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GSM_L3_L6___Schematic_v10_2005
L2_L8_ 8471241A01_P3_1
L2 /L8
Level 3 Schematics
Alexander Buehler, Michael Hansen
2005.08.19
Rev. 1.0
8471241A01_P3.1
Page 1 of 7
BT
C
O
N
N
E
C
T
I
V
I
T
Y
BLUETOOTH
SIM
LCD
KPP
BASEBAND PROCESSOR
RF
POWER MANAGEMENT
RF
TXD2
BB_SAP_CLK
BB_SAP_FS
BB_SAP_RX
BB_SAP_TX
BLUE_CLK_ENB
BLUE_HOST_WAKEB
BLUE_WAKEB
B
T
_
R
E
G
C
L
K
_
3
2
K
H
Z
CTS2
P
E
R
I
P
H
_
R
E
G
RESETB
RTS2
RXD2
RX_EN
SYNTH_FB_N
SYNTH_FB_P
TRKG_OSC_OUT
TX_CP
TX_EN
TX_MOD
B
+
BB_I
BB_IX
BB_Q
BB_QX
CM_IN
EUROB_US
EXC_EN
LOWB_HIGH
PA_DET
PA_REF
P
E
R
I
P
H
_
R
E
G
RF_CLK
RF_CS
RF_DATA
RX_CP
U
D
A
T
P
V
UID
U
R
C
V
D
U
R
X
V
M
U
R
X
V
P
U
S
E
0
V
M
U
T
X
E
N
B
VBOOST
VBUCK
VBUS
VIB_REG
VM_REG
V
S
I
M
_
E
N
W
D
O
G
A
G
_
R
E
G
AOC_DRIVE
INT_MIC+
IO_REG
LEDKP
L
O
B
A
T
I
MIC_BIAS1
ON1B
PERIPH_REG
REF_REG
R
E
S
E
T
B
RF_REG
RTC_BATT
SIM_PD
SIM_REG
S
T
A
N
D
B
Y
THERM
T
H
E
R
M
_
B
I
A
S
B
B
_
S
P
I
_
M
I
S
O
B
B
_
S
P
I
_
M
O
S
I
BT_REG
CAM_REG
C
L
K
_
1
3
M
H
Z
C
L
K
_
3
2
K
H
Z
CLK_32KHZ_2_7V
D+
D-
DISP_LED1
DISP_LED2
DISP_LED3EXC_EN
GRAPH_REG
HAND_SPKR+
HAND_SPKR-
V
M
_
R
E
G
V
S
I
M
_
E
N
W
D
O
G
AG_REG
ALERT+
ALERT-A
U
L
_
C
S
A
U
L
_
I
N
T
B+
BATT+
BB_SAP_CLK
BB_SAP_FS
BB_SAP_RX
BB_SAP_TX
B
B
_
S
P
I
_
C
L
K
S
T
A
N
D
B
Y
SYNTH_FB_N
SYNTH_FB_P
T
H
E
R
M
_
B
I
A
S
TRKG_OSC_OUT
TXD2
TX_CP
TX_EN
TX_MOD
UID
U
S
B
_
T
X
E
N
B
U
S
B
_
V
M
I
N
U
S
B
_
V
M
O
U
T
U
S
B
_
V
P
I
N
U
S
B
_
V
P
O
U
T
U
S
B
_
X
R
X
D
V
B
U
C
K
R
E
F
_
R
E
G
R
E
S
E
T
B
RF_CLK
RF_CS
RF_DATA
R
F
_
R
E
G
RTS2
RXD2
RX_CP
RX_EN
SIM_CLK
SIM_DIO
SIM_PD
S
I
M
_
R
E
G
SIM_RST
LCD_DATA[1]
LCD_DATA[2]
LCD_DATA[3]
LCD_DATA[4]
LCD_DATA[5]
LCD_RS
LCD_SDATA_DATA[7]
L
O
B
A
T
I
LOWB_HIGH
LT_SNS_CTL
O
W
B
PA_DET
PA_REF
PC13
PE14
P
E
R
I
P
H
_
R
E
G
GA_CS
GA_INT
I
O
_
R
E
G
KBC0
KBC1
KBR0
KBR1
KBR2
KBR3
KBR4
KBR5
KBR6
KBR7
LCD_CLK_DATA[6]
LCD_CS
LCD_DATA[0]
BB_SAP_CLK
BB_SAP_FS
BB_SAP_RX
BB_SAP_TX
B
B
_
S
P
I
_
C
L
K
B
B
_
S
P
I
_
M
I
S
O
B
B
_
S
P
I
_
M
O
S
I
BLUE_CLK_ENB
BLUE_HOST_WAKEB
BLUE_WAKEB
C
L
K
_
1
3
M
H
Z
C
L
K
_
3
2
K
H
Z
CM_IN
CTS2
E
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