Version 1.0

Product Overview

The Cortex®-A72/53 series PPC-A72-101-C (PN: CS12800R101P) is a high-quality industrial panel PC. It features a 10.1” ten-point capacitive touch screen with a resolution of 1280 x 800 pixels and brightness of 400 cd/m2.

It is available both as an embedded solution and as a device hosed in an aluminum casing with bezels, thus facilitating different installation options:

  • Installation on an industrial cabinet

  • Integration with the existing equipment

The PPC-A72-101-C Industrial Panel PC is based around the powerful CS-SOM-RK3399 System on Module (SoM), powered by the Rokchip RK3399 low-power processor which integrates a dual-core Cortex®-A72 and a quad-core Cortex®-A53 with a separate NEON coprocessor.

The RK3399 supports multi-format video decoders and has a high-performance dual-channel external memory interface (DDR3/DDR3L/LPDDR3/LPDDR4) capable of sustaining demanding memory bandwidths. It also provides a complete set of peripheral interfaces.

Ordering Options

Chipsee products can be customized during the ordering process. The product will be shipped with the pre-installed factory defaults if no extra requirements are specified. The table in the Hardware Features section provides information about the default options bundled with the product.


You can order The PPC-A72-101-C Industrial Panel PC from the official Chipsee Store or from your nearest distributor.

Operating System

This product comes with a pre-installed OS of your choice. Please see the list below for the supported OSes, which can be also obtained from the Software Documentation section, along with the detailed installation instructions.

  • Chipsee Linux*

  • Android 7.1

  • Debian 10


Chipsee Linux is based on buildroot that has been integrated with:

  1. Chipsee Hardware Test Application

  2. An initialization script for GPIO/Buzzer/Audio

  3. Multiple libraries, such as the libQt5Sql to develop Qt application with SQL

  4. Various packages, such as the ntfs-3g to use NTFS file system


The Software Documentation section provides a detailed instruction how to install different OS on your own. However, bear in mind that Chipsee can’t take the responsibility of inadequate installation procedure. If you “brick” your device, please contact Chipsee Technical Support at service@chipsee.com for further assistance

Optional Features

The PPC-A72-101-C Industrial Panel PC does not include 4G/LTE module by default. The module is optional and can be selected at the Chipsee store during the ordering process.


Installation, repair, and maintenance tasks should be performed by trained personnel only.
Chipsee does not bear any responsibility for damage caused by inadequate handling of the product.

Hardware Features

The PPC-A72-101-C Industrial Panel PC offers a board range of performance and connectivity options for scalable integration, providing expandability according to future needs. Some of the key features are listed in the table below.

Table 88 Key Features



Rokchip RK3399, Dual-core Cortex-A72 (1.8GHz), Quad-core Cortex-A53 (1.4GHz)






TF Card, Supports up to 128GB SDHC


10.1” LCD, 1280 x 800, High Brightness: 400 cd/m2


10-point capacitive touch screen


1 x USB 2.0 HOST, 1 x USB 3.0 HOST, 1 x USB Type-C


1 x RJ45, GbE


3.5mm Audio In/Out Connector, 2W Internal Speaker






3 x RS232 (Optional 5 x RS232 at most, 1 debug port)1


2 x RS4851


8 Channels


Integrated WiFi/BT Module


Supported, Optional

Power Input

From 12V to 36V

Current at 15V

700mA Max

Power Consumption

12W Typical

Working Temperature

From 0°C to +60°C


Android 7.1 Debian10 Buildroot Linux Qt5.12


PPC-A72-101-C (PN: CS12800R101P): 275.5 x 193.5 x 46.0mm


PPC-A72-101-C (PN: CS12800R101P): 1600g


PPC-A72-101-C (PN: CS12800R101P): Panel


This product has 5 x UART channels in total. The default configuration is 3 x RS232 and 2 x RS485, include 1 debug port. UART can be swapped between RS232 and RS485 modes easily, so if you need different RS232/RS485 configuration, please get in touch with the Chipsee Technical Support at service@chipsee.com

Power Input

The PPC-A72-101-C Industrial Panel PC can be powered by a wide range of input voltages: From 12V to 36V DC. The power input connector is a 3-pin, 3.81mm terminal. The polarity and the pinout is clearly marked on the housing of the product as shown on the figure below.


