motorola W370, W375 Block Diagram
XTAL
26MHz
U802
AFC
RF_CLK (26MHz)
IN
IP
QP
QN
V_IO
ANALOG INTERFACE
DCXO
PGA
PGA
FILTER
SI4210
VCO+FREQUENCY SYNTHESIZER
DET
LOW-IF
DIGITALFIL
ADC
ADC
Q
I
PGA
PGA
90/0
LNA850
LNA900
LNA1800
LNA1900
LBTXOUT
HBTXOUT
R815
Att 3dB
R816
Att 3dB
GSMRX
DCSRX
PCSRX
GSM_IN
APC
PA_EN
SW_LO_TX
BS
SW_HI_TX
PCS_IN
Match
BiCMOS
Amplifier
Controller
Antenna
Decoder
Match
Power
Switch
PA
PA
BF800
BF801
BF802
900
1800
1900
U803
SKY77506
Match/
Filter
Match/
Filter
Antenna
A800
J800
Duplexer
Vibrator
MIC
Speaker
J301
Headset
Connector
PDN
RF2V8
(LDO Supply)
From U801
APC
2.85V
2.8V
V_SIM
V_IO
U101 SYREN
Voltage Regulation
VBACKUP
C108
For RTC Backup
APC
AFC
DAC
From G2+
To Sub-board
HS_EN1
HS_EN2
HS_DETECT
AUXI
6
3
2
5
U302
MUX
U303
MUX
TX_MODEM1
RX_MODEM1
From/to
G2+
To Syren
FMR
FML
FM_Ant
AUDAMP_SD
(from G2+)
U401
Audio
AMP.
U301
Audio
AMP.
U400
FM Radio
TSPEN0
MICIP
MICIN
MICBIAS
HSOL
HSOR
HSMICP
TSPDO
TXQN
TXQP
TXIP
TXIN
RXQN
RXQP
RXIP
RXIN
EARP
EARN
SPKN
SPKP
SCL
SDA
CLK32K
VBACKUP
APC
AFC
ADAC
Timing
Serial Port
(TSP)
Baseband
Codec
(BBC)
Audio
Codec
(AUC)
Monitoring
ADC
(MADC)
From/to
G2+
VBAT
VBACKUP
VCHG
ICHG
1.5V
V_RAM
V_RTC
(VREG)
Internal
Bus
Controller
(IBIC)
Battery Char ge r
Interface
(BCI)
2.8V
V_FLASH
2.8V
1.5V
V_DBB
Baseband
Serial
Port
(BSP)
Clock
Gene
MCU
Serial
Port
(USP)
Test
Access
Port
(TAP)
Voiceband
Serial Port
(VSP)
I2S Audio
Serial
Port
Voltage
Reference
Power
Control
(VRPC)
SIM CARD
Interface
(SIM)
VBAT
From SYREN
V_SIM
CLK13M
UDX
UDR
UEN
VCK
VFS
VDR
VDX
AUDR
AUCK
AUFS
CLK32K
nRESPWRON
ONnOFF
IT-WAKEUP
RPWON
PWON (From keypad)
SIM_CLK
SIM_I/O
SIM_RST
4
5
TSPEN2
TSPCLK
TSPDO
Baseband
intercommunication
ARM-SYREN
intercommunication
Voice Band
intercommunication
(Chip Reset)
(keypad ON indication from keypad in terface proces s o r )
(Wakeup interrupt from RTC)
(from TP105 on Test point)
U200
FLASH
3 2 1
SIM
Connecter
1.8 or 3V
SIM Card
From SYREN
V_RAM
V_FLASH
128Mbit
&
PSRAM
32Mbit
BFSR
BDR
BFSX
BDX
MCUDI
MCUDO
MCUEN0
VCLKRX
VFSRX
VDR
VDX
CDO
CSCLK
CSYNC
SIM-IO3
SIM-CLK3
SIM-RST3
nCS4
nCS5
nFOE
nBLE
nBHE
RnW
Address Bus ADD[1-24]
Data Bus DATA[0-15]
RF_CLK (26MHz)
U100 G2+
BaseBand
Interface
ARM
Serial
Port
Voice
Band
Interfac
e
I2S
RTC/
RESET
SIM
Memory
Interface
63 185 1412 2 9 11 15 17 22
External
Memories
5Mbit
SRAM
0.5Mbit
SRAM
48Kbytes
ROM/
Boot
CRYPTO
Processors
64b Key
128b Key
FPC
DIV-2
Boot ROM
Memory
Protect
NAND
Flash IF
Unit
Write
Buffer
SLICER
Main board to sub-board
CLK13M
13MHz
PLL & CLKM WTDOG INTH
MCU TOP-CELL
MEMIF
Debug Unit
ARM7
cDSP
S28C128
DSP subchip
JTAG
13 19
8K API
FOLD_DET
U701
Folder
sensor
B
R
I
D
G
E
B
R
I
D
G
E
DMA(6)
INTH
BE_nRESET
To Back-end IC
ARMIO (GPIO)
Message_EN
To Sub-board
TSP
LCD_nRESET
XTAL
32.768KHz
RTC
CK32KHz
ULPD
SPI
GEA
DieID
TIMER1
TIMER2
ARMIO
HS_DETECT
KEYLIGHT_EN
To LCD
To Keypad
RHEA bus
HS_EN
AUDAMP_SD
BACKLIGHT_EN
U201
Charge
Pump
To Speaker
To Headset
From Headset
LED
Backlight(5V)
TPU
Keypad Port
VBAT
TSP
LCD IF
USB
I2C
UART
modem
GSM
Time
CLK32K
PDN
PA_EN
SW_LO_TX
BS
SW_HI_TX
TSPEN0
LCD_nCS
SCLK
SDO
SDI
USB_EN
USB_P
USB_N
SCL
SDA
ROW0 - ROW4
COL0 - COL4
TX_MODEM1
RX_MODEM1
To SYREN
From/to LCD
From/to USB
connectror
From/to
FM radio
From/to
headset
eypad
K
VBAT
KEYLIGHT_EN
J500
USB
Connector
1
USB_ID
4
USB_P / USB_EN
3
2
USB_N
From/to
G2+
V_BUS
U503
U502
Overvoltage
Control
VCHG
(charge current c on tr o l)
PCHG
ICTL
U504
Charge
IC
(charge current sense)
VCCS
VBATS
VBAT
Receiver
Camera
Module
Sub-Board
EARP
EARN
CAM_Data [0-7]
SDI
CLK13M
Back-end IC
LCD_SDATA
128*160 1.8inch 65K
SDO
SCLK
U20
LCD_CS
LCD_SCLK
Toppoly
TFT LCD Display
To LCD
BE_nRESET
LEDC (pin 13) &
Battery_EN (pin 15)
LED
Backlight(5V)
LCD_nRESET
Message_EN
Battery
Message
VBAT
INCOM_EN1 (pin 22) &
INCOM_EN2 (pin 19)
Caller ID
Title
W375 EU Band Block Diagram
Size Rev
Date :
Document Number
A3 1.2
25 October, 2006
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