Professor Tech RGM-3000 Series - Manual (Page 14)

Professor RGM-3000/REB-3000
GPS Module Operational Manual)
13
Hardware interface
RGM-3000XFXXXX/REB-3000XFXXXX (FPC Type).
Connector Type ϖ ϖ ϖ ϖFPC, 22 Pin
Pin
NO
Name I/O Description Characteristic
1 VCC System Power DC 3.3V ± 10%
( Suggested: add an external bypass capacitor.
Value ғ 2.2uF)
2 VCC System Power DC 3.3V ± 10%
( Suggested: add an external bypass capacitor.
Value ғ 2.2uF)
3 TXA O Navigation Data Output TTL LevelϗVohғ2.4VϓVolҒ0.4VϗIoh=Iol=2mA
4 RXA I Serial Data Input TTL Level ϗVihғ0.7*VCCϗVilҒ0.3*VCC
5 TXB O Reserved TTL Level ϗVohғ2.4VϓVolҒ0.4VϗIoh=Iol=2mA
6 RXB I RTCM 104 Differential
GPS Input
TTL Level ϗVihғ0.7*VCCϗVilҒ0.3*VCC
7 TIMEMARK O 1 Pulse per second time
mark Output
Vil Ғ0.2VϓPulse Widthғ10ms
8 Reserved Not Used No connection
9 BOOTSEL I Internal boot ϓActive High TTL LevelϗVihғ0.7*VCCϗVilҒ0.3*VCC
10 Reserved I Reserved
11 VBAT External Backup Power
Input 2.1V Ғ Vbat Ғ3.6V
12 RESERVED
13 GPIO3 I/O General Purpose I/O Pin TTL Levelϗ
Output ϖVohғ2.4VϓVolҒ0.4VϗIoh=Iol=2mA
Input ϖVihғ0.7*VCCϗVilҒ0.3*VCC
14 GPIO5 I/O General Purpose I/O Pin TTL Levelϗ
Output ϖVohғ2.4VϓVolҒ0.4VϗIoh=Iol=2mA
Input ϖVihғ0.7*VCCϗVilҒ0.3*VCC
15 GPIO6 I/O General Purpose I/O Pin TTL Levelϗ
Output ϖVohғ2.4VϓVolҒ0.4VϗIoh=Iol=2mA
Input ϖVihғ0.7*VCCϗVilҒ0.3*VCC
16 GPIO7 I/O General Purpose I/O Pin TTL Levelϗ
Output ϖVohғ2.4VϓVolҒ0.4VϗIoh=Iol=2mA
Input ϖVihғ0.7*VCCϗVilҒ0.3*VCC
17 GPIO10 I/O General Purpose I/O Pin TTL Levelϗ
Output ϖVohғ2.4VϓVolҒ0.4VϗIoh=Iol=2mA
Input ϖVihғ0.7*VCCϗVilҒ0.3*VCC
18 GPIO13 I/O General Purpose I/O Pin TTL Levelϗ
Output ϖVohғ2.4VϓVolҒ0.4VϗIoh=Iol=2mA
Input ϖVihғ0.7*VCCϗVilҒ0.3*VCC
19 GPIO15 I/O General Purpose I/O Pin TTL Levelϗ
Output ϖVohғ2.4VϓVolҒ0.4VϗIoh=Iol=2mA
Input ϖVihғ0.7*VCCϗVilҒ0.3*VCC
20 GND System GND
21 GND System GND
22 GND System GND