Seeed MR24HPB1, Руководство пользователя

Страница: 8 / 19

MR24HPB1
8
Fig. 1 Schematic diagram of the radar module structure
3.2. Pin Descriptions
Interface Pins Details Typical Description
Interface 1
1 5V 5.0V Positive Input of Power
2 GND Ground
3 RX Serial Receive
4 TX Serial Transfer
5 S1 3.3V/0V Manned/Unmanned
6 S2 3.3V/0V Stationary/Active
Interface 2
1 3V3 3.3V Power Output
2 GND Ground
3 SL Reserve Pin
4 SD Reserve Pin
5 GP1 Alternative Expansion Pins
6 GP2 Alternative Expansion Pins
7 GP3 Alternative Expansion Pins
8 GP4 Alternative Expansion Pins
Note:
1. S1 output: high level - occupied, low level - unoccupied.
2. S2 output: high level - active, low level - stationary.
3. GP1 to GP4 are parameter selection controls, which can be redefined according
to user requirements.
4. The output signals of this interface are all at 3.3V level.