NXP P3S0210BQ-ARD Evaluation Board User Manual

NXP P3S0210BQ-ARD Evaluation Board User Manual

Document information

user manual, P3S0210BQ- ARD evaluation board
Abstract| The P3S0210 is a dual bidirectional I3C-bus 1:2 and 2:1 switch and voltage level translator with auto direction sensing, that enables bidirectional voltage level translation. This user manual describes the setup, configuration and operation of the P3S0210BQ-ARD evaluation board.

Introduction

The P3S0210 is a dual bidirectional I3C bus 1:2 and 2:1 switch and voltage level translator with auto direction sensing, that enables bidirectional voltage level translation. It includes a reference supply (VCCR), supplies for ports 1, 2, and S (VCCP1, VCCP2, and VCCS respectively), and a supply for OE and SEL pins (VCCE).

The supply voltage of VCCP1, VCCP2, VCCS, and VCCE is between 0.72 V to 3.63 V. The reference supply VCCR is between 1.62 V to 3.63 V and should be greater or equal to VCCP1, VCCP2, VCCS, and VCCE.

Pins A1 and B1 are referenced to VCCP1, pins A2 and B2 are referenced to VCCP2, and pins A and B are referenced to VCCS. The OE and SEL pins are defined for enable and port selection that are referenced to VCCE.

P3S0210BQ-ARD evaluation board can be used for both open-drain as well as push-pull application which allows for I3C-bus and other applications like I2C-bus, SMBus and SPI protocols.

This document is intended to help the users to quickly set up, configure, and operate the evaluation board in the
users’ hardware platform

Finding kit resources and information on the NXP web site

NXP Semiconductors provides online resources for this evaluation board and its supported device(s) on
http://www.nxp.com.The information page for P3S0210BQ-ARD evaluation board is at http://www.nxp.com/
P3S0210BQ-ARD. The information page provides overview information, documentation, software and tools,
parametrics, ordering information and a Getting Started tab. The Getting Started tab provides quick-reference information applicable to using the P3S0210BQ-ARD evaluation board, including the downloadable assets referenced in this document.

Collaborate in the NXP community
The NXP community is for sharing ideas and tips, ask and answer technical questions, and receive input on just about any embedded design topic.

The NXP community is at http://community.nxp.com

Getting ready

Working with the P3S0210BQ-ARD evaluation board requires the kit contents.

Kit contents

• Assembled and tested evaluation board in an anti-static bag
• Quick Start Guide

Getting to know the hardware

As default, P3S0210 Port1 and Port2 are configured to operate at 1.8 V while PortS is configured to operate at 3.3 V via jumper settings (see Table 2). Port1 and Port2 I2C/I3C interfaces are available at J21 and J50, while PortS I2C/I3C is available on J20.

Each of P3S0210 port has one one-board 8-bit I2C GPIO expander (PCA9538), and one I3C temperature sensor (P3T1755) connected to it. The user I2C/I3C controller can access these devices via the port I2C/I3C interface headers. The factory default I2C/I3C addresses for these devices are listed on Table 4. The user can also be able to connect their own I2C/I3C devices to the port I2C/I3C interface headers, and access these devices via the other I2C/I3C interface headers. GPIO0 and PGIO1 on each of the PCA9538 are connected to a pair of LEDs. The user can turn on, turn off, or blink the LED via the port I2C interface and the PCA9538.

P3S0210 can be enabled/disabled via J42. As factory default, P3S0210 is enabled.

P3S0210 Port1 or Port2 can be selected to connect to PortS via J44. As factory default, J44 is set to select Port1 to connect to PortS. Port2 can be selected to PortS as well by reposition the jumper on J44.

The P3S0210BQ-ARD evaluation board is powered via a USB micro-B connector, J51. There are on-board LDOs to convert 5 V from the micro-B connector to other power rails to provide power to P3S0210 VCCP1, VCCP2, VCCS, VCCE, VCCR and other components on the board. The voltage at each LDO output can be selected via the headers at the LDO FB pin. The output voltage is set with a resistor divider, and a jumper is used to select the lower resistor to set the LDO output voltage.

