Product pin description, Electrical specification – USGlobalsat EM-506 User Manual
Page 3
EM-506
High Performance GPS Module
- 3 -
Product Pin Description
PIN Number(s)
Name
Type
Description
Note
1,5
GND
P
Ground.
2
VIN
P
This is the main power supply to the engine
board. (4.5Vdc to 6.5Vdc)
3
RXD
I
This is the main receive channel for
receiving software commands to the engine
board from SiRFdemo software or from user
written software. Baud rate based on flash
memory setting.
4
TXD
O
This is the main transmits channel for
outputting navigation and measurement
data to user’s navigation software or user
written software. Output 3.3V level.
6
GPS Status
O
This pin output signal based on firmware
setting.*
1
*1.The EM-506 supports a 1PPS output, but will not have an LED. If you don't need a 1PPS output but require an LED, then please contact
our sales department for more information
Electrical Specification
Absolute Maximums Ratings
Parameter
Min.
Typ.
Max.
Conditions
Unit
POWER Supply
Main power supply(VCC)
4.5
5.0
6.5
V
45
50
55
GPS is not 3D Fixed.
mA
Main power supply Current
33
34
38
GPS is 3D Fixed.
mA
RF
Operating Frequency
1.575
Ghz