Sheet 22 of 42 KBC-ITE IT8512, I G H T N E S S

Schematic Diagrams

KBC-ITE IT8512

V D D 3

K B C _ A V D D

L1 1

V D D 3

R 14 8

1 0K _ 0 4

W D T _ E N

V D D 3

F CM 16 0 8 K -1 2 1T 0 6

R 21 8

1 0K _ 0 4

V D D 3

R 2 16

1 0 K _ 0 4

U 1

C 2 9 9

C 25 7

C7 1 4

C 24 8

C 21 2

C 1 91

C 1 9 9

1 0 K _ 04

R 20 5

P J 4

V S

L I D _ S W #

1 0U _ 1 0V _0 8 0 . 1 u _ 16 V _ 0 4 0 . 1 u_ 1 6 V _ 0 4 0 . 1 u _ 1 6V _ 0 4

0 . 1 u _1 6 V _ 0 4

* 1 u_ 1 0 V _ 06

*1 u _ 10 V _ 0 6

Z 2 2 1 0

MR #

1 Z 2 21 1

24 0 m li

1 0 0 K _0 4

P R G

G ND

R E S E T #

C 6

G ND

C 7

3 . 3 V S

K B C _ A G N D

3/15_Cost

down

V D D 3

C 30 7

V CC

W D I

Q2 5

K B C _ W R E S E T #

* 0 . 01 u _ 5 0V _0 4

T L E _ 4 91 7 D S

0. 1u _ 1 6V _0 4

GN D

2N 7 0 02

C 29 8

0 6

0. 1u _

_0 4

M570U

connector

D D 3

0 . 1 u _1 6 V _ 0 4

A T3 5 1 0 IGV -2 . 9 3 -C

-C -T 1

3I N 1

0V1

3/12_cost down

C 8

62 05 29 11 4 121 21 7

S M C _ B A T1

A C

1 u

U 6

J _ K B 1

D1 2

J_KB1

B A V 9 9

1 3

L P C _ A D 0

L A D 0

VC C

TSB Y TSB Y TSB Y TSB Y TSB Y TSB Y

BVA T

VAC C

K S I 0 / S T B #

5 9

S M D _ B A T1

D 8

K B -S I 1

1 0

5 8

K B -S I 0

A C

1 3

L P C _ A D 1

L A D 1

V V V V V V

K S I 1/ A F D#

6 0

K B -S I 2

B A V 9 9

R 5 4 2

1 2 0 K _ 0 4

V GA F A N1 _ ON _R

1 3

L P C _ A D 2

L A D 2

K S I 2 / INI T#

6 1

K B -S I 3

3 7

V G A F A N 1 _O N

1 3

L P C _ A D 3

1 3

L A D 3

K S I3 /S L IN#

6 2

K B -S I 4

1 1

B A

T1 _ D E T

C 71 5

0 . 1 u _ 16 V _ 0 4

1 8

P C L K _ K B C

L P C C L K

K S I 4

6 3

K B -S I 5

1 2

1 3 L P C _F R A M E #

L F R A M E #

LPC

K/B MATRIX

K S I 5

1 5

I N T _ S E R I R Q

6 4

K B -S I 6

1 4

B A V 9 9

2 2

S E R IRQ

K S I 6

6 5

K B -S I 7

1 5

B A T1 _ V O LT

A C

1 2

C P U _ F A N

R 1 4 3

1 2 0 K _ 0 4

C P U _F

A N _ R

5 , 1 4 , 3 7 P L T _R S T #

L P CR S T # / W UI 4 / G P D2 ( P U )

K S I 7

2 9

B A T1 _ V O LT

K B C _ W R E S E T #

1 4

3 6

K B -S O0

C 21 1

0 . 1 u _ 16 V _ 0 4

W R S T#

K S O 0 /P D0

3 7

K B -S O1

B A V 9 9

K B C _ GA 20

1 2 6

K S O 1 /P D1

GA 2 0 /G P B 5

3 8

K B -S O2

K S O 2 /P D2

3 9

K B -S O3

C H G _ C U R S E N A C

2 9

A C _I N #

1 6

K B R S T #/ G P B 6 ( P U )

K S O 3 /P D3

4 0

K B -S O4

2 9 C H G_ C U R S E N

2 8 L C D _ B R I G H T N E S S

R 1 8 9

1 2 0 K _ 0 4

B R I G HT N E S S

2 4 L E D _A C I N #

2 0

P W U RE Q # /GP C 7 ( P U

)

