Professor Tech RGM-3000 Series User Manual

Page 14

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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

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