5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
R767,768
⎗婧㔜
33--100 ohm by Project
IT8987: 3.3VS/1.8VS
怠
㑯
by EC code setting can't pull up/dn
㓗㎜
1.8V/3/3V by EC code setting
㓗㎜
1.8V/3/3V by EC code setting
2014/5/23
BRASWELL EEPROM FOR IT8887
㬌
㬌㬌
㬌䶂
䶂䶂
䶂嶗
嶗嶗
嶗暨
暨暨
暨ᶵ
ᶵᶵ
ᶵᶲ
ᶲᶲ
ᶲ
BAY TRAIL
㬌
㬌㬌
㬌䶂
䶂䶂
䶂嶗
嶗嶗
嶗暨
暨暨
暨ᶲ
ᶲᶲ
ᶲἧ
ἧἧ
ἧ䓐
䓐䓐
䓐
AUTO LOAD SHARE ROM
IT8987 GPH7
⎗
⎗
⎗
⎗
ἧ
ἧ
ἧ
ἧ
䓐
䓐
䓐
䓐
GPIO
pin72:CCD_DET#/GPIO2_FB_TGL_REQ#
pin56:BT_DET#/KB-SO16
PIN57:WEB2#/WLAN_EN/KB-SO17
IT8887/IT8987: 3.3VS/1.8VS by EC code setting
㓗㎜
1.8V/3/3V by EC code setting
Bay Tril FOR ITE 8987
ᶲ
ᶲᶲ
ᶲẞ
ẞẞ
ẞ
, ITE 8887
ᶲ
ᶲᶲ
ᶲ
ẞ
ẞẞ
ẞ
Braswell FOR ITE 8887
ᶵ
ᶵᶵ
ᶵᶲ
ᶲᶲ
ᶲẞ
ẞẞ
ẞ
, ITE8987
ᶲ
ᶲᶲ
ᶲẞ
ẞẞ
ẞ
PROJECT NAME
Bary tril FOR ITE 8987
ᶵ
ᶵᶵ
ᶵ
ᶲ
ᶲᶲ
ᶲẞ
ẞẞ
ẞ
, ITE 888 7
ᶵ
ᶵᶵ
ᶵᶲ
ᶲᶲ
ᶲẞ
ẞẞ
ẞ
Braswell FOR ITE 8887
ᶲ
ᶲᶲ
ᶲ
ẞ
ẞẞ
ẞ
, ITE 8987
ᶵ
ᶵᶵ
ᶵᶲ
ᶲᶲ
ᶲẞ
ẞẞ
ẞ
OPTION
EEPROM FOR IT8887
㬌
㬌㬌
㬌䶂
䶂䶂
䶂嶗
嶗嶗
嶗暨
暨暨
暨ᶲ
ᶲᶲ
ᶲ
8M SPI ROM(Share BIOS+ME+EC ROM )
DEFAULT
㓡ᶲẞ
,
(
⤪㰺㚱ᶲẞ
, RTC
便暣忶⣏
)
Connect VAULE FOR REFERENCE BY PROJECT
Connect VAULE FOR REFERENCE BY PROJECT
IT8887 IT8987: CCD_EN
IT8887/IT8987: GND
8887H R1525
ᶲẞ
8987 R1524,R1525
ᶵᶲẞ
PIN 77
䁢
8887 Auto load pin
EEPROM FOR IT8987
㬌
㬌㬌
㬌䶂
䶂䶂
䶂嶗
嶗嶗
嶗暨
暨暨
暨ᶲ
ᶲᶲ
ᶲ
2M SPI ROM(non share EC ROM)
PIN88,PIN86
䁢
OPTION PIN
PIN122
䁢
OPTION PIN
2014/8/26
PIN 100
䁢
8987 Auto load pin
R270 10K , R773
ᶲ
0ohm
braswell platform
PIN 106
8887H
䔞
HSPI
䘬
level
䁢
3.3V, PIN106
㍍
3.3V
8887H
䔞
HSPI
䘬
level
䁢
1.8V, PIN106
㍍
1.8V
EC ROM(EC ROM for BIOS+ME+EC) power
㍍
VDD3
8987 PIN 106
㍍
VDD3( EC ROM for EC),
⎴
EC SPI ROM POWER
EC ROM(EC ROM for BIOS+ME+EC) power
㍍
VDD3
Ca
EEPROM FOR IT8987
㬌
㬌㬌
㬌䶂
䶂䶂
䶂嶗
嶗嶗
嶗ᶵ
ᶵᶵ
ᶵ暨
暨暨
暨ᶲ
ᶲᶲ
ᶲἧ
ἧἧ
ἧ䓐
䓐䓐
䓐
AUTO LOAD Form Share ROM(PCH)
BAY TRAIL
BRASWELL
J_KB1
124
MODEL_ID
W510LU
RB
10KV1.0 X
RA
PIN 99
ᶵ
⎗
PULL VDD3
RA
RB
DEBUG PORT
IT8887/IT8987 Co-layout
⚈
⚈⚈
⚈䁢
䁢䁢
䁢䎦
䎦䎦
䎦⛐
⛐⛐
⛐⋿
⋿⋿
⋿㧳
㧳㧳
㧳 S P I interface 冯
冯冯
冯
EC 䘬
䘬䘬
䘬 S P I interface wire ⛐
⛐⛐
⛐ ᶨ
ᶨᶨ
ᶨ 崟
崟崟
崟,
⚈
⚈⚈
⚈䁢
䁢䁢
䁢⮵
⮵⮵
⮵㕤
㕤㕤
㕤⋿
⋿⋿
⋿㧳
㧳㧳
㧳䘬
䘬䘬
䘬 SPI-interface
⛐
⛐⛐
⛐ po w e r-on 㗪
㗪㗪
㗪䘬
䘬䘬
䘬䉨
䉨䉨
䉨ン
ンン
ン䃉
䃉䃉
䃉㱽
㱽㱽
㱽䡢
䡢䡢
䡢娵
娵娵
娵,
ẍ
ẍẍ
ẍ䚖
䚖䚖
䚖⇵
⇵⇵
⇵⺢
⺢⺢
