CLK_32KHZ

BT_26MHz

RX_EN

Antenna

HAND_SPKR -

A

B

C

D

E

F

G

H

Bluetooth Antenna

EXT_OUT

EXT_OUT

HAND_SPKR +

ALERT +

ALERT -

I

HJACK_MIC

J

HJACK_SPKR

TX_MOD

BLUE_WAKE*

EXC_EN

TX_CP

V

80 8486752P

04

GSM SERVICE SUPPORT GROUP

V 80

Level 3 Signal Flow

Alexander Buehler, Michael Hansen

2004.06.09

Rev. 1.0

Page 1 of 2

REVISIONS

8486752P04

1

3

4

6

FL100

U50

13
14

16
17

19
20

22
23

39

38

U150

44

47

26 27 28

29

35

U800

D5

A9

B8

B9

A8

D4

D8

B5

E3

A1

B1

U900

G2

N1

B6

E1

H2

R2

U1

M3

N2

B5

B4

C

D

A

B

E

F

G

H

U700

U301

25

15

16

12

REF_REG

IO_REG

VBOOST

VBUCK

RF_5V_REG

RX_CP

TX_EN

EUROB_US

LOWB_HIGH

21

23

25

27

29

4

6

BLUE_HOST_WAKE*

BLUE_CLK_EN*

VBUCK

NEP_IO_REG

RF_REG

I

J

W2

TRSD

RD3_INT

IO_REG

PWR_SW

RTCK

GND

VPP

V 8

0

TDI

TDO

WDOG

MOD

V

80 8486752P

04

GSM SERVICE SUPPORT GROUP

V 80

Level 3 Signal Flow

Alexander Buehler, Michael Hansen

2004.06.09

Rev. 1.0

Page 2 of 2

REVISIONS

8486752P04

A

B

G

H

I

J

Antenna

HAND_SPKR -

A

B

C

D

E

F

G

H

Bluetooth Antenna

EXT_OUT

EXT_OUT

HAND_SPKR +

ALERT +

ALERT -

I

HJACK_MIC

J

HJACK_SPKR

C

D

E

F

TMS

TCK

RESETB

DSP_DEB

TDI

MCU_DEB

BT_ANT