Hardware Interface - RoyalTek REB-3000 Operational Manual

RoyalTek RGM-3000/REB-3000
GPS Module Operational Manual)

Hardware interface

RGM-3000/REB-3000.
Pin Name
NO
1 VCC
2 VCC
3 TXA
4 RXA
5 TXB
6 RXB
7 TIMEMARK
8 RESET
9 BOOTSEL
10 WAKEUP
11 VBAT
12 RESERVED
13 GPIO3
14 GPIO5
15 GPIO6
16 GPIO7
17 GPIO10
18 GPIO13
19 GPIO15
20 GND
21 GND
22 GND
I/O Description
System Power
System Power
O Navigation Data Output TTL Level ； Voh≧2.4V，Vol≦0.4V；Ioh=Iol=2mA
I Serial Data Input
O Reserved
I RTCM 104 Differential
GPS Input
O 1 Pulse per second time
mark Output
I
System Reset ， Active
Low
I
Internal boot ， Active High TTL Level；Vih≧0.7*VCC；Vil≦0.3*VCC
I Active low wakeup from
the RTC
External Backup Power
Input
I/O General Purpose I/O Pin TTL Level；
I/O General Purpose I/O Pin TTL Level；
I/O General Purpose I/O Pin TTL Level；
I/O General Purpose I/O Pin TTL Level；
I/O General Purpose I/O Pin TTL Level；
I/O General Purpose I/O Pin TTL Level；
I/O General Purpose I/O Pin TTL Level；
System GND
System GND
System GND
DC 3.3V ± 10%
DC 3.3V ± 10%
TTL Level；Vih≧0.7*VCC；Vil≦0.3*VCC
TTL Level ； Voh≧2.4V，Vol≦0.4V；Ioh=Iol=2mA
TTL Level；Vih≧0.7*VCC；Vil≦0.3*VCC
Vil≦0.2V，Pulse Width≧10ms
Vil≦0.2V，Pulse Width≧1ms
TTL Level ； Voh≧2.4V，Vol≦0.4V；Ioh=Iol=2mA
2.1V≦ Vbat ≦3.6V
Output：Voh≧2.4V，Vol≦0.4V；Ioh=Iol=2mA
Input：Vih≧0.7*VCC；Vil≦0.3*VCC
Output：Voh≧2.4V，Vol≦0.4V；Ioh=Iol=2mA
Input：Vih≧0.7*VCC；Vil≦0.3*VCC
Output：Voh≧2.4V，Vol≦0.4V；Ioh=Iol=2mA
Input：Vih≧0.7*VCC；Vil≦0.3*VCC
Output：Voh≧2.4V，Vol≦0.4V；Ioh=Iol=2mA
Input：Vih≧0.7*VCC；Vil≦0.3*VCC
Output：Voh≧2.4V，Vol≦0.4V；Ioh=Iol=2mA
Input：Vih≧0.7*VCC；Vil≦0.3*VCC
Output：Voh≧2.4V，Vol≦0.4V；Ioh=Iol=2mA
Input：Vih≧0.7*VCC；Vil≦0.3*VCC
Output：Voh≧2.4V，Vol≦0.4V；Ioh=Iol=2mA
Input：Vih≧0.7*VCC；Vil≦0.3*VCC
9
Characteristic