DISCO-B4-GLONASS H
ARDWARE
M
ANUAL
V
ERSION
1.0.3
Directive:
➢
RoHS compliant.
Firmware:
➢
Embedded TCP/IP stack, including TCP, IP and SMTP protocols,
➢
Accessible via PFAL commands,
➢
Upgradable locally via serial port and remotely over the air
(GPRS/TCP).
Internal memory:
➢
8 Mbyte FLASH for configuration, data-logging and firmware storage,
➢
2 MByte RAM.
Evaluation board:
➢
To evaluate with DISCO-B4-GLONASS you need a FOX evaluation
board which is included in the DISCO-B4-GLONASS EVALKIT (see
chapter
8.2
).
Supported protocols:
➢
NMEA Msg.:
GLL, GGA, RMC, VTG, GSV, GSA
FALCOM Msg.:
IOP, GSM, AREA, 3DP, BIN
-
see
related
documents
[1]
and
Table 3
.
4.1.1 Power consumption
All measurements have been performed: DCS 1800 MHz,
Power Level 10, Cell Power -75dBm,
T
amb
=
23°C,
V
IN+
= 12 V DC and 4.2 V DC (battery powered).
Modes
Average power
consumption (
mA
) @ +12 V
Average power
consumption (
mA
) @ +4.2 V
Comments
GPS off / GSM off
GPS on / GSM off
GPS off / GSM on
GPS on / GSM on
58
85
Microcontroller remains on
85
144
with valid GPS-fix
70
112
GSM idle (registered) and GPSR detached
100
170
GPRS is attached and TCP-connected.
Device sends a TCP packet every 30 sec.
Note: These values may vary over time and environments condition can not be guaranteed.
Table 1:
Power supply and current consumption at 12 VDC
Average current consumption in sleep mode
Sleep Modes
@ 12 V
(external power)
@ 4 V
(battery power)
Unit
IGN
840
260
µA
IGN+Motion
1230
810
µA
IGN+Ring
17
22
mA
IGN+Timer
920
330
µA
Note: These values may vary over time and environments condition can not be guaranteed.
Table 1.1:
Power supply and current consumption for different sleep modes
.
This confidential document is a property of FALCOM and may not be copied or circulated without previous permission.
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