UM960 User Manual
UC-00-M34 EN R1.0
Hardware
7
2.2
Pin Definition
Figure 2-2 UM960 Pin Definition
Table 2-2 Pin Definition
No.
Pin
I/O
Description
1
RSV
—
Reserved, must be floating; cannot connect
ground or power supply or peripheral I/O
2
RSV
—
Reserved, must be floating; cannot connect
ground or power supply or peripheral I/O
3
PPS
O
Pulse per second
4
EVENT
I
Event Mark
5
RSV
—
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 peripheral I/O, but can be floating.
6
TXD2
O
COM 2 transmitting data
7
RXD2
I
COM 2 receiving data
8
RESET_N
I
System reset
Active Low
