UPD301C Basic Sink Application Example

Overview

The UPD301C Basic Sink Application Example Evaluation Kit (EV11L78A) is a low-cost evaluation platform for Microchip’s UPD301C Standalone Programmable USB Power Delivery (PD) Controller. This RoHS-compliant evaluation platform comes in a small form factor and adheres to the USB Type-C™ Connector Specification and USB PD 3.0 specification.

Hardware

ATSAMD20E16 ARM Cortex-M0+ processor at 48 MHz
UPD301C combines a SAMD20 core and a UPD350 USB-PD controller
Sink PDO Selector Switch
Onboard LED Voltmeter

Supported Features

The ev11l78a board configuration supports the following hardware features:

Interface	Controller	Driver / Component
NVIC	on-chip	nested vector interrupt controller
Flash	on-chip	Can be used with LittleFS to store files
SYSTICK	on-chip	systick
WDT	on-chip	Watchdog
ADC	on-chip	Analog to Digital Converter
GPIO	on-chip	I/O ports
USART	on-chip	Serial ports
I2C	on-chip	I2C ports
SPI	on-chip	Serial Peripheral Interface ports

Other hardware features are not currently supported by Zephyr.

Refer to the EV11L78A Schematics [1] for a detailed hardware diagram.

The default configuration can be found in the Kconfig boards/microchip/ev11l78a/ev11l78a_defconfig.

Serial Port

The SAMD20 MCU has 6 SERCOM based USARTs. One of the USARTs (SERCOM1) is available on the Debug/Status header.

SPI Port

The SAMD20 MCU has 6 SERCOM based SPIs. One of the SPIs (SERCOM0) is internally connected between the SAMD20 core and the UPD350.

I²C Port

The SAMD20 MCU has 6 SERCOM based I2Cs. One of the I2Cs (SERCOM3) is available on the Debug/Status header.