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Schematic Diagrams

KBC ITE IT8987E 5

4

ITE8987

17

3

AIRPLAN_LED# KBC_AVDD

0420 modify

.

VDD3 C179

C240

10u_10V_Y5V_08

C202

0.1u_16V_Y5V_04

C180

0.1u_16V_Y5V_04

0.1u_16V_Y5V_04

0.1u_16V_Y5V_04

*0402_short

1

100K_04 KBC_WRESET# 14 0.1u_16V_Y5V_04 126 4 29 AC_IN# 16 17 LED_ACIN AC_PRESENT 20 R319 C226

0419 Modify 37 37

23 15

SMI# SCI#

77

Sheet 21 of 39 KBC ITE IT8987E

C

19

CPU_FAN

CPU_FAN 0.1u_16V_Y5V_04

C211

79

K/B MATRIX

GPD3/ECSCI# GPD4/ECSMI# GPG2/SSCE0#

DAC

IT8987

GPJ3/DAC3/TACH1B

MODEL_ID

⎗ 婧㔜 3 3 - - 1 0 0 ohm by Project 29 SMC_BAT 29

73

47_04 47_04

110 111 117

VHSPI (1.8V/3.3V) PWRSW/GPE4

GPB3/SMCLK0 GPB4/SMDAT0

HDIO3/GPJ1

80CLK 3IN1

85 87

0511 CHG

22,23

USB_CHARGE_EN 20 BT_EN 19 19

IT8887/IT8987: 㓗 ㎜ 1.8V/3/3 V by EC setting

TP_CLK TP_DATA

86 88 89 90

KB-SI0 KB-SI1 KB-SI2 KB-SI3 KB-SI4 KB-SI5 KB-SI6 KB-SI7

4 5 6 8 11 12 14 15

36 37 38 39 40 41 42 43 44 45 46 51 52 53 54 55

KB-SO0 KB-SO1 KB-SO2 KB-SO3 KB-SO4 KB-SO5 KB-SO6 KB-SO7 KB-SO8 KB-SO9 KB-SO10 KB-SO11 KB-SO12 KB-SO13 KB-SO14 KB-SO15

1 2 3 7 9 10 13 16 17 18 19 20 21 22 23 24

106

TACH0A/GPD6

GPA1/PWM1 GPA5/PWM5 GPA6/PWM6/SSCK GPA7/PWM7/RIG1#

TMRI0/GPC4 TMRI1/GPC6

GPF0/PS2CLK0/TMB0/CEC GPF2/PS2CLK1/DTR0# L80HLAT/BAO/GPE0 GPF1/PS2DAT0/TMB1 OPTION GPF3/PS2DAT1/RTS0# OPTION

J_KB2 85208-24051

14"

KB-SI0 KB-SI1 KB-SI2 KB-SI3 KB-SI4 KB-SI5 KB-SI6 KB-SI7

4 5 6 8 11 12 14 15

RING#/PWRFAIL#/CK32KOUT/LPCRST#/GPB7

GPD0/RI1# GPD1/RI2#

KB-SO0 KB-SO1 KB-SO2 KB-SO3 KB-SO4 KB-SO5 KB-SO6 KB-SO7 KB-SO8 KB-SO9 KB-SO10 KB-SO11 KB-SO12 KB-SO13 KB-SO14 KB-SO15

1 2 3 7 9 10 13 16 17 18 19 20 21 22 23 24

PWR_BTN#

H_PROCHOT_EC

GPD5/GINT/CTS0# GPB0/RXD/SIN0 GPB1/TXD/SOUT0 VCORE

7

4

0428 Modify net name

78

ME_WE

68

38 PMIC_THERMTRIP EC㍍ 㓞 ⇘ALL_SYS_PWR GD del ay > 7

SUS_STAT_N

GPH0/ID0/CLKRUN# OPTION GPJ4/DAC4/DCD0# OPTION GPJ5/DAC5/RIG0# OPTION

0420

IT8987E

modify D

71 72

GPI2/ADC2

IT8987

R798

*0_04

GPI5/ADC5/DCD1# OPTION GPI6/ADC6/DSR1# OPTION

VSTBY_FSPI

R240 R255 R241

KSO16/SMOSI/GPC3 KSO17/SMISO/GPC5

95

TACH2/HDIO2/GPJ0

115 116 118

14,21 SMC_EDP_CLK 14,21 SMD_EDP_DAT 7 PMU_SLP_S0#

GPC1/SMCLK1 OPTION GPC2/SMDAT1 OPTION GPF7/SMDAT2/PECIRQT#

HSCE#/ID3/GPH3 HSCK/ID4/GPH4 HMISO/ID5/GPH5 FDIO3/DSR0#/GPG6

OPTION

0512 Add

38

EC_EMMC_LED#

7

PMU_BATLOW#

24 28 29 30

OPTION EGAD/GPE1 OPTION EGCS#/GPE2 OPTION EGCLK/GPE3 GPA2/PWM2OPTION OPTION TACH1/TMA1/GPD7 GPA3/PWM3 OPTION GPA4/PWM4 OPTION CRX1/SIN1/SMCLK3/ID1/GPH1

