Firmware Update Cable

The USB cable, USB-A to Micro-USB-A, 1.8-2.0m (part number 136000199) is intended for firmware or bootloader updates.

Figure 1: USB cable, USB-A to Micro-USB-A, 1.8-2.0m

It has the following connectors:

• X1 - USB-A, male
• X2 - Micro-USB-A, male

X1 - USB-A, male

Figure 2: Micro-USB-A connector, male

Pin	Designation	Description
1	VBUS	+5V
2	D-	Data- (bidirectional)
3	D+	Data+ (bidirectional)
4	GND	Ground

X2 - Micro-USB-A, male

Figure 3: Micro-USB-A connector, male

Pin	Designation	Description
1	VBUS	+5V
2	D-	Data- (bidirectional)
3	D+	Data+ (bidirectional)
4	ID	OTG function (connected to GND)
5	GND	UGround

Note

If you start the device with a USB cable, USB A micro USB A, 1.8 - 2 m cable connected, neither of the two LEDs on the device lights up.

Note

As a result of the USB cable, USB A micro USB A, 1.8 - 2 m cable, Pin ID is drawn to GND (ground) when the device is switched on and the internal MCU Bootloader is activated.