---
title: Radix DUO Anatomy
slug: radix-duo-anatomy
docTags: 
createdAt: 2024-07-31T12:19:14.951Z
---

## DUO Anatomy

The RADIX shown below is the 40 A \[ 44 PIN Device, in the TQFP Package], and illustrates the standard layout for the DUO series of development boards.

![](https://api.archbee.com/api/optimize/SSO47QPOMHKGT5fnyAABt-G1if_K5wSqcTOEdurkhZz-20240731-122451.jpg "DUO ANATOMY")

| ****<font color="#ff6900">**Item**</font> | <font color="#ff6900">**Name**</font>**** | <font color="#ff6900">**Description**</font>                                                                             |
| ----------------------------------------- | ----------------------------------------- | ------------------------------------------------------------------------------------------------------------------------ |
| 1                                         | MPROG Header                              | Interface for the MPROG Programmer from Mikroe                                                                           |
| 2                                         | ICSP Header                               | ICSP Header for the PICKIT Programmer                                                                                    |
| 3                                         | MCU                                       | PIC Microchip, 8 BIT                                                                                                     |
| 4                                         | Resonator                                 | Ceramic Resonator, supplied in 8MHZ                                                                                      |
| 5                                         | PCB                                       | Creditcard-sized PCB                                                                                                     |
| 6                                         | Power Selection                           | The DIP switches configure the power settings for the PCB                                                                |
| 7                                         | Reset                                     | Reset button that restarts the MCU                                                                                       |
| 8                                         | VoltageRegulator                          | LD1117, variable voltage regulator                                                                                       |
| 9                                         |  USB Connector                            | Type B USB connector, commonly referred to as a Pinter cable. The USB connector is tied to a CH340G USB to Serial Bridge |
| 10                                        | UART Breakout                             | Remove the jumpers to isolate the USART                                                                                  |
| 11                                        | I/O Headers                               | Direct connection to the PIC's I/O headers                                                                               |

