User's Manual

MC46 Hardware Interface Description
Confidential / Released
s
mo b i l e
MC46_HD_V03.05 Page 20 of 99 13.11.2003
2.2 Circuit concept
Figure 1 shows a block diagram of the MC46 module and illustrates the major functional
components:
GSM / GPRS baseband block:
· Baseband controller operating at 26MHz
· Power supply ASIC
· Flash
· SRAM
· Application interface (board-to-board connector)
GSM RF block:
· RF transceiver
· RF power amplifier
· RF frontend (antenna connector)
Baseband
Controller
Power
Supply
ASIC
SIM
BATT+
GND
/IGT
/EMERGOFF
ASC1
ASC0
4
2x Audio
SIM Interface
CCRST
CCCLK
CCIO
CCIN
Receive
Send
Control
MC46
Interface
RF - Baseband
5
5
Measuring
Network
4
CCIN
CCVCC
POWER
BATT_TEMP
VDDLP
SYNC
VDD
RF Section
RF Power
Amplifier
Data
Adr
Control
SRAM
Flash
CHARGE
6
8
9
DAI
5
4
Charger
input
+
Ext.
Charging
Circuit
NTC
Application Interface
(50 pins)
CCVCC
(GND)
2
Data
Adr
Control
Figure 1: MC46 block diagram