Circuit Concept - FALCOM STEPPII-55-LT Hardware Description

STEPPII-55/56-LT H
ARDWARE DESCRIPTION
provides a serial interface (2-wire and GND on the 16-pin AMP connector) giving you
maximum flexibility for local use.
The internal backup Battery (LiIon- 850 mA/h) is available in case of external Power
failure.
Figure 1 shows the front and backside of the STEPPII-55/56-LT.
Figure 1:

1.2 Circuit concept

The STEPPII-55/56-LT architecture includes the following major functional components
(see figure 2):
 Architecture integrates:
 high-performance Tri Band GSM/GPRS core
 12 parallel channel low-power GPS core
 ARM7TDMI processor that controls all functions of the system
 Power Control circuitry with 850 mAh Li-Ion, backup battery
 Audio amplifier
 Interface circuitry
 Physical interfaces:
 16-pin Molex connector (Type: Molex 43045-1609, and counterpart:
Casing: 43025-1600 and Box type spring contact: 43031-0001) for power
supply and I/O's
 15-pin AMP connector (Type: AMP5-558556-1, and counterpart: 558666-
1) for audio interfaces and software update
 SIM Card reader (Type: Molex-91228-0002 small SIM Card)
 GSM antenna interface (Type: Connector 50 Ω Fakra/Radiall SMB-male)
 GPS antenna interface (Type: Connector 50 Ω Fakra/Radiall SMB-male)
This confidential document is a property of FALCOM and may not be copied or circulated without previous
a) front side
Front and back side of STEPPII-55/56-LT
V
ERSION
b) back side
permission.
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