UM2153 datasheet(34/57 Pages) STMICROELECTRONICS

Teilenummer	UM2153

Bauteilbeschribung	Discovery kit for IoT node, multi-channel communicationwith STM32L4

PDF	57 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Connectors

UM2153

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DocID030118 Rev 3

8.5

USB OTG FS micro-AB

Figure 21. USB OTG FS Micro-AB connector CN9 (front view)

8.6

PMOD connector CN10

On STM32L4 Discovery kit for IoT node, the PMOD connector provides flexibility in small

form factor application. Based on PMOD Digilent standard popular in connectivity, the

PMOD connector is implemented in type 2A and 4A.

The related STM32L475VG I/Os for PMOD function are listed in Table 10. The PMOD

connector is 2x6 pins with 2.54 mm pitch and right angle female connector.

Table 8. USB OTG FS Micro-AB pinout

Connector

number

Pin names

Signal name

STM32L4

Function

CN9

1VBUS

USB_OTG_5V_VBUS

PA9

5 V power and

detection

USB_OTG_FS_DM

PA11

USB diff pair M

USB_OTG_FS_DP

PA12

USB diff pair P

USB_OTG_FS_ID

PA10

USB identification

5GND

GND

Table 9. USB OTG FS power management

Pin number

Pin names

Signal names

STM32L4 pin

Function

IC19-3

FAULTn

USB_OTG_FS_OVRCR_EXTI3

PE3

Over Current IT

IC19-4

ENn

USB_OTG_FS_PWR_EN

PD12

USB Power enable

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