
TC65 Hardware Interface Description
Confidential / Released
s
TC65_HD_V02.000 Page 22 of 120 08.06.2006
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 Inte rface
CCIN
CCRST
CCIO
CCCLK
CCVCC
D(0:15)
A(0 :24)
RD; WR; CS; WAIT
RF Control Bus
Interface
RF - Baseband
NTC
BATT_TEMP
VD DLP
SYNC
R
F
P
a
r
t
Transceiver
RF Power
Amplifier
SRAM
Flash
6
5
8
8
TC65
Application Interface (80 pins)
I / Q
4
Au di o a na log
ADCx _IN
DAC_OUT
10
2
USB
GPIO
3
10
I2C/SPI
SPI
2
2
VEX T
ISENSE
VSE NSE
VC HA RG E
CHARGEGATE
3
RESET
R
e
s
e
t
BATTYPE
TE M P2
REFCHG
ASC (1 )4
26MHz
Front End
DAI7
PWR _IN D
Measuring
Network
32.768kHz
26MHz
RTC
Figure 2: TC65 block diagram
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