K S O 4 /P D4

4 1

K B -S O5

1 0

B A V 9 9

2 , 3, 1 5

P M _ TH R M #

L 80 L L A T /GP E

P U )

K S O 5 /P D5

4 2

K B -S O6

1 3

C 30 4

0 . 1 u _ 16 V _ 0 4

2 3

K S O 6 /P D6

T O TA L_ C U R

A C

3 3, 38

W E B 0 #

E CS CI # / G P D3 ( P U )

4 3

K B -S O7

1 6

2 9

T OT A L _ C U R

1 5

K S O 7 /P D7

4 4

K B -S O8

1 7

3 8

W E B 1 #

E CS MI # / G P D4 ( P U )

K S O 8/ A CK #

4 5

K B -S O9

1 8

B A V 9 9

DAC

K S O 9 /B US Y

4 6

K B -S O1 0

1 9

C 86 1

1 u _1 0 V _ 0 6

C P U _F A N _ R

7 6

K S O1 0 /P E

5 1

K B -S O1 1

2 0

V GA F A N 1 _ ON _R

7 7

DA C 0 / GP J0

K S O1 1 /E R R#

5 2

K B -S O1 2

2 1

EVT

3 6

W L A N _ P W

7 8

DA C 1 / GP J1

K S O1 2 / S L CT

5 3

K B -S O1 3

2 2

V D D 3

7 9

DA C 2 / GP J2

IT8512E

K S O 13

5 4

K B -S O1 4

2 3

2007/12/15

2 4, 36

W LA N _ E N

8 1

DA C 3 / GP J3

K S O 14

5 5

K B -S O1 5

8 5 2 0 2-2 4 0 5 1

K B C _ S W I #

D C19

*S AC S 7 5 1 V -4 0

S W I #

1 5

K B C _ A C / B A T L #

R 1 8 1

1 0 K _ 0 4

2 6

K B C _ M U T E #

DA C 5 / GP J5

1 5

C A S E _ F A N

8 0

DA C 4 / GP J4

K S O 15

2 4

FLASH

2 9

B A T1 _ D E T

6 6

A DCADC0 / GP I 0

F L F RA ME # /G P G2

1 0 0

Z 2 2 0 3

S MD _ B A T 1

R1 6 9

4 . 7 K _ 0 4

S MC _ B A T 1

R1 6 7

4 . 7 K _ 0 4

B A T1 _ V O L T_ R

6 7

A DC 1 / GP I 1

F L A D 0/ S CE #

1 0 1

K B C _ S P I _ C E #

K B C _ G A 20

B A T 1_ D E T

R 1 4 7

1 0 K _ 0 4

C H G _ C U R S E N _ R

6 8

1 0 2

K B C _ S P I _ S I

GA 2 0

1 3

TH E R M_ R S T#

R1 8 4

* 1 00 K _ 0 4

T O TA L_ C U R _ R

6 9

A DC 2 / GP I 2

F LA D1 /S I

1 0 3

K B C _ S P I _ S O

D 17

*S C S 7 5 1 V -4 0

C P U _ TM P _ S E N

7 0

A DC 3 / GP I 3

F L A D 2/ S O

1 0 4

Z 2 2 0 4

3/15_Cost down

4 MC H _ T MP _ S E N

7 1

A DC 4 / GP I 4

F L A D3 /G P G6

1 0 5

K B C _ S P I _ S C LK

7 2

A DC 5 / GP I 5

F L CL K /S C K

1 0 6

1 8

C C D _ D E T #

M OD E L _ I D

7 3

A DC 6 / GP I 6

( P D

)F L RS T # / W U I7 /T M/G P G0

C C D _ E N

1 8

K B C _ S M I #

S MI

1 4 , 1 5

A DC 7 / GP I 7

GPIO

D 11

*S C S 7 5 1 V -4 0

2 9

S MC _ B A T 1

1 0

S MCSMBUSL K 0 /GP B 3

( P D )K S O1 7 /G P C5

5 6

S U S C #

1 5, 31

R 55 3

* 1 0 _0 4

C 7 37

5 7

*1 0 P _ 50 V _ 0 4

( P D )K S O1 6 /G P C3

S U S B #

1 5, 21 , 3 4 , 3 8

2 9

S MD _ B A T 1

1 1 1

S MD A T 0 /GP B 4

9 3

K B C _ S C I #

P CL K _ K B C

Z 2 2 12

1 5

P M_ C LK R U N # 1 5

S C I #

1 4 , 1 5

2 , 3 S M C _ T H E R M

1 6

S MC L K 1 /GP C 1

( P D

)I D0 /G P H0

9 4

D 10

*S C S 7 5 1 V -4 0

2 , 3

S M D _ T H E R M

1 1 7

S MD A T 1 /GP C 2

( P D

)I D1 /G P H1

9 5

C A S E _F A N S E N

1 5

3 7 S M C _ T H E R M _V GA

S MC L K 2 /GP F

P U )