GPA0/PWM0 OPTION

GPJ7 VDD3 1.8VA 3.3V

19

47 120 124

DD_ON

18,22,23,24

BKL_EN

15

0511 modify

EC_RSMRST# SB_KBCRST#

125

CCD_EN

OPTION GPJ6

LOT6_CHG PM_PWROK

123

VSS6

10K_04

VDD3

20

93 94

R291

0_04

7

R282

0_04

LED KB FOR 15"

SUSB#

7,15,18,22

SUSC#

7,25

VNN_EN 27 CHG_JAP 29 VA_ON 22 C

48 119

1.8VA_EN

2 128

28

3G_EN 20 3G_POWEREN

SMI# SCI# SWI#

FP225H-006S10M 15"

20

R28 R22 R24

10K_04 2.2K_04 10K_04 SMC_BAT SMD_BAT BAT_DET

PCLK_KBC

R311

*10_04

R26 R29

R246 R245 R345

0_04 VDD3 *0_04 3.3V

1.5K_04 1.5K_04 10K_04

BAT_VOLT

C239

PCLK_KBC_R

C212

VDD3

1u_6.3V_X5R_04 *10p_50V_NPO_04

0630 CHG PF for factory bug

29 7,26

LAN_WAKEUP#

1.24VA_PG 28 1.05VS_PG 28 VR_PWRGD 22,26 3G_RST# 20

82 83 84

KB_LED_PWR

1 2 3 4 5 6

19

ITE8887_PN96 ITE8887_PN97 ITE8887_PN98

96 97 98 99

GPG0/SSCE1# OPTION IT8987E

J_LEDKB1

22 38

CPU_FANSEN PM_PWROK

R263

WLAN_PWR_EN SUS_PWR_ACK

0629 CHG

10K_04

35 17

56 57

OPTION

HMOSI/ID6/GPH6

OPTION

0_04 *0_04 *0_04

8987_AUTO_LOAD_PWR

100

SSCE0#/GPG2

OPTION

GPJ2/DAC2/TACH0B OPTION OPTION

5ms ⼴ ㇵ 䘤DELAY_ALL_SYS_PWRG D 7 DELAY_ALL_SYS_PWRGD

14,21 14,21

15" L14

. *HCB1608KF-121T25

19

SMC_EDP_CLK SMD_EDP_DAT

KB_LED_PWR

R251 R250

*0_04 *0_04

CSCL CSDA

19 19

To VGA(2168)

C300 VDD3 *10u_6.3V_X5R_06

19

SWI#

37

15" 5VS

112

PMOSFET_ CONTROL#

101 102 103 105

15"

ALSPI_CE# ALSPI_MSI ALSPI_MSO ALSPI_SCLK

KB_LED_PWR

FON-KB 1 2 3 4

KBLIGHT_ADJ

C

SMC_BAT

FON VIN VOUT VSET NCT3940S-A 15"

GND GND GND GND

B

AC D1 BAV99 RECTIFIER

U24

29

*0.1u_16V_Y5V_04

INTERRUPT UART

108 109

85205-04001

10K_04 14" 10K_04 15"

8 7 6 5

A C

SMD_BAT

AC D2 BAV99 RECTIFIER

A C

BAT_DET

AC D4 BAV99 RECTIFIER

A C

0629 CHG

BAT_VOLT

AC D5 BAV99 RECTIFIER

104

0420

A

modify

AVSS

7

33

76 80 KBLIGHT_ADJ 81

20 WLAN_EN 16 KBC_MUTE#

C301

FSCE# FMOSI FMISO FSCK

75

GP D01 to D02

R329

U11B

15"

GPF4/PS2CLK2 GPF5/PS2DAT2 VSS1 VSS3 VSS4 VSS5 GPC0/CRX0 GPG1/ID7/DTR1#/SBUSY OPTION

18 21

4 3 2 1

3IN1 80CLK

10K_04

RB

5VS

CTX0/TMA0/GPB2

1 27 49 91 113 122

PWR_SW# LID_SW#

R180

RA

MODEL_ID

24

WAKE UP 22 15,19

0V

R333

J_KB2

107

R790

GPF6/SMCLK2/PECI

PS/2

B

3.3V

10K

GPI7/ADC7/CTS1#

PWM 25 31 32 34

16 KBC_BEEP LED_BAT_CHG LED_BAT_FULL 17 LED_PWR

58 59 60 61 62 63 64 65

POWER

RTS1#/GPE5 LPCPD#/GPE6

17 17

X

X

Bay tril 䓐898 7 aut o loa d shar e RO M ἧ ἧ䓐1. V 8 䓐IT E 8887 H shar e RO M ἧ䓐1 8V . Braswell ἧ ἧIT E 898 7 no n shar e RO 䓐 M ἧ䓐V D D 3 姕⭂ FS PI LEVEL(3.3V/1.8V ) ,ἧ 䓐 S T B Y VSTBY_FSPI䁢