Figure 432: Power Input

Note that the “+” sign represents the positive power input, and it is printed both at the casing and as a silk-screen on a PCB of the embedded version. The “-” terminal is shorted to the ground.

Table 89 Power Connector

Power Input Definition

Pin Number



Pin 1

Positive Input

DC Power Positive Terminal

Pin 2

Negative Input

DC Power Negative Terminal

Pin 3


Power System Ground


The system ground “G” is connected to power negative “-” on board.

Touch Screen

The PPC-A72-101-C Industrial Panel PC uses a 10-point capacitive touch screen.


Figure 433: Capacitive Touch Screen Connector


A capacitive touch screen is susceptible to power noise and Electromagnetic Radiation (EMR). It may cause LCD ripples or even capacitive touch malfunction. If using a capacitive multi-touch test application, you might notice the touch points float erratically across the display. There are several solutions to this problem:

  1. Use a high-quality Power Adapter Unit (PSU) with low EMR. You can also provide power from a battery.

  2. Make sure that the PPC-A72-101-C Power Input connector (pin 3) is properly connected to the Power System Ground to provide sufficient EMI shielding and eliminate the problem entirely.

  3. Bad GND problem can also be confirmed by touching pin 3 of the Power Input connector with one hand while operating the capacitive touch screen with the other hand. In this case, the operator’s body acts as the Power System Ground.


There are many connectivity options available on the PPC-A72-101-C industrial PC. It has 1 x USB 2.0 HOST, 1 x USB 3.0 HOST, 1 x USB Type-C, 1 x network connector (RJ45) supporting up to 1 Gbps, 8xGPIO and 5 x UART terminals (RS232/485).

RS232+RS485+CAN+GPIO Connector

The serial communication interfaces (RS485, RS482, and CAN) are routed to a 12-pin 3.81mm terminal, as illustrated on the figure below. Serial communication on both RS485 and RS232 interfaces can reach up to 115200 kbps.


The table below offers more detailed description of every pin and its definition:

Table 90 Connectivity Section

RS232 / RS485 / CAN / GPIO Pin Definition:

Pin Number



Pin 1


CAN H signal

Pin 2


CPU UART2, CPU RS232 RXD signal

Pin 3


CAN L signal

Pin 4


CPU UART2, CPU RS232 TXD signal

Pin 5


USB UART4, RS485 -(B) signal

Pin 6


Isolated Input 4

Pin 7


USB UART4, RS485 +(A) signal

Pin 8


Isolated Input 3

Pin 9


USB UART3, RS485 -(B) signal

Pin 10


Isolated Input 2

Pin 11


USB UART3, RS485 +(A) signal

Pin 12


Isolated Input 1

Pin 13


USB UART2, RS232 RXD signal

Pin 14


Isolated Output 4

Pin 15


USB UART2, RS232 TXD signal

Pin 16


Isolated Output 3

Pin 17


USB UART1, RS232 RXD signal

Pin 18


Isolated Output 2

Pin 19


USB UART1, RS232 TXD signal

Pin 20


Isolated Output 1

Pin 21


System Ground

Pin 22


Isolated Ground

Pin 23


System 5V output, up to 1A

Pin 24


Isolated Power Input,support 5V~24V


  • The 120Ω match resistor for the RS485 and CAN bus is NOT mounted by default.

  • This products support change 2 x RS485 to 2 x RS232 and support up to 5 x RS232 (include one debug port).

  • The GPIO Connector is optional. You can Contact us if you need it.

  • The GPIO has been Opt-Isolated and it uses the 5V Logic by default. You can use an external isolated power input but the power input range should be from 5V to 24V DC.

  • The 4 output channels can drive at most 500mA current on each channel.