⺢嬘
嬘嬘
嬘⭊
⭊⭊
⭊㇞
㇞㇞
㇞枸
枸枸
枸䔁
䔁䔁
䔁⚃
⚃⚃
⚃ᾳ
ᾳᾳ
ᾳ
pull-down 暣
暣暣
暣 旣
旣旣
旣⛐
⛐⛐
⛐S P I in ter fa c eᶲ
ᶲᶲ
ᶲ,
OPTION (
⎗ẍ怠㑯㗗
⏎枸䔁
)
⚢
⚢⚢
⚢⭂
⭂⭂
⭂ἧ
ἧἧ
ἧ䓐
䓐䓐
䓐
FOR WLAN
20141017
IT8887 GPH7
⎗
⎗⎗
⎗
ἧ
ἧἧ
ἧ䓐
䓐䓐
䓐
GPIO
IT8887/IT8987: 3.3VS/1.8VS
怠㑯
by EC code setting
IT8887/IT8987: 3.3VS/1.8VS by
EC code setting
Rb Rc
IT8887/IT8987:
㓗
㓗㓗
㓗
㎜
㎜㎜
㎜
1.8V/3/3V by EC setting
IT8987
IT8887 Rb(R772)
ᶲ
Rc(R771)
ᶲ
0 ohm or GPIO
IT8987: 3.3VS/1.8VS by EC setting
PIN93,PIN94
ᶵ傥嬲≽
PIN NET
FOR NB
ᶵ䓐㬌
NET, FOR PAD
ㇵ
暨
天
2014/7/11
2014/7/11
Bay tril
ἧ䓐
8987 auto load share ROM
ἧ䓐
1.8 V
Braswell
ἧ䓐
ITE 8887H share ROM
ἧ䓐
1.8V
ἧ䓐
ITE 8987 non share ROM
ἧ䓐
VDD3
VSTBY_FSPI
䁢姕⭂
FSPI LEVEL(3.3V/1.8V),
ἧ䓐
STBY POWER
IT8987
IT8887 Re(R774)
ᶲ
0 ohm
OR GPIO
ἧ䓐
Rf(R773)
ᶲ
Re Rf
IT8887/IT8987: PIN11
3.3VS/1.8VS
怠
怠怠
怠
㑯
㑯㑯
㑯
FOR LPC
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
TPM 3.3V
ITE8887_PN93
ITE8887_PN94
ITE8887_PN93
ITE8887_PN94
ITE8887_PN93
VSTBY_FSPI
ITE8887_PN98
ITE8887_PN96
ITE8887_PN97
ALSPI_CE#
CPU_FAN
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
CCD_DET#
MODEL_ID
MODEL_ID
80CLK
3IN1
BAT_VOLT
PCLK_KBC_RPCLK_KBC
BAT_DET
BAT_VOLT
ALSPI_SCLK
ALSPI_MSO
ALSPI_MSI
ALSPI_CE#
ALSPI_CE#
ALSPI_MSI
ALSPI_MSO
ALSPI_SCLK
ITE8887_PN98
ITE8887_PN96
ITE8887_PN97
CCD_DET#
SMC_BAT
BAT_DET
SMD_BAT
EC_SSD_LED#
EC_GPH7
ITE8887_PN95
8987_AUTO_LOAD_PW R
LED_SCROLL#
LED_NUM#
LED_CAP#
EGAD
VA_ON
H_PECI
USB_CHR_DET
ITE8887_PN95
ITE8887_PN94
ITE8887_PN95
FDIO2
PM_PCH_PWROK
FDIO2
FDIO3
FDIO3
VDD3
VDD3
KBC_AGND
KBC_AVDD
VDD3
VDD3
VDD3
VDD3
3.3VA
1.8VA
1.8VA
KBC_AGND
KBC_AGND
3.3V
VDD3
VDD3
VDD3
VDD3
VDD3
VDD3
BUF_PLT_RST#[7,17,18,19,23]
LPC_FRAME#[7,17]
SERIRQ[17,23]
PCLK_KBC[7]
LPC_AD3[7,17]
LPC_AD2[7,17]
LPC_AD1[7,17]
LPC_AD0[7,17]
AC_PRESENT[23]
LED_ACIN[16]
AC_IN#[35]
SMI#[5]
CPU_FAN[18]
DD_ON [6,21,29]
THERM_VOLT2[3]
SWI# [5]
PMOSFET_CONTROL# [35]
LOT6_CHG [35]
LAN_WAKEUP# [18]
CPU_FANSEN [18]
RSMRST# [21]
SB_KBCRST# [23]
PWR_SW #[21]
LID_SW#[13,18]
TP_CLK[18]
TP_DATA[18]
BEEP[15]
LED_BAT_FULL[16]
LED_PW R[16]
LED_BAT_CHG[16]
THERM_VOLT[3]
TOTAL_CUR[35]
ME_WE#[5]
H_PROCHOT_EC[7]
