SDI_D_C
BB_MOSI
J903
SMART CARD CONN
B+
SW
_B
+2
_E
N
UTXD2_UF
URTS2_UF
SIM_PD1_UF
SPICS8
SCKA_UF
STDA_UF
SPICS6
URXD2_UF
UCTS2_UF
VSIM_EN1_UF
SC2A_UF
INT3_UF
SPICS7_UF
Q900
VR943
J901
CE BUS
BATT_FDBK
EXT_BATT
USB+_UTXD
USB_UXRD
SW_B+
USB_PWR
UCTS
UCDC
URI
UDTR
UDSR
AUDIO_OUT
AUDIO_IN
ON_OFF
V2
OC3
V
SI
M
1
J650
BOOM MIC
VR901
VR902
HS_SPKR
V2
U1912
HS_SPKR
SPK-
SPK+
SPEAKER
CONTACT PADS
J904
J902
VR903
5V
GCAP_CLK
SIM_PD0
ALRT_VCC
V_BOOST
SIM_CLK
SIM_RST
SIM_TX
SIM_RX
Y900
32,768kHz
M810
Motor
V2
USB+
USB_VP
USB_EOP
UTXD_VDOUT
URTS_USBXRXD
URXD_USBVM
USB_TXENB
USB-
SIM_TX
USB_VCCR
LS_SIM_RST
SIM_IO
LS_SIM_CLK
U904
U904
J900
SIM BLOCK
U
90
3
USB_PWR
BATT_FDBK
USB+
USB-
UCTS_CE
UDCD
URI_CE
UDTR
UDSR_CE
INT4
INT5
SW_B+
B+
SW_B+_EN
Q600
URXD2_SIM_RX1
UCTS2_SIM_RST1
VSIM_EN1
INT3
SPICS7
URTS2_SIM_CLK1
SIM_PD1
UTXD2
SIM_TX1
U902
SR_VCC
SR_CS
EB1_N
EB0_N
OE_N
RW_N
V1
FLASH_CS
BRST_CLK
OE_N
EB1_N
ADV_N
RESET_OUT
U702
U701
DATA(15:0)
ECB_N
V3
EB1_N
EB0_N
CE2
OE_N
RW_N
U703
ADDRESS(23:0)
B+
V2
VSIM1
V3
V1
CR901
USB_PWR
USB_33
M
ID
R
A
TE
_2
B+
V3
B+
V
_B
U
C
K
V
_B
O
O
ST
VREF
IV
D
D
A
L
R
T_
V
C
C
PA
_D
R
V
V
_B
U
C
K
B+
V
SI
M
_E
N
U900
GCAP3
SR_CS
CE1
SR_VCC
V3
DIG_AUD(3:0)
Q938
B+
ALRT_VCC
ALERT
AL900
VR907
VR908
PA_DRV
V2
DATALOG_N
UCTS2_SIM_RST1
UCTS_CE
UCTS
V2
U1906
G
C
A
P_
13
M
H
z
VAG
BB_SPI_CLK
BB_MOSI
BB_MISO
GCAP_SPI_CS
TX_KEY
V1
V3
WDOG
RESET
THERM_BIAS
PWR_SW
O
N
_O
FF
GCAP_INT
EXT_B+
STBY
W
D
I
B+
V2
B
A
T
T
_S
E
R
_D
BATT_FDBK
BATT+
V2
B+
BL_SNK
LED_RED
LED_GRN
EXT_B+
MAIN
J912
BATTERY CONN
V_BOOST
V_BUCK
EXT_B+
BATT+
B+
U
T
X
D
_V
D
O
U
T
BATT+
CR902
CR932
Q932
Q942
U
R
X
D
_U
SB
V
M
U
R
T
S_
U
SB
X
R
X
D
U
C
T
S
U
D
SR
U
D
T
R
U
D
C
D
U
R
I
IN
T
5
IN
T4
U
TX
D
2
RW_N
CE4
CE2
FLASH_CS
BRST_CLK
ADV_N
ECB_N
EB0_N
EB1_N
OE_N
CE5
CE3
CE1
V3
V2
IVDD
JVDD
OVCC
V3
V2
CR700
V2
V3
V3
V3
V3
V2
V2
JTAG
DVDD
EV
D
D
BVDD
CVDD