( P D

)I D2 /G P H2

W D T _E N

MX M_ P W R O K 1 5 , 37

3 7

S M D _ T H E R M _V GA

1 8

9 6

S MD A T 2 /GP F

P U )

( P D

)I D3 /G P H3

9 7

PWM

( P D )I D4 /G P H4

W L A N _ D E T # 36

K B C _ R S T#

B A T 1_ V O L T

R 1 4 6

1 0 0 _0 4

B A T 1 _V O L T _R

9 8

B R I G H T N E S S

2 4

( P D

)I D5 /G P H5

9 9

B T _D E T #

2 8

D 18

*S CS 7 5 1 V -4 0

K B C _R S T C #

1 3

2 5

P W M 0/ GP A 0 ( P U )

( P D )I D6 /G P H6

D D _O N

3 3, 34

C H G_ C U R S E N R 1 4 5

1 0 0 _0 4

CH G_ CU R S E N _ R

2 5 K B C _ B E E P

2 8

P W M 1/ GP A 1 ( P U )

( P D )I D7 /G P G1

1 0 7

Z 2 20 1 R 4 7 5

* 0 _0 4

S U S _ P W R _ A C K 1 5

2 4 LE D _ S C R O LL #

2 9

P W M 2/ GP A 2 ( P U )

TO T A L _C UR

R1 4 4

1 0 0 _0 4

TO T A L _C U R _ R

2 4 LE D _ N U M#

P W M 3/ GP A 3 ( P U )

EXT GPIO

K B C _ P W R _ B T N #

3 0

P W R _ B TN # 1 5

C 1 95

C 1 96

C 197

2 4

LE D _ C A P #

3 1

P W M 4/ GP A 4 ( P U

)

8 2

K B C _ S MI #

D 9

*S CS 7 5 1 V -4 0

2 4 LE D _ B A T _ C H G#

3 2

P W M 5/ GP A 5 ( P U )

( P D )E G A D/ GP E 1

8 3

K B C _ S C I #

2 4 LE D _ B A T _ F U L L #

3 4

P W M 6/ GP A 6 ( P U )

( P D )E G CS #/ GP E 2

8 4

K B C _ P W R _B TN #

R1 9 4

*0 _ 04

2 4 LE D _ P W R #

8 0 C L K

8 5

P W M 7/ GP A 7 ( P U )

( P D )E G CL K / GP E 3

3 5

D 16

S C S 7 51 V -4 0

A C / B A T L#

3 7

1 u 10V

1u 10V

1 u 10V

PS/2

WAKE UP

K B C _ A C / B A T L #

3 I N 1

8 6

P S 2 CL K 0 /G P F 0 ( P U )

( P D )W U I 5/ GP E 5

1 7

K B C _ R S T #

R S M R S T# 1 5

SPI_SI_R = 0.1"~0.5"

_ 06

_0 6

_ 0 6

P S 2 DA T0 /G P F 1 ( P U )

( P D )L P CP D # / W U I 6/ GP E 6

V D D 3

8 0 P O R T _ D E T #

8 7

3 8

TP _C L K

R 4 76

* 0 _0 4

Z 2 2 0 2

8 8

P S 2 CL K 1 /G P F 2 ( P U

)

PWM/COUNTER( P D )T A C H0 /G P D6

4 7

C P U _ F A N S E N

1 2

C 3 5 5

0. 1 u _ 1 6V _0 4

8 9

P S 2 CL K 2 /G P F 4 ( P U

)

1 5 , 32 , 3 3 S L P _ M#

P S 2 DA T1 /G P F 3 ( P U )

3 8

TP _ D A T A

9 0

P S 2 DA T2 /G P F 5 ( P U )

