Mobilchips
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
Schematics & manuals on www.mobilchips.com
Mobilchips
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