Siemens TC65 - Circuit Concept; Figure 2: TC65 Block Diagram

TC65 Hardware Interface Description
Strictly confidential / Draft
s
TC65_HD_V00.521 Page 20 of 99 24.05.2005
2.3 Circuit Concept
Figure 2 shows a block diagram of the TC65 module and illustrates the major functional
components:
Baseband block:
• Digital baseband processor with DSP
• Analog processor with power supply unit (PSU)
• Flash / SRAM (stacked)
• Application interface (board-to-board connector)
RF section:
• RF transceiver
• RF power amplifier
• RF front end
• Antenna connector
Digital Baseband
Processor with DSP
Analog Controller
wit h PSU
BATT+
GND
IGT
EM ERG_ RS T
ASC(0)
5
SIM Interface
CCIN
CCRST
CCIO
CCCLK
CCVCC
D(0:15)
A(0 :24)
RD; WR; CS; WAIT
RF Control Bus
Interface
RF - Baseband
NTC
BATT_TEMP
VDDL P
SYNC
R
F
P
a
r
t
Transce iver
RF Power
Amplifier
SRAM
Flash
6
8
TC65
Application Interface (80 pins)
I / Q
4
Au di o a na log
10
USB
3
I2C
2
VEX T
ISENSE
VSE NSE
VCHA RGE
CHARGEGATE
3
RESET
R
e
s
e
t
BATTYPE
TE M P2
REFCHG
ASC (1)
4
26 MHz
Front End
DAI
7
PWR _IN D
Measuring
Network
32 .76 8kHz
26 MHz
RTC
Figure 2: TC65 block diagram