The P3S0210BQ-ARD evaluation board is also designed to be mated and controlled by a standard micro controller board which equipped with standard Arduino headers. The P3S0210 is then powered by the available 5 V rail from the micro- controller board. Table 6 lists all interface signals the MCU needs to communicate with the P3S0210. If desires, there are test points at each of the I2C/I3C interface header that the user can jump wire the micro-controller I3C signals to these test points.

Connectors and jumpers
Please refer to Figure 3 for the location of connectors and jumpers on the evaluation board.

P3S0210 VCCP1, VCCP2, VCCS, VCCE, VCCR select jumper settings
As default, P3S0210 power rails are set as onboard power as shown in Table 1. External power rail can be used by removing the jumper from 2-3, and placing it on 1-2

Table 1. VCCP1, VCCP2, VCCS, VCCE, VCCR select jumper settings

P3S0210 enable and switch select jumper settings
P3S0210 enable and channel switch can be manually selected or be controlled by the external MCU via the Arduino extension headers.

Table 3. Enable and switch select jumper settings

On-board I2C and I3C devices

Table 4. On-board I2C and I3C devices

(default)

On-board I2C and I3C devices

Table 4. On-board I2C and I3C devices

The I2C and I3C addresses in Table 4 are the factory default addresses. These addresses can be changed to other addresses via headers. Please see the green footnotes on the P3S0210BQ-ARD evaluation board schematic.

On-board I2C/I3C pull-up resistor selection
On each of the port I2C/I3C interface header, there are on-board pull up resistor on SCL and SDA signals. The jumpers can be used to select the on- board pull up of either 2.2K or 1K. The on-board pull up resistors can also be disconnected to use the off the board pull up. In this case, the jumpers should be removed from the headers listed below.

Table 5. On-board I2C/I3C pull-up resistor selection

| Header| Jumper on| On-board PU on| On-board PU off
---|---|---|---|---
Port1| JP37, JP38| 1-2-3| 1-2: 2.2K, 2-3:1K| Remove jumpers
Port2| JP48, JP49| 1-2-3| 1-2: 2.2K, 2-3:1K| Remove jumpers
PortS| JP28, JP29| 1-2-3| 1-2: 2.2K, 2-3:1K| Remove jumpers

Arduino headers
The P3S0210BQ-ARD evaluation board is also designed to be mated and controlled by a standard micro controller board which equipped with standard Arduino headers. The four headers used for this purpose are J1, J2, J6 and J7

Table 6. Arduino headers

Test points
There are a number of test points to allow the user to monitor and observe I2C/I3C signals that coming in and out Port1, Port2 and PortS.

Table 7. Test points

Schematic, board layout and bill of materials
The schematic, board layout and bill of materials for the P3S0210BQ-ARD evaluation board are available at
http://www.nxp.com/P3S0210BQ-ARD.

P3S0210 operation guide

1. Unpack the board and power it with the USB2 cable

2. Connect the 1.8V I3C controller to Port1 via J21, or PortS via J20 if 3V3 I3C controller. See schematic for wiring connection.
   Note: As default, Port1 has on-board 2.2K pull-up. If the pull-up is on the I3C controller, then the on-board pull-up can be disabled via J37 and J38 (see Table 5).

3. The I3C controller then can communicate with the 8-bit GPIO PCA9538 via I2C, or the temperature sensor P3T1755 via I3C on Port1. The 1.8 V I3C controller can also communicate with the 8-bit GPIO PCA9538 via I2C, or the temperature sensor P3T1755 via I3C on PortS as well. These devices are located at different I2C/I3C addresses, see Table 4 for their default factory addresses.

Errata list

Table 8. Errata

Revision history

Table 9. Revision history

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