MOD
H
V
D
D
A
V
D
D
C
L
K
_S
E
L
EC
T
ST
B
Y
GCAP_CLK
OC3
WDOG
RESET_OUT
RESET
INT3
U700
SI
M
_T
X
SI
M
_R
X
SI
M
_R
ST
SI
M
_C
L
K
V
SI
M
_E
N
SIM_PD0
SI
M
_T
X
1
U
R
X
D
2_
SI
M
_R
X
1
U
C
T
S2
_S
IM
_R
ST
1
U
R
T
S2
_S
IM
_C
L
K
1
V
SI
M
_E
N
1
SI
M
_P
D
1
B
FS
R
B
D
R
B
C
L
K
R
B
D
X
B
C
L
K
X
M
ID
R
A
T
E
_2
M
ID
R
A
TE
_1
B
A
T
T
_S
E
R
_D
R
X
_A
C
Q
D
M
_C
S
T
X
_K
E
Y
R
X
_E
N
SW
_B
+_
E
N
N
_T
X
_E
N
N
_E
X
C
_E
N
EXT_B+
BATT+
EXT_BATT
VR940
Q945
M
ID
R
A
T
E
_1
EXT_BATT
BATT_FDBK
DATALOG_N
U
R
T
S2
_S
IM
_C
LK
1
V2
V2
CR950
CR500
U1909
CR850
VR501
LED_RED
LED_GRN
J910
MICROPHONE
DNP
U1907
U1908
V2
UTXD2
URI_CE
URI
URXD2_SIM_RX1
UDSR_CE
UDSR
V2
V3
V2
IRDA_EN
IRDA_TX
IRDA_RX
IRDA
U990
ALRT_VCC
BL_SNK
KEYPAD LED’s
BB_MOSI
SDI_D_C
RESET_OUT
DISP_SPI_CS
IVDD
BB_SPI_CLK
BL_SNK
ALRT_VCC
Q944
J700
DISPLAY CONN
CR940
KBR7
KBR6
KBR5
KBR4
KBC1
SW_B+2_EN
SPICS8 SPICS7
GCAP_SPI_CS
SPICS6
DISP_SPI_CS
MAGIC_SPI_CS
BB_MISO
BB_SPI_CLK
RF_MOSI
RF_SPI_CLK
VR904
USB_VP
IRDA_TX
IRDA_RX
DATALOG_N
IRDA_EN
USB_TXENB
USB_EOP
URTS_USBXRXD
GCAP_INT
KBC0
KBR1
KBR0
DSP_DE
MCU_DE
TCK
TMS
TRST
TDO
TDI
V2
RESET
GCAP_13MHz
MAGIC_13MHz
HS_INT
PWR_SW
KBC0
S500
SWITCH
KBR1
KBR0
KBR6
KBR5
VR909
VR910
VR948
KBR7
KBC1
K
B
C
1
K
B
R
5
KBR5
KBC0
K
B
C
0
K
BR
7
RX SIGNAL PATH
TX SIGNAL PATH
MAIN VCO SIGNAL PATH
TUNING VOLTAGES
13 MHz REFERENCE CLOCK
TEXT
REFERENCE SIGNALS
DATA BUS
ADDRESS BUS
CHRG_C
BATTERY CHARGER
MIDRATE CHARGER
PR
S
T
ri
B
an
d
T
28
0
(P
an
th
er
2)
8
48
85
16
k0
1_
P1
3.
5
TP15
TP16
UTXD
URXD
PATRIOT
RTC BATT
CR903
VR801
P280 - AL SCHEMATICS
Summary of Contents for TIMEPORT 280
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Page 50: ...46 May 14 2001 6881038B15 Part Number Charts P280 ...
Page 57: ...P280 BOARD LAYOUT PAGE 1 2 ...
Page 58: ...P280 BOARD LAYOUT PAGE 2 2 ...
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