SCI#[5]
CCD_EN[18]
AIRPLAN_LED# [16]
ALL_SYS_PW RGD [13,21]
USB_CHARGE_EN[21,29]
BT_EN[19]
3G_POW ER_EN [19]
PWR_BTN#[23]
SMC_BAT[20,35]
SMD_BAT[20,35]
EC_RTC_RESET[7]
80PORT_DET#[19]
SUSC#[ 20,22,23,32]
SUSB# [6, 8,20,21,22,23,30,31,33]
SUSC# [20,22,23,32]
HSPI_MSI [4]
HSPI_MSO [4]
HSPI_SCLK [4]
HSPI_CE# [4]
SMC_BAT[20,35]
BAT_VOLT[35]
SMD_BAT[20,35]
BAT_DET[35]
SMC_EDP_CLK[11,12,33,34]
SMD_EDO_DAT[11,12,33,34]
80CLK[19]
3IN1[19]
PMC_CORE_PWROK[7]
USB_HUB_RST# [17]
BKL_EN [13]
HSPI_SDIO3 [4]
HSPI_SDIO2 [4]
SUSB#[6,8,20,21,22,23,30,31,33]
WLAN_EN[19]
SUS_PWR_ACK [23]
3G_EN [19]
SUSC# [20,22,23,32]
CHG_JAP [35]
DRAM_CORE_PWROK[22]
KBC_MUTE#[15]
PMC_BATLOW# [23]
VR_PW RGD [21, 34]
WLAN_PWR_EN [19]
VA_ON [31]
SOC_COLD_RESET_N[5]
3G_DET# [19]
HUB_PWR_EN[17]
1.05VS_EN[8]
Title
Size Document Number Rev
Date: Sh eet
of
6-71-W51L0-D02
1.0
[20] KBC (ITE IT8897/8887)
Custom
20 37Tuesday, June 09, 2015
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Size Document Number Rev
Date: Sh eet
of
6-71-W51L0-D02
1.0
[20] KBC (ITE IT8897/8887)
Custom
20 37Tuesday, June 09, 2015
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Size Document Number Rev
Date: Sh eet
of
6-71-W51L0-D02
1.0
[20] KBC (ITE IT8897/8887)
Custom
20 37Tuesday, June 09, 2015
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
R523 *0_04
R509 0_04
R501 *0_04
C388
10u_10V_Y5V_08
R286 *10K_04
R282
*20mil_04
R256 0_04C391 0.1u_16V_Y5V_04
C201
*0.1u_16V_Y5V_04
R281 *10K_04
R241 *10_04
R527 33_04
R268 *0_04
C183
0.1u_16V_Y5V_04
R288 0_04
LPC
DAC
SMBUS
PWM
PS/2
WAKE UP
GP INTERRUPT
UART
K/B MATRIX
IT8887H
ADC
U6A
IT8987E
KBRST#/GPB6
4
SERIRQ/GPM6
5
LFRAME#/GPM5
6
LAD3/GPM3
7
LAD2/GPM2
8
LAD1/GPM1
9
LAD0/GPM0
10
LPCCLK/GPM4
13
WRST#
14
ECSMI#/GPD4
15
PWUREQ#/BBO/SMCLK2ALT/GPC7
16
RI1#/GPD0
18
L80LLAT/GPE7
20
RI2#/GPD1
21
LPCRST#/GPD2
22
ECSCI#/GPD3
23
PWM1/GPA1
25
PWM5/GPA5
31
PWM6/SSCK/GPA6
32
GINT/CTS0#/GPD5
33
PWM7/RIG1#/GPA7
34
SSCE0#/GPG2
77
DAC3/TACH1B/GPJ3
79
PS2CLK0/TMB0/CEC/GPF0
85
PS2CLK1/DTR0#/GPF2
87
PS2CLK2/GPF4
89
PS2DAT2/GPF5
90
RXD/SIN0/GPB0
108
TXD/SOUT0/GPB1
