The RP2350-Touch-LCD-3.49 is a high-performance, highly integrated microcontroller development board designed by Waveshare. Onboard 3.49inch capacitive touch IPS display, highly integrated power management IC, 6-axis IMU (3-axis accelerometer and 3-axis gyroscope), RTC chip, low-power audio codec IC, TF card slot, and so on, which makes it easy for you to develop and integrate into the products quickly.

• RP2350B microcontroller chip designed by Raspberry Pi in the United Kingdom
• Adopts unique dual-core and dual-architecture design: dual ARM Cortex-M33 or dual Hazard3 RISC-V processors support, flexible clock running up to 150 MHz
• 520KB of SRAM, 16MB onboard Flash memory
• Type-C connector for easier use
• Onboard 3.49inch IPS capacitive touch display, 172 × 640 resolution, 16.7M color, for clear color picture display
• Built-in AXS15231B LCD & touch controller, using QSPI and I2C interfaces for communication respectively
• Onboard 3.7V MX1.25 Lithium Batt. recharge/discharge header and 18650 Lithium Batt. holder
• USB 1.1 with device and host support
• Low-power sleep and dormant modes
• Drag-and-drop programming using mass storage over USB
• 16 × Multi-Function GPIO Pins
• 1 × HSTX, 2 × SPI, 2 × I2C, 2 × UART, 6 × 12-bit ADC and 16 × controllable PWM channels
• Accurate clock and timer on-chip
• Temperature sensor
• Accelerated floating-point libraries on-chip
• 12 × Programmable I/O (PIO) state machines for custom peripheral support