USB Connectors

There are 2 x USB HOST connectors onboard which includes 1 x USB 2.0 HOST, 1 x USB 3.0 HOST, 1 x USB Type-C , as shown in the figures below.


Figure 434: USB 2.0 HOST Connectors (embedded/enclosed PC version)


Figure 435: USB 3.0 HOST Connectors (embedded/enclosed PC version)


Figure 436: USB Type-C Connector (embedded/enclosed PC version)


Be careful not to touch surrounding electronic components accidentally while plugging in USB devices into the embedded IPC version.

LAN Connectors

LAN (RJ45) connector provides Ethernet connectivity over standardized Ethernet cables as shown the figure below. The integrated Ethernet interface supports up to 1 Gbps data throughput.


Figure 437: RJ45 LAN Connector


Use CAT5 or better cables to achieve full data throughput over maximum distance defined by the 1000BASE-T standard (100m).

WiFi & BT Module

The PPC-A72-101-C Industrial Panel PC is equipped with the popular Realtek RTL8723 WiFi/BT module that supports BT/BLE 4.0 (with backward compatibility), as well as 802.11bgn 2.4 GHz Wireless LAN (WLAN).


Figure 438: RTL8273 WiFi/BT Module

The product includes an SMA connector for an external WiFi/BT antenna, as illustrated in the figure below.


Figure 439: WiFi+BT Antenna

4G/LTE Module

The PPC-A72-101-C Industrial Panel PC is equipped with a mini-PCIe connector that can connect to a 4G/LTE module. The customer will also need a SIM Card Holder and a 4G/LTE Antenna Connector to ensure 4G/LTE works on the PPC-A72-101-C.


Figure 440: mini-PCIe Connector & 4G Module


Figure 441: SIM Card Holder & 4G Antenna


The product does not come shipped with the 4G/LTE module by default.

TF Card Slot

The PPC-A72-101-C Industrial Panel PC features 1 x TF Card (micro SD) slot. It can address up to 128GB of memory.


Figure 442: TF (micro SD) Card Slot


The product does not come shipped with the TF Card by default.

Audio Connectors

The PPC-A72-101-C Industrial Panel PC features some audio peripherals. It has 1 x 3.5mm audio output jack.
Also, the PPC-A72-101-C industrial Pi PC has a miniature 2W internal speaker for audio reproduction, as well as a small buzzer for alarm/notification sounds.


Figure 443: Audio Connector (enclosed PC version)


By plugging in the headphone cable, the internal speaker will be disabled automatically.

In addition, PPC-A72-101-C features a miniature 2W embedded speaker for audio reproduction, as well as a small buzzer for alarm/notification sounds.


Figure 444: 2W Micro Speaker and Buzzer

Power Button

The PPC-A72-101-C Industrial Panel PC has a power button, as shown on the figure below. You can use the button to power ON or OFF the industrial PC.


Figure 445: Power Button

Mounting Procedure

The PPC-A72-101-C Industrial Panel PC can be mounted with 4 x M4 screws, enabling simplified installation onto any standard mounting fixture.


You can mount PPC-A72-101-C with the Vesa (75 x 75mm) and Panel mounting methods, as shown on the figure below.


Figure 446: Panel mounting


Please make sure the display is not exposed to high pressure when mounting into an enclosure.

You can find detailed information about mounting in the Mount IPC Guide.

Mechanical Specifications


For PPC-A72-101-C, the outer mechanical dimensions are 275.5 x 193.5 x 46.0mm (W x L x H).

Technical Support

Please feel free to contact us with any questions, queries or suggestions.

If your question is related to technical support or troubleshooting for one of our products, we kindly ask you to check our documentation for a possible solution first.

If you still cannot find the solution you are looking for, please write to Chipsee Technical Support at service@chipsee.com, providing all relevant information.



Chipsee assumes no responsibility for any errors that may occur in this manual. Furthermore, Chipsee reserves the right to alter hardware, software, and/or specifications set forth herein at any time without prior notice, and undertakes no obligation to update the information contained in this document. Chipsee products are not authorized for use as critical components in life support devices or systems.