Справочник Пользователя для RoyalTek meb-1000
11
MEB-1000 User Manual
Figure 7 Interface Pin Number
Table 1-4 Pin Definition
Pin # Signal Name
I/O Description
Characteristics
1 V_GPS_3V3 I
DC
Supply
Voltage input
DC +3.3V
±5%
2 GND
G
Ground
Reference
Ground
3 N.C
4 RXA
I
Serial
port
A
V
V
V
V
V
IL
IH
8
.
0
0.3V
-
2
6
.
3
≤
≤
≥
≥
5 TXA
O
Serial
port
A
V
V
V
V
V
OL
OH
4
.
0
0.3V
-
4
.
2
15
.
3
≤
≤
≥
≥
6
TXB
O
Serial port B
V
V
V
V
V
OL
OH
4
.
0
0.3V
-
4
.
2
15
.
3
≤
≤
≥
≥
7
RXB
I
Serial port B
V
V
V
V
V
IL
IH
8
.
0
0.3V
-
2
6
.
3
≤
≤
≥
≥
8 N.C
9 RF_ON
O
Indicates
power
state of RF part
V
V
V
V
OL
OH
0
85
.
2
=
=
10 GND
G Ground
Reference
Ground
11 N.C
12 N.C
13 GND
G Ground
Reference
Ground