User's Manual

page 7/46
Note d’étude / Technical document : URD1 – 5625.1 – 006 / 69796 Edition 03
Document Sagem Communication Reproduction et divulgation interdites
Sagem Communication document. Reproduction and disclosure prohibited
2 Block diagram
Figure 1
MO300 bloc diagram
* Low level active signal.
MO300
EDGE QUAD-BANDS
GSM850 / GSM900 / DCS1800 / PCS1900
Accessory Microphone
+
2
VBAT
Hardware
Power
Managemen
t
PWON*
Power ON & Reset
Mod_on_state
Mod_uart_state
Mod_flow_state
Mod_reset_state
Dte_uart_state*
H.P.M.
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
G.P.I.O.s
GPIO7
GPIO8
GPIO9
GPIO10
SIM Plus BUS
SIMCLK
SIMRST
SIMVCC
SIMIO
SIMPLUS_CMD
SIMPLUS_DATA
SIMPLUS_CLK
SIMCD*
MICP
MICN
MICBIAS_OUT
HSMICBIAS_OUT
SPKP
SPKN
HSOR
HSOL
Analog Audio
BUSES
HSMICP
HSMICN
SDA_I²C
SCL_I²C
I²C BUS
LED1
LED2
L.P.G.
(P.W.M. out)
ADC
VREXTH
Analog
MicroWire BUS
MWDSI
MWSDO
MWSCLK
MWCS0*
TXD*, RXD*,
CTS
*, RTS*,
DCD
*, DSR*,
DTR
*, RI*
U.A.R.T
RXD2*
TXD2
*
U.A.R.T.2
VBAT_CNT
Backup
Power supplies
V24 Full UART
Interface with
Transceiver
(
if necessar
y
)
Accessory
earphone
Receiver
HOST
Accessory
Microphone
47
µ
F - 10V
6
1
2
8
4
1
2
GND ANA
GND
6
5
4
MCSI_SYNC
MCSI_BCLK
MCSI_DIN
MCSI_DOUT
M.S.C.I. BUS
2
2
2
2
VBAT
VBAT
1
1
SIM plus interface 3V & 1.8V
8
10
available
G.P.I.O.s
Digital Audio
1
1
USB_ID
USB_DM
USB_DP
VBUS
Full U.S.B. 2.0
O.T.G. BUS
1
1
1
1
µ Wire Devices: LCD,
EEPROM, CENSORS …
Backup
battery
Main battery
Debug UART
2V or 2.5V power
supply for
Micro
p
hones
PWON* signal
Devices: LCD,
EEPROM, CENSORS…
+
U.S.B. 2.0 O.T.G.
DEVICE
1.8/2.8V Power
Supply
1
1
4
External Analog Input