SPIDER Automation Adafruit ItsyBitsy RP2040 | Dual-Core Cortex-M0+ & 8MB SPI Flash | For Compact Embedded Systems
Description
The Adafruit ItsyBitsy RP2040 is a compact microcontroller development board based on the Raspberry Pi RP2040 processor. It combines a dual-core ARM Cortex-M0+ architecture with high-speed processing, on-chip SRAM and external SPI Flash, providing a capable embedded platform in the small ItsyBitsy form factor.
The RP2040 platform provides 264KB of on-chip SRAM together with 8MB of SPI Flash on the board. The architecture includes multiple hardware communication interfaces, PWM channels, analog inputs, USB 1.1 and programmable I/O, giving the board considerable flexibility for embedded control, instrumentation, automation and compact electronics.
Firmware can be loaded using the RP2040’s native USB UF2 bootloader. By entering bootloader mode during USB connection, the board can appear as a USB storage device for straightforward firmware installation. This makes development and firmware updates convenient without requiring an external programming adapter.
The board is supplied with loose 0.1-inch headers, allowing the user to configure the board for breadboard use, socketed installation or direct wiring according to the requirements of the application.
Key Features
- RP2040 Microcontroller: Raspberry Pi RP2040 dual-core microcontroller platform.
- Dual Cortex-M0+ Cores: Two 32-bit ARM Cortex-M0+ processor cores for parallel embedded processing.
- 125MHz Clock: Provides high processing speed for compact embedded applications.
- 264KB SRAM: On-chip SRAM arranged across six independent memory banks.
- 8MB SPI Flash: On-board non-volatile storage for firmware, programs and application data.
- QSPI Flash Interface: RP2040 supports external Flash through its dedicated QSPI architecture.
- DMA Controller: Supports efficient data transfers without continuous processor intervention.
- AHB Crossbar: Provides internal connectivity between RP2040 processing and peripheral resources.
- Programmable I/O: Eight PIO state machines provide flexible custom digital interfaces and timing control.
- UART: Two hardware UART controllers.
- SPI: Two hardware SPI controllers.
- I2C: Two hardware I2C controllers.
- PWM: 16 PWM channels for hardware-based waveform and control applications.
- Analog Inputs: Four GPIO-capable inputs can be used for analog measurement.
- USB 1.1: Integrated USB controller and PHY supporting host and device operation.
- USB UF2 Bootloader: Supports convenient firmware loading through USB storage-style bootloader operation.
- BOOTSEL Control: Dedicated bootloader entry method for firmware programming.
- Programmable LDO: Integrated voltage regulation architecture for the RP2040 core.
- PLL Clock Generation: Two on-chip PLLs support USB and core clock generation.
- Compact ItsyBitsy Form Factor: Designed for applications where PCB space is limited.
- Loose Headers: Supplied 0.1-inch headers can be installed according to the required mounting configuration.
Benefits
- Compact Embedded Integration: Provides substantial processing and peripheral capability in a small board format.
- Flexible Hardware Interfaces: Multiple UART, SPI, I2C, PWM, USB and PIO resources support diverse system architectures.
- Fast Firmware Development: Native USB UF2 bootloader simplifies firmware programming and updates.
- On-Board Storage: 8MB SPI Flash provides space for firmware and application data.
- Hardware Control Capability: PWM, GPIO, analog inputs and programmable PIO support real-time control applications.
- Flexible Mechanical Integration: Loose headers allow the board to be configured for different installation requirements.
Applications
- Embedded Control: Compact controllers for electronic and automation equipment.
- Industrial Prototyping: Rapid development of control interfaces and embedded hardware.
- Sensor Interfaces: Applications using analog inputs, I2C, SPI or UART sensors.
- Motor and Actuator Control: PWM and GPIO-based control of compatible drivers and actuators.
- Data Logging: Local firmware and application data storage using on-board SPI Flash.
- Instrumentation: Compact measurement and monitoring equipment.
- USB Devices: Embedded systems requiring native USB host or device functionality.
- Custom Digital Interfaces: Applications requiring programmable PIO timing and signal control.
Package Includes
- 1 × Adafruit ItsyBitsy RP2040
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Development Board |
| Board Type | ItsyBitsy |
| Microcontroller | RP2040 |
| Processor | 32-bit ARM Cortex-M0+ Dual Core |
| Clock Frequency | 125MHz |
| SRAM | 264KB On-Chip SRAM |
| SPI Flash | 8MB |
| Digital GPIO | 23 GPIO pins as stated for the ItsyBitsy board |
| Analog Inputs | 4 |
| PWM Channels | 16 |
| UART | 2 Controllers |
| SPI | 2 Controllers |
| I2C | 2 Controllers |
| USB | USB 1.1 Host and Device |
| PIO State Machines | 8 |
| DMA Controller | Integrated |
| Bootloader | Native USB UF2 Bootloader |
| GPIO Analog Capability | 4 GPIOs with Analog Input Capability |
| Header Type | Loose 0.1-Inch Headers |
| Shipping Weight | 0.006kg |
| Shipping Dimensions | 10 × 7.5 × 1cm |