unicore UM981 User Manual

UM981 User Manual
8 Hardware UC-00-M33 EN R1.0
No.
Pin
I/O
Description
19
PVT_STAT
O
PVT status: active high;
Outputs high when positioning and low when
not positioning
20
RTK_STAT
O
RTK status: active high;
Outputs high for RTK fixed solution and low
for other positioning status or no positioning
21
ERR_STAT
O
Error status: active high;
Outputs high when failing self-test and low
when passing self-test
22
RSV
—
Reserved, recommended to be floating
23
RSV
—
Reserved, recommended to be floating
24
NC
—
No connection inside
25
NC
—
No connection inside
26
RXD2
I
COM2 input, LVTTL
27
TXD2
O
COM2 output, LVTTL
28
BIF
—
Built-in function; recommended to add a
through-hole testing point and a 10 kΩ pull-
up resistor; cannot connect ground or power
supply or input/output data, but can be
floating
29
BIF
—
Built-in function; recommended to add a
through-hole testing point and a 10 kΩ pull-
up resistor; cannot connect ground or power
supply or input/output data, but can be
floating
30
TXD3
O
COM3 output, can be used as CAN TXD,
LVTTL
31
RXD3
I
COM3 input, can be used as CAN RXD, LVTTL
32
GND
—
Ground

unicore UM981 Specifications

General

Brand	unicore
Model	UM981
Category	Control Unit
Language	English