Data Sheet
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prior permission of GlobalTop Tech Inc. Specifications subject to change without prior notice.
Copyright © 2011 GlobalTop Technology Inc. All Rights Reserved.
F
G
PMMOPA6H
Dat
a Sheet
GlobalTop Technology
Ver. V0
A
Document #
2.4 Pin Assignment
Pin
Name
I/O
Description & Note
1
VCC
PI
Main DC Power Input
2
NRESET
I
Reset Input, Low Active
3
G
ND
P
Ground
4
VBACKUP
PI
Backup Power Input for RTC & Navigation Data Retention
5
3D
-
FIX
O
3D-Fix Indicator
6
NC
--
Not Connect
7
NC
--
Not Connect
8
GND
P
Ground
9
TX
O
Serial Data Output for NMEA Output
(UART TTL)
10
RX
I
Serial Data Input for F
irmware Update
(UART TTL)
11
EX_ANT
I
PO
External active antenna RF input.
DC power from VCC and provide for external active
antenna.
12
GND
P
Ground
13
1PPS
O
1PPS Time Mark Output 2.8V CMOS Level
14
RTCM
I
Serial Data Input for DGPS RTCM Data Stream
ing
15
NC
--
Not Connect
16
NC
--
Not Connect
17
NC
--
Not Connect
18
NC
--
Not Connect
19
GND
P
Ground
20
NC
--
Not Connect