ABLS-12.000MHZ-B4-T
Abracon
The chosen crystal for this design is an ABLS-12.000MHZ-B4-T (Y1 in Figure 8).
Design DocumentMouser
Hardware Design with RP2040 Microcontroller
A technical guide for designing hardware with the Raspberry Pi RP2040 microcontroller, featuring minimal design examples, schematics, and peripheral integration for VGA and audio.
Overview
This document provides comprehensive hardware design guidelines for the Raspberry Pi RP2040 microcontroller. It details a minimal design implementation covering power supply requirements, decoupling capacitors, and the internal voltage regulator. Technical specifications are provided for integrating external components including Winbond W25Q128JVS flash storage and Abracon 12MHz crystal oscillators. The guide also describes a complex demo board featuring VGA video via a resistor DAC, SD card connectivity, and dual audio output options (PWM and PCM/I2S). Detailed schematics and PCB layout considerations are included to assist engineers in developing custom boards using the RP2040 and supporting components like the onsemi NCP1117 regulator.
Use Cases
- Developing custom RP2040-based PCB designs
- Integrating external QSPI flash memory with microcontrollers
- Implementing low-cost VGA video output
- Designing embedded systems with USB 1.1 Host/Device support
- Creating audio-enabled microcontroller applications
Topics
RP2040
Raspberry Pi
Hardware Design
Microcontroller
Schematic
PCB Layout
QSPI Flash
VGA DAC
PWM Audio
NCP1117
W25Q128JVS
ABLS-12.000MHZ-B4-T
Referenced Parts
RP2040
Raspberry Pi
The documentation of the RP2040 microcontroller is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International (CC BY-ND).
W25Q128JVS
Winbond
The device chosen here is an W25Q128JVS device (U2 in the Figure 7), which is a 128Mbit chip (16Mbyte).
NCP1117
onsemi
The NCP1117 (U1) chosen here has a fixed output of 3.3V, is widely available, and can provide up to 1A of current
| ABLS-12.000MHZ-B4-T | Abracon | The chosen crystal for this design is an ABLS-12.000MHZ-B4-T (Y1 in Figure 8). |
| RP2040 | Raspberry Pi | The documentation of the RP2040 microcontroller is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International (CC BY-ND). |
| W25Q128JVS | Winbond | The device chosen here is an W25Q128JVS device (U2 in the Figure 7), which is a 128Mbit chip (16Mbyte). |
| NCP1117 | onsemi | The NCP1117 (U1) chosen here has a fixed output of 3.3V, is widely available, and can provide up to 1A of current |