User's Manual

MS- RA1xM Radar Module
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MS-RA1xM Datasheet
3. Pin Descriptions
Table 2. Pin Descriptions
Pin number
Pin name
Type
Description
1
VCC
POWER
3.3V (Typical) (Note1)
2
GND
POWER
3
PWM
I/O
User definition I/O (Note2)
4
nRESET
INPUT
Module reset
5
Motion out
OUTPUT
Motion detection signal output
6
IO1
I/O
User definition I/O (Note3)
7
IO2
I/O
User definition I/O (Note3)
8
Velocity out
OUTPUT
Velocity detection signal output
9
RX
INPUT
Command control port
10
TX
OUTPUT
Command control port
NOTES:
1. The MS-RA11M module operates with a precision analog circuit, and offers expected features
when connected to a noise-free power supply. The noise-free power can be supplied by filtering
the system or power unit using an LC filter.
2. The PWM pin is a general-purpose I/O that is programmed as an input or an output according to
the user's purpose. In addition, the PWM pin is connected to the hardware PWM block of the
internal MCU, and can be used in lighting control.
3. The I/O pin is a general-purpose I/O that is programmed as an input or an output according to the
user's purpose. In addition, the I/O pin is connected to the A/D converter block of the internal MCU,
and can be used as an analog input.