GPI0/ADC0 GPI1/ADC1 GPI3/ADC3 GPI4/ADC4

SMBUS R254 R253

SMD_BAT

VDD3 J_80DEBUG1

10K

N250PU

0629 CHG

KSI0/STB# KSI1/AFD# KSI2/INIT# KSI3/SLIN# KSI4 KSI5 KSI6 KSI7

KSO0/PD0 KSO1/PD1 KSO2/PD2 KSO3/PD3 KSO4/PD4 KSO5/PD5 KSO6/PD6 KSO7/PD7 KSO8/ACK# KSO9/BUSY KSO10/PE KSO11/ERR# KSO12/SLCT KSO13 KSO14 KSO15

GPB5/GA20 GPB6/KBRST# GPC7/PWUREQ#/BBO/SMCLK2ALT GPE7/L80LLAT OPTION

24 1

J_KB1

74

LPC

WRST#

ADC 66 67 69 70

29 BAT_DET 29 BAT_VOLT 3 THERM_VOLT 29 TOTAL_CUR

OPTION (⎗ ẍ 嬲≽ὅ E C ㍸ ὃ䘬 E XEC L 堐 ) 㛒 ⛐ E X E CL堐 ᷕ 䘬 ≇ 傥⎗ẍ冒 埴 ␥ ⎵

FOR 15"

J_KB1 85208-24051

AVCC

3 GPH7

11

26 50 92 114 121 127 VSTBY1 VSTBY2 VSTBY3 VSTBY4 VSTBY5 VSTBY6(PLL)

GPM0/LAD0 GPM1/LAD1 GPM2/LAD2 GPM3/LAD3 GPM4/LPCCLK GPM5/LFRAME# GPM6/SERIRQ GPD2/LPCRST#

12

B.Schematic Diagrams

VDD3

VCC (1.8V/3.3V)

U11A

10 9 8 7 13 6 5 22

DEBUG PORT

VOLTAGE

VDD3

FOR 14"

KBC_AGND

3.3VA

RB

N240PU

0.1u_16V_Y5V_04

0511 del

7,18 LPC_AD0 7,18 LPC_AD1 7,18 LPC_AD2 7,18 LPC_AD3 7 PCLK_KBC 7,18 LPC_FRAME# 7,18 SERIRQ 7,10,18,19,20 BUF_PLT_RST#

1

RA

0511 del

C12 R17

VDD3

C235

D02 to D02a D

2

MODEL_ID

braswell platform PIN 106 8887H 䔞 HSPI 䘬leve l䁢3.3 V, PIN1 6 0 ㍍3 3V . 8887H 䔞 HSPI 䘬leve l䁢1.8 V, PIN1 6 0 ㍍1 8V . VDD3 EC ROM(EC ROM for BIOS+ME+EC) power ㍍ 8987 PIN 106 ㍍ VDD3( EC ROM for EC), ⎴E C SPI ROM POWER VDD3 EC ROM(EC ROM for BIOS+ME+EC) power ㍍

L12 HCB1005KF-121T20

0504 DEL

R46 *20mil short-p VDD3

C210 C173 0.1u_16V_Y5V_04

KBC_SPI_*_R = 0.1"~0.5"

0.1u_16V_Y5V_04

KBC_AGND SPI_VDD_1

A

1.05VS_EN

28

ALL_SYS_PWRGD

㑯 IT8987: 3.3VS/1.8VS怠 EC code setting

15,22

by

U6

8

R225 3.3K_1%_04 FDIO2

3

R220 3.3K_1%_04 FDIO3

7

VDD

SI

WP#

CE#

SO

SCK HOLD#

VSS

33_04

ALSPI_MSI

2

R222

33_04

ALSPI_MSO

1

R219

0_04

ALSPI_CE#

6

R224

33_04

ALSPI_SCLK

5

R228

A

ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/

4

Title

GD25D10BTIGR PCB Footprint = M-SO8

Size Custom Date:

0630 CHG FP 5

B - 22 KBC ITE IT8987E

4

3

2

[21] KBC (ITE IT8987E) Document Number

Rev 2.0

6-71-N24P0-D02

Friday, August 05, 2016

Sheet 1

21

of

39