( P D )T A C H1 /G P D7

4 8

V GA 1 _ F A N S E N 3 7

S 2 0

S P I _ V D D

U1 1

K B C _ S P I _ S I _ R

R 59 0

4 7 _ 04

K B C _ S P I _ S I

WAKE UP

1 2 0

V DD

S I

T H E R M _ R S T #

2 5

( P D

)TM R I 0/W

UI2 /G P C4

P M_ P W R O K

1 5, 28

S H OR T_ 0 . 5 MM

K B C _ S P I _ S O _R

R 58 6

1 5 _ 1% _ 0 4 K B C _ S P I _ S O

1 2 4

S O

K B C _ S P I _ C E #_ R

R 57 4

1 5 _ 1% _ 0 4

K B C _ S P I _ C E #

V C O R E _O N

3 5

1 K _ 0 4 ? ? ?

P W R S W /G P E 4 ( P U

)

( P D

)TM R I 1/W

UI3 /G P C6

R5 7 3

C E #

K B C _ S P I _ S C LK _R

R 58 3

4 7 _ 04

K B C _ S P I _ S C LK

3 3

P W R _S W

1 8

RI1 # /W U I0 /GP D 0 ( P U

)

CIR

( P D )C RX /G P C0

1 1 9

C I R _ I N

V D D 3

Z 2 2 1 3

W P #

S C K

2 1

1 2 3

K B C _ A C / B A T L#

2 8

L I D _ S W #

3 3

RI2 # /W U I1 /GP D 1 ( P U

)

( P D )C T X/ GP B 2

1 9

K B C _ S W I #

Z 2 2 1 4

7 6 4

7 6 3

76 6

7 67

GP INTERRUPT

LPC/WAKE UP

J _ 8 0 DE B U G1

R 5 9 3 4 . 7 K _ 0 4

*33 p

* 33 p

* 3 3p

3 8

W E B 2 #

GIN T /GP D 5 ( P U

)

( P D )L 80 H LA T/ GP E 0

3I N

HO LD #

V S S

2 4, 28

B T _ E N

0 9

RX D /GP B

0( P

U )

CLOCK

Z 2 20 8

80 C LK

S S T 2 5V F 0 16 B

_50V04

UART

( P D )R ING # /P W R F A IL # / L P CR S T #/ GP B 7

1 1 2

C H G_ E N

2 9

80 P O R T _ D E T#

0 8

08/4/8_Alex

S P I _ V D D

2 8

B K L _ E N

T XD / GP

B 1 ( P U )

V S S V S S V S S V S S V S S V S S V S S

A V S

CK 3 2 K E

1 2 8

Z 2 20 9

1 0 M_ 0 4

* 8 52 0 4 -0 5 00 1

S P I _ V D D

J _ S P I 2

CK 3 2 K

R 2 0 4

I T 8 51 2 E / E X

1 1 2 2 7 4 9 91 1 1 3 1 22

7 5

J _ H8 DB G1

K B C _ S P I _ C E #_ R

K B C _ S P I _S C L K _ R

V D D 3

J_H8DBG1

W D T _ E N

V D D 3

K B C _ S P I _ S O _R

K B C _ S P I _S I _R

R 5 3 6

1 0 K _ 0 4

MO D E L _ I D

MODEL_ID

CASE_FAN

X 6

2 1

3I N 1

8 0C L K

* S P N Z -0 8S 3-B -C -0 -P

N C 1 N C _ 0 4

8 0P O R T_ D E T #

1 0

R 5 2 5

* 1 0K _0 4

High

Without

C2 7 8

C 2 7 9

*S P UF Z -1 0 S 3 -V B -0 -B

32 . 7 6 8 K H z

Low

With

K B C _ A G N D

1 2 p _ 50 V _ 0 4

1 2 p_ 5 0 V _ 04

C I R _ I N

R 31 2

10 K _ 0 4

R 70 7

0 _

0 4

2 , 3 , 5 , 9 , 1 2 , 13 , 1 4 , 1 5 , 16 , 1 9 , 2 0 , 21 , 2 3 , 2 4 , 25 , 2 8 , 3 0 , 33 , 3 5 , 3 7

3. 3V S

3 6

C I R _ R X

V D D 3

2, 3, 4 , 1 3 , 2 3 , 24 , 2 9 , 3 3 , 34 , 3 7 , 3 8

V D D 3

D 21

1 S S 35 5

C 86 7 *0 . 1 u _ 16 V _ 0 4

08/4/9_Alex