External  User Interface

The Bottom Side of EVB and It’s external Interfaces are as follow.

 

 

 

 

 

1.  Power Supply

 

Power	Description
Power Input Voltage	3.3V ~ 5.5V.
Default Power Input Method	J14 USB Type-C interface.
Secondary Power Input Method	Pin 1 and Pin 2 of J1 interface.
Operation Indicator	After normal power up, D3 (power indicator LED) shows green and keeps on, D8 (normal operating indicator LED) shows green and blinks.

 

 

 

 

 

2.  USB Type-C

PIN	Name	PIN	Name
A1	GND	B12	GND
A4	VBUS	B9	VBUS
A5	CC1	B8	SBU2
A6	DP1	B7	DN2
A7	DN1	B6	DP2
A8	SBU1	B5	CC2
A9	VBUS	B4	VBUS
A12	GND	B1	GND

 

 

 

 

 

3. LED and Switch

Reference No	Name	Description
K1	Switch	Reset switch
D3	Green indicator LED	3.3V power supply indicator
D6	Green indicator LED	Radar data reception overflow indicator
D7	Green indicator LED	Radar data index error indicator
D8	Green indicator LED	Normal operating indicator
D9	Green indicator LED	Radar data transmission overflow indicator
D10	Green indicator LED	MCU indicator which i

 

 

 

 

 

4. J1 → UART and I/O Interface

PIN	Name	Function	Description
1	5V	Power supply input	Vcc: 3.3V~5.5V, Typ.:5V
2	GND	Connect to ground	IO voltage: 0~3.3V
3	O_T1	Can be configured as UART_TX or IO, cannot be configured as UART_TX at the same time with Pin O_T2. Default set as UART_TX	IO voltage: 0~3.3Vn
4	RX	UART_TX	IO voltage: 0~3.3V
5	O_T2	Can be configured as UART_TX or IO, cannot be configured as UART_TX at the same time with O_T1. Default set as IO	IO voltage: 0~3.3V

 

 

 

 

 

5. J5 → SWD Interface

PIN	Name	Function	Description
1	GND	Connect to ground
2	DIO	Data input/output	IO voltage: 0~3.3Vn
3	CLK	Reference clock signal	IO voltage: 0~3.3V
4	3V3	Reference power supply output	Ref. voltage: 1.8~3.6V, Typ.: 3.3V