY6(PLL)
127
VSS1
1
VCORE
12
VSS3
27
VSS4
49
AVSS
75
VSS5
91
GPC0/CRX0
113
DTR1#/SBUSY/GPG1/ID7
122
GPF1/PS2DAT0/TMB1
86
GPF3/PS2DAT1/RTS0#
88
GPI0/ADC0
66
GPI1/ADC1
67
GPI3/ADC3
69
GPI4/ADC4
70
GPI7/ADC7/CTS1#
73
HDIO3/GPJ1
95
FSCE#
101
FMOSI
102
FMISO
103
FSCK
105
VSS6
104
HMOSI/ID6/GPH6
93
TACH2/HDIO2/GPJ0
94
R209
*0_04
D13
BAV99 RECTIFIER
A
C
AC
C158
0.1u_16V_Y5V_04
J_80DEBUG1
85204-04001
1
2
3
4
C167
0.1u_16V_Y5V_04
C150
0.1u_16V_Y5V_04
R208 10K_1%_04
R452
3.3K_1%_04
R199 1.5K_04
.
L11
HCB1005KF-121T20
PJ20
*OPEN-2mm
12
R212 0_04
C152
0.1u_16V_Y5V_04
R217
*20mil_04
R211 10K_04
USB_CHG
R187 100K_04
U32
GD25D10BTIGR
CE#
1
SO
2
WP#
3
VSS
4
SI
5
SCK
6
HOLD#
7
VDD
8
C169 1u_6.3V_X5R_04
R197 47_04
C153
0.1u_16V_Y5V_04
PJ21
*OPEN-2mm
12
R205 *0_04
R203 0_04
R214 0_04
R185 10K_04
R210 10K_04
USB_W/O CHG
R451 33_04
R219 1.5K_04
R186 2.2K_04
R457 33_04
R455
3.3K_1%_04
R202 *0_04
R184 10K_04
R204 10K_04
J_KB1
85208-24051
24
23
22
14
12
11
21
8
20
19
6
5
18
4
17
10
9
7
3
2
1
16
15
13
IT8987
U4B
IT8987E
GPA0/PWM0
24
GPA2/PWM2
28
GPA3/PWM3
29
GPA4/PWM4
30
GPI2/ADC2
68
GPI5/ADC5/DCD1#
71
GPI6/ADC6/DSR1#
72
GPH0/ID0/CLKRUN#
76
GPJ4/DAC4/DCD0#
80
GPJ5/DAC5/RIG0#
81
GPC1/SMCLK1
115
GPC2/SMDAT1
116
GPG0/SSCE1#
125
GPJ7
2
TACH1/TMA1/GPD7
48
EGAD/GPE1
82
EGCS#/GPE2
83
EGCLK/GPE3
84
HSCE#/ID3/GPH3
96
HSCK/ID4/GPH4
97
HMISO/ID5/GPH5
98
FDIO3/DSR0#/GPG6
99
100
SSCE0#/GPG2
DSR0#/GPG6
119
GPJ6
128
GPJ2/DAC2/TACH0B
78
GPF7/SMDAT2/PECIRQT#
118
KSO16/SMOSI/GPC3
56
KSO17/SMISO/GPC5
57
C151 0.1u_16V_Y5V_04
D16
BAV99 RECTIFIER
A
C
AC
R200 0_04
R453 33_04
C364
10u_6.3V_X5R_06
R233
*10K_04
PWM_FAN
R216 10K_04
C157
0.1u_16V_Y5V_04
R198 47_04
R448 0_04
R195 *0_04
R225
10K_04
FAN
C168 0.1u_16V_Y5V_04
R201 *0_04
C368
0.1u_16V_Y5V_04
R196 *0_04
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