54A0059_V1.1_EN / LeddarSteer DBSD Evaluation Board
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User Guide
29 | 50
6.6.6.
LCA3 Evaluation Board Interface (P4)
Table 20: P4 pinout
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LCA3 EVB interface
Connector #
Number of pins / Type /
Mating
P4
16 pin / Molex 5019511650
(Mating: Molex 150200172)
Pin #
Signal
Description
Specifications
1, 3, 5,
7, 9, 11,
13, 15
GND
Ground
N/A
2
EXT_VIN
Supply bus transceiver
Reference input voltage 3.3 V
4
EXT_SPI_CLK_C
SPI interface clock (lower than
10 MHz)
Digital input
6
EXT_SPI_SIMO_C
SPI interface MOSI
Digital input
8
EXT_SPI_SOMI_C
SPI interface MISO
Digital output
10
EXTSPI nCS C
SPI interface chip select
Digital input
12
NEXT C
DBSD next signal
Digital input trigger (EXT_VIN)
14
RESET START C
DBSD reset/start signal
Digital input trigger (EXT_VIN)
16
FEEDBACK_C
DBSD feedback signal
Digital output (EXT_VIN)
6.6.7.
Visual Status (Green and Red LEDs)
Two LEDs on the LeddarSteer EVB are used to visualize the operating status.
Table 21: Visual status LEDs
LED Color
Description
Green
Always blinking at 1 Hz
Red
Nominal status: OFF (flashes every 10 seconds)
Fault status: ON
Other: blinking at 1 Hz
6.6.8.
Microswitch (S1)
Table 22: Microswitch
Switch #
Number of positions / Type
S1
4 position / CTS 218-4LPSTR
6.6.9.
JTAG Interface (P6)
This connector is used for bootloader flashing and is not covered by this User Guide.
