4
Interfaces
UC-08-M37 EN R1.0
2
Interfaces
The dual-row 28 pins serve as the external interfaces of the evaluation board and the
pin pitch is 2 mm. The interfaces can be directly connected to the J18 on Unicore HPL
EVK-V5.0 board.
J4
CH71283V100
Figure 2-1 UT986 Interface
Table 2-1 UT986 Pin Description
No.
Pin Name
I/O
Description
1
NC
-
No connection inside
2
NC
-
No connection inside
3
NC
-
No connection inside
4
NC
-
No connection inside
5
LNA_PWR
I
Antenna feed voltage for LNA
6
VIN
I
Main power supply
7
NC
-
No connection inside
8
RSV
-
Reserved
9
RESET_N
I
System reset; active low
10
NC
-
No connection inside
11
NC
-
No connection inside
12
NC
-
No connection inside
13
RSV
-
Reserved
14
GND
-
Ground
15
TXD1
O
COM1 output, LVTTL
16
RXD1
I
COM1 input, LVTTL
17
GND
-
Ground
18
TXD2
O
COM2 output, LVTTL