109
SMCLK0/GPB3
110
SMDAT0/GPB4
111
SMCLK2/PECI/GPF6
117
GA20/GPB5
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/IN IT#
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
CRX0/GPC0
113
CTX1/SOUT1/SMDAT3/GPH2/ID2
122
PS2DAT0/TMB1/GPF1
86
PS2DAT1 /RTS0#/GPF 3
88
ADC0/GPI0
66
ADC1/GPI1
67
ADC3/GPI3
69
ADC4/GPI4
70
ADC7/CTS1#/GPI7
73
HDIO3/GPJ1
95
FSCE#
101
FMOSI
102
FMISO
103
FSCK
105
VSS6
104
R266 *0_04
R515 0_04
R500 *0_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
R512 0_04
C390
0.1u_16V_Y5V_04
R270
10K_04
R267 33_04
R503 *10K_04
C179
0.1u_16V_Y5V_04
R342 10K_04
R510 *0_04
R513 33_04
R585 *0_04
R240 100K_04
C202
0.1u_16V_Y5V_04
R278 10K_04
R587 *100K_04
R237 *0_04
R293 *0_04
R276 10K_04
R526 3.3K_1% _04
IT8887H
U6B
IT8987E
PWM0/GPA0
24
PWM2/GPA2
28
PWM3/GPA3
29
PWM4/GPA4
30
ADC2/GPI2
68
ADC5/DCD1#/GPI5
71
ADC6/DSR1#/GPI6
72
CLKRUN#/GPH0/ID0
76
DAC4/DCD0#/GPJ4
80
DAC5/RIG0#/GPJ5
81
SMCLK1/GPC1
115
SMDAT1/GPC2
116
SSCE1#/GPG0
125
GPJ7
2
TACH1/TMA1/GPD7
48
EGAD/GPE1
82
EGCS#/GPE2
83
EGCLK/GPE3
84
HMOSI/GPH6/ID6
93
HSCE#/GPH3/ID3
96
HSCK/GPH4/ID4
97
HMISO/GPH5/ID5
98
FDIO3/DSR0#/GPG6
99
FDIO2/DTR1#/SBUSY/GPG1/ID7
100
CRX1/SIN1/SMCLK3/GPH1/ID1
119
GPJ6
128
TACH2/HDIO2/GPJ0
94
DAC2/TACH0B/GPJ2
78
SMDAT2/PECIRQT#/GPF7
118
KSO16/SMOSI/GPC3
56
KSO17/SMISO/GPC5
57
R502 *10K_04
R261 1.5K_04
C185
0.1u_16V_Y5V_04
R242 0_04
R252 0_04
R260 47_04
R243 *0_04
J_80DEBUG2
85204-04001
1
2
3
4
R257 *43_1%_04
D11
BAV99 RECTIFIER
A
C
AC
R259 1.5K_04
C180
0.1u_16V_Y5V_04
R506 3.3K_1% _04
R258 0_04
D10
BAV99 RECTIFIER
A
C
AC
R525 0_04
R262 47_04
R239
*0_04
U29
GD25Q10TIGR
CE#
1
SO
2
WP#
3
VSS
4
SI
5
SCK
6
HOLD#
7
VDD
8
R247 0_04
D12
BAV99 RECTIFIER
A
C
AC
R265 *10K_04
R254 *0_04
R287 0_04
R263 *10K_04
R292 *0_04
R255 *0_04
R290 0_04
R514 *0_04
R505 *0_04
R524 10K_04
C178 *10p_50V_NPO_04
C181
0.1u_16V_Y5V_04
R245 0_04
D9
BAV99 RECTIFIER
A
C
AC
R271 *10K_04
C184 *10p_50V_NPO_04
R269 0_04
.
L8
HCB1005KF-121T20
R486 100K_04
R275 *0_04
C182 0.1u_16V_Y5V_04
R291 *0_04
C197 1u_6.3V_X5R_04
R264 *0_04
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