Motorola Timeport 280 Service Manual page 56

VSIM_EN1
VSIM_EN1_UF
6
B13
SIM_PD1_UF SIM_PD1
5 D12
A14
8
F11
C13
UCTS G11
URI G10
UDSR F13
INT3_UF INT3
14
K4
UTXD2_UF
UTXD2
C14
1
URTS2_SIM_CLK1
URTS2_UF
3 D13
UCTS2_UF UCTS2_SIM_RST1
4
F12
URXD2_SIM_RX1
URXD2_UF
2
D13
SPI_CS6 SPI_CS6
15
C5
SPI_CS7_UF SPI_CS7
16
F8
SPI_CS8 SPI_CS8
A4
9
SW_B+2_EN
D6
7
Q900
MIDRATE_1 H12
SW_B+_EN C3
B+
STBY J9
RX_EN A6
A7
RX_ACQ
C8
DM_CS
B6
TX_KEY
A8
CLK_SEL
H7
RESET
V2
IRDA_EN
3,8 J10
5
V3 IRDA_TX
U990
6 G14
2
IRDA_RX
IRDA 7
H11
C10
BCLKR
BFSR B10
BDR A10
B9
BDX
BCLKX D10
SRDA_UF
12
STDA_UF
13
SC2A_UF
10
SCKA_UF
11
J650 AUDIO
AUX_MIC
4
HS_SPKR
3
Mic
2
B2
J910
SPK
1
B1
SPK-
J904 N1
SPK+
J902 M2
3,4 J3
Alert
J901 J910
ON_OFF
1,2 J1
AUDIO_OUT
15
K3
SW_B+_EN
Q600
SW_B+
7 B+
U903
USB_PWR USB_PWR
6
F13
USB+_UTXD USB+
4
E9
USB_URXD USB-
5
C9
OPTION1
13
INT4
OPTION2
14
INT5
UCDC E8
BL_SNK
9 UCDC
UDTR
11
UDTR
AUDIO_IN SR_CS E7
16
NC
SR_VCC A8
EXT_BATT
3
BATT_FDBK
2 BATT_FDBK
URTS2_SIM_CLK1
USB / RS232
DATALOG
Q1909
UCTS2_SIM_RST1
UCTS_CE
8 Q1906
UCTS
UTXD2
URI_CE
Q1907
10
URI
URXD2_SIM_RX1
UDSR_CE
12
Q1908
1
UDSR
17-20
DATALOG_N
P280 - BLOCK DIAGRAM - PAGE 2/2
U700 D7
MAGIC_SPI_CS
MAGIC
E8
PATRIOT RF_SPI_CLK
SIM MQSPI
B4 RF_MOSI
PRIM.
UART
N15 EB1_N
MEMORY
L9
2ND EB0_N
INTER
P12 CE2
UART
FACE
OE_N
N14
RW_N
L8
D15 BRST_CLK
P13
FLASH_CS
MQSPI
N14
ADV_N
P14
ECB_N
SIM_CLK
J14
T
SIM SIM_RST
J13
i
INTER SIM_TX
J11
m
FACE SIM_RX
J12
e
SDI_D_C
I F3
MQSPI
n E1 DISP_SPI_CS
DISPLAY
t
KBC0, KBC1
KEYPAD
KBR0, KBR1
PORT
KBR4 - KBR7
PRIM. ONE
G2 BATT_SER_D
UART WIRE
B D
B S AVDD, BVDD, OVDD, DVDD
I P
POWER CVDD, EVDD, HVDD, IVDD, JVDD
n
t
SERIAL
GCAP PRIM G13
RESET_OUT
AUDIO TIMER
RESET
MQSPI UART H7
PORT
CODEC CNTL.
TIMER
ON
SERIAL LOGIG
LOGIC
INTERF. SPI
Logic
U900
GCAP3
INTERF.
BACKl.
CONTR.
SRAM
HOLD
B+
M810
from EXT
PWR Cntl.
B+
B+
Q938
ALERT_VCC
BATT+
ADDRESS BUS
DATA BUS
SR_VCC
E1,D6
V1 A4,G4
U702
EB1_N
A1
V3 E1,G6
EB0_N B2
SRAM B4
BRST_CLK
FLASH
SR_CS B5
FLASH_CS E7
2 Mbit
A2 32 Mbit
OE_N
OE_N F8
G5
RW_N
EB1_N C5
ADV_N C4
V3
E1,D6 RESET_OUT
B5
U703 EE Prom
A1
EB1_N ECB_N D3
EB0_N B2 SRAM
B5
CE2
2 Mbit
A2
OE_N
G5
RW_N
V3
V2
EXT_BATT
This resistor is IN the ( from CE Conn.)
Charger accessory and
is used for identification
V2
OVIC 1
Over voltage limit: 6,85V
Under voltage shut off: 2,67
BATT_FDBK CHARGER
EXT_B+
C7 BATT_+
N6 EXT_B+
AD
BATT_SER_D
THERM_BIAS
M5
CONV.
I_SENSE
THERM_BIAS
K7
4
CHRG_C 1,2,5,6
3
H6 Q944
CHARGE
CR806
V2
G10 LED_RED
LED
DRIVE
D14 LED_GRN
VSIM1
J900 SIM
LS_SIM_CLK
CS7 CS2
P11
LEVEL
LS_SIM_RST
N10
CS5 CS3
SHIFT SIM_I/O
M11
CS6 CS1
P10 SIM_CLK
N10 SIM_RST
N11 SIM_TX
P12 SIM_RX
to Backlight LED 's and Alert
U701
External PWR Contr.
EXT_B+ ( to Charger )
7,8 3
D1 S2
1 4
S1 Q945 G2 Q944 MIDRATE_1
D2
G1
2
5,6
5
B+
( to GCap)
U901
2
BATT CONN.
J912
3 2 4 1
GND
BATT+
J700
BB_MOSI 8
SDI_D_C 7
RESET_OUT 6
DISP_SPI_CS 5 DISPLAY
IVDD 3
CONN.
2
BB_SPI_CLK
1
BL_SNK
ALERT_VCC 9
GND 4
BL_SNK
KEYPAD
ALERT_VCC LED´s
KBC0, KBC1
KEYPAD
KBR0, KBR1
MATRIX
KBR4 - KBR7
AND
JOYSTICK
S500
PWR_SW
RX SIGNAL PATH
TX SIGNAL PATH
MAIN VCO SIGNAL PATH
TUNING VOLTAGES
REFERENCE CLOCK
Orderable Part
Non - Orderable Part