V23993-A1037-A VINCOTECH, V23993-A1037-A Datasheet - Page 7

• Manufacturer Part Number: V23993-A1037-A
• Description: GPS Modules & Development Tools GPS Receiver Module Full NMEA (SMD)
• Manufacturer: VINCOTECH
• Type: GPS Moduler

Specifications of V23993-A1037-A

• Operating Voltage: 3.3 V to 3.6 V
• Frequency Range: 1575 MHz
• Operating Temperature Range: - 30 C to + 70 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1 Introduction
1.1 General
This document contains a detailed description of Tyco Electronics’ standard GPS
firmware used in the GPS modules A1037-A.
The purpose of this paper is the explanation of the behavior of the “NMEA” inter-
face, i.e. a description of the outputs coming from this interface, and a summary of
the commands that can be issued to this interface. This will allow easy and full
adjustment and control of the module.
1.2 Serial Port Configuration
The firmware supports the bi-directional serial interface of Tyco Electronics’ GPS
module. It is implemented by use of the full duplex UART (Universal Asynchronous
Receiver Transmitter) interface of the GPS processor.
Using Pin P0.13 two different set of GPS NMEA out messages with two different
baud rates can be selected.
CONF (P0.13)
Leave unconnected /
External pull-up
External pull-down
This pin will be read by the software during the GPS software start-up only. Any
changes in the setting afterwards will not affect the configuration.
This interface is bi-directional, i.e. on the one side the output of the GPS modules
(NMEA sentences, etc.) is sent to the UART interface, on the other side the UART
interface can be used to send commands to Tyco Electronics’ GPS modules.
V2.0 – 04/07
• For the communication with UART the use of a kind of terminal program or
• UART communication is always on port 0 (pin Tx0 and Rx0) of the module
• The default configuration of this serial port is: 4800 baud, 8 data bits, no
another appropriate method is necessary.
parity, 1 stop bit, no flow control!
NMEA Messages Set
NMEA: GGA – VTG – GSA – GSV
Baud rate: 4800
Transmit mode: on UTC second
NMEA: GGA – GSA – GSV - RMC – TG –TS - PA
Baud rate: 57600
Transmit mode: on UTC second
Table 1: NMEA configuration
GPS Receiver Firmware
User’s Manual
A1037
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