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TC65 Terminal Hardware Interface Description
Confidential / Released
s
TC65 Terminal_HD_V02.000b
Page 22 of 65
2007-02-19
3.2 Block
Diagram
Figure 3 shows a block diagram of a sample configuration that incorporates a TC65
Terminal and typical accessories.
Figure 3: Block diagram
I2C device
SPI device
2x Analog
measurements
(balanced)
Power Supply
Unit
IO
co
nnec
to
r
Application
3.0V Backup Battery
RS232
RS232
80 pin B2B
RF
Audio
SIM
Power
SMA
(female)
Step Down
DC/DC
Converter
GSM
Module
TC65
Heat Sink
RF C
abl
e
SM
A
-Hi
ro
se
Contact
spring
Contact
spring
Votronic
Handset
or other
audio equipment
100V...240V
AC Adapter
or
DC Supply
TC65 Terminal
TC65T Mainboard
Antenna
VDD (2.9V)
or
On/Off
Key
8V...30V
In or Out
sensors,
relay unit,
switches,
etc.
10xGPIO
ON/OFF
Ignition
Emergency-off
VDD
VDD
8V...30V
1)
1)
1) Fast acting fuse I>0.8A , (0.8...1.5 A
2
s) is recommended for 24V vehicle supply only.