A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
G
P
R
S
D
u
a
lB
a
n
d
T
1
9
2
(B
a
r
ra
cu
d
a
)
8
4
D
8
6
5
0
6
P
_
P
6
.3
R
ev
A
GSM SERVICE SUPPORT GROUP
2001.07.30
Level 3 Schematics
Rev. 1.0
GPRS DualBand T192 (Barracuda)
84D86506P_
P6.3 RevA
Michael Hansen, Ralf Lorenzen-Scheil, Ray Collins
Page 1
REVISIONS
V2
EXT_B+
V2
J903
Q903
V1
V1_SW
DSC_EN
INTR_OUT1
D
S
C
_
T
X
D
UPLINK
DOWNLINK
ON_2
B+
V2
Q804
Q804
B+
V2
BATT_ID
B
A
T
T
_
T
E
R
M
M901
RT900
Q914
MAN_TEST_AD
DWN_OUT
DWN_IN
DSC_RXD
DSC_INN
DSC_INP
V2
SR_VCC
SR_CS
VAG
MIC_INT
J900
Audio Headset Jack
J901
SPKR-
M
IC
_
B
I
A
S
V2
IRQ_2
VR901
V2
STBY_PC5
U900
V2
V3
V1
V
S
IM
1
SVEN0
TX_KEY
RESET
BATT_ID
B+
V
_
B
O
O
S
T
1
GCLK
D901
Y900
32,768kHz
Q912
STBY_PC5
V2
V1_SW
D
S
C
_
R
X
D
V
IB
_
E
N
ALRT_VCC
Q901
VIB2
VIB1
V2
R
E
S
E
T
MQSPI_CLK2
DR2
EXTB+_DET
Q913
B+
V_BOOST1
OSC
V_BOOST
D900
WDI
WDOG
V2
SIM_TX
ALRT_VCC
B+
B+
PWR_ON
SIM_TX
VREF
SIM_RX
B+
Q904
U804
U804
CLK0
RST0
ON_2
B+
SPKR+
M904
SPKR-
M903
VSIM1
CR911
CR912
J902
LS900
ALERT
VSIM1
SIM BLOCK
VR900
VR902
V2
B+
EXT_B+
PWR_ON
ENABLE
TRKL_SET
Q900
U903
U904
D902
CHARGER
RESET
RESET
TRST
TMS
TCK
SIM_RX
BFSR
BDR
VDR
DSC_RXD
DR1
DR2
IRQ_1
OWDAT
EMU0
EMU1
KBC0
KBC1
KBC2
KBC3
KBC4
IRQ_2
MO_ST
V2
VRVA_OUT
TDI
CLK_SELECT
MCLK
CLK0
BCLKR
BCLKX
VCLK
RFI
RCLOCK
MQSPI_CLK1
MQSPI_CLK2
MAGIC_13MHz
GCLK
GCAP_CLK
CE0
CE1
CE2
CE3
VRVA_OUT
CE8
DP_EN_L
SVEN0
FIQ
IRQ
V
D
D
S
V
D
D
V3
VDDS
V2
VCC_MEMIF
VDD
V3
VCCA
V
C
C
_
M
E
M
IF
VCCA
VDD
DATA(0:15)
ADDRESS(0:21)
U800
DX2
V2
V
C
C
_
B
A
T
T
B
A
T
T
_
T
E
R
M
R
E
A
D
E
R
_
C
L
K
R
E
A
D
E
R
_
R
S
T
D
A
T
A
_
IO
B
A
T
T
_
S
E
N
S
E
IN
T
R
_
O
U
T
1
V
IB
_
E
N
B
K
L
T
_
E
N
C
A
R
D
_
P
D
D
P
_
O
N
_
O
F
F
E
N
A
B
L
E
T
R
K
L
_
S
E
T
C
H
R
G
_
S
W
M
Q
S
P
I_
C
S
2
D
S
P
_
C
L
K
_
O
U
T
IN
T
_
C
S
VR903
DATA_IO
READER_CLK
CARD_PD
READER_RST
V_BOOST1
D
A
T
A
_
T
X
R
E
A
D
E
R
_
C
L
K
C
A
R
D
_
P
D
R
E
A
D
E
R
_
R
S
T
V_BOOST1
ALRT_VCC
ALRTOUT
ALRT_VCC
BKLT_EN
Q902
KBR0
KBC3
KBC2
KBC1
KBC0
ON_2
KBR2
KBR1
TSTROBE_N
TSIZE
DBGACK
TDO
SIM_TX
RST0
BDX
VDX
VFSRX
STBY_PC5
MQSPI_CS1
DSC_TXD
KBR0
KBR1
KBR2
KBR3
KBR4
WDI
CE3
CE2
SR_CS
R_W
SR_VCC
U802
R_W
CLK_AM_FM
TIMING7
TIMING6
TX_EN
DM_CS
TX_KEY
RX_EN
RX_ACQ
TSTATE0
TSTATE1
TSTATE2
CE0
CE1
R_W
RESET
V2
U801
T
M
S
T
D
O
T
R
S
T
W
D
O
G
E
M
U
1
T
D
I
E
M
U
0
V
2
T
C
K
J908
V2
DP_EN_L
RESET
V2
RX SIGNAL PATH
TX SIGNAL PATH
MAIN VCO SIGNAL PATH
TUNING VOLTAGES
13 MHz REFERENCE CLOCK
TEXT
REFERENCE SIGNALS
DATA BUS
ADDRESS BUS
DX1
DX2
SIM_I/O
SIM_VCC
RESET
CLK
SIM_I/O
CLK
RESET