Rainbow Electronics EB-A803 User Manual
EB-A803-P GPS Engine Board
EverMore EB-A803-P is a high sensitivity, low power, SMD type GPS Module,
This product is based on Atmel chipset in 16 channel GPS receiver’s solution.
The GPS module receiver will track up to 16 satellites at a time while providing
fast time-to-first-fix and 1Hz navigation updates. It is far reaching capability
meets the sensitivity & accuracy requirements of car navigation as well as other
location-based applications, such as Personal Tracking system. PND, Handheld
Device system.
Features:
z Pin to Pin compatible ublox TIM-4H
z ublox-Atmel Chipset 16 Channels all in view tracking
z Ultra Low Power Consumption 39 mA
z High Sensitivity -158dBm
z DGPS : WAAS /EGNOS/MSAS
z Support NMEA-0183 at 9600bps baud rate
z Customized and configurable serial I/O architecture
z Support 4 Hz position update rate capability
(using on-board EEPROM)
z Support power saving modes
z Support 1 PPS
z Support 1 USB & 1 UART Port
z Lead Free , RoHS Compliant
EverMore Technology, Inc.
2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 300, R.O.C. http://www.emt.com.tw
EB-A803-P GPS Engine Board
Applications:
z Land/Marine Navigation
z Telematics
z Fleet Management
z Asset Tracking
z Timing Reference
Specification:
Features Description
General L1 1575.42MHz, C/A code, 16-channel all in view
tracking
Sensitivity -158 dBm (typical)
Update Rate 1 Hz
Accuracy Position: <15m(95%) without S/A
Velocity: 0.1 m/sec without S/A
Time: ± 100ns synchronized to UTC time
Acquisition Cold start: 34 sec average
Warm start: 33 sec average
Hot start : 3.5 sec average
Dynamics Altitude : 18,000m/ Max
Velocity: 515 m/s
Acceleration: 4g Max
Reacquisition Time 0.1 second
WAAS Accu racy
3 m CEP
Velocity : 0.05m/sec
Datum WGS-84
Protocol NMEA-0183 V2.3 Baud rate: 9600 ,8-None-1
UBX (ublox proprietary), RTCM
NMEA Message Default : GGA, GSA, GSV, RMC,GLL,VTG
Primary Power 3.3VDC ± 0.1Vp-p ripple
Power Consumption 39 mA
Backup Current 5 uA typical
Serial Port UART , USB
Operation Temperature -40oC to +85 oC
Storg Temperatur e -45oC to +90oC
Operating Humidity 5% to 90% non-condensing
Interface 28 pin SMD Package / LVTTL level output
Dimension 25.4x25.4mm
EverMore Technology, Inc.
2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 300, R.O.C. http://www.emt.com.tw
EB-A803-P GPS Engine Board
Definition of Pin assignment
Pin# Name Type Description
1
2
3
4
5
6
7
8
9
10
11~15
16
17
18
VCC I DC Supply Voltage Input DC +3.3V+-5%
GND G Digital Reference Ground
VDD18 O Internal regulator output, 1.8V
RXA I Serial Port A, 5V > V
TXA O Serial Port A, V
TXB O Serial Port B, V
OH
OH
RXB I Serial Port B, 5V > V
> 1.46V, VIL < 0.41V
IH
> 2.8V, V
> 2.8V, V
> 1.46V, VIL < 0.41V
IH
< 0.4V
OL
< 0.4V
OL
GPSMODE12 I GPSMODE12 configuration (reserved, keep floating)
RF_ON O Indicates power state of RF part, 3.3V
GND G Digital Reference Ground
GND_A G Analog Reference Ground
GND_A G Analog Reference Ground
RF_IN I GPS Signal Input, 50 ohm @1.57542GHz
GND_A G Analog Reference Ground
19
20
21
22
23
24
25
26
27
28
29
30
V_ANT_IN I Active Antenna Bias Voltage
VCC_RF O Supply Active Antenna Bias Voltage, 3.3VDC typical
V_BAT I Backup Voltage Supply, 1.5VDC~ 3.6VDC
NRESET I Reset, Active Low, V
< 0.41V
IL
GPSMODE2 I GPSMODE2 configuration (reserved, keep floating)
GPSMODE5 I Serial I/O configuration (reserved, keep floating)
GPSMODE6 I Serial I/O configuration (reserved, keep floating)
USB_DM I/O USB DM
USB_DP I/O USB DP
STATUS_LED O GPS Fix Status Indicator. When GPS is not fixed, it
outputs low. When GPS is fixed, it outputs pulse. (see
figure 1.), V
PPS O One Pulse Per Second, V
> 2.8V, V
OH
< 0.4V
OL
OH
> 2.8V, V
< 0.4V
OL
GND G Digital Reference Ground
EverMore Technology, Inc.
2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 300, R.O.C. http://www.emt.com.tw
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