1. Display panel: LCD
2. Display resolution: 172 x 640
3. Display brightness: 350cd/square meter
4. Communication interface: QSPI
5. Touch interface: I2C
6. Display size: 3.49 inch
7. Display color: 16.7M
8. Contrast ratio: 1200:1
9. Driver chip: AXS15231B
10. Touch type: capacitive sensing
11. Size: about 9.85 x 3.48 x 3.18cm
Features:
1. Using Raspberry Pi design RP2350B microcontroller chip
2. Unique dual-core, dual architecture, equipped with dual-core ARM Cortex-M33 processor and dual-core Hazard3 RISC-V processor, clock running frequency up to 150MHz, support for flexible switching between the two architectures
3. Built-in 520KB SRAM and 16MB on-chip Flash.
4. Adopting Type-C interface, no need to worry about forward and reverse plugging
5. 3.49 inch capacitive touch HD IPS screen on board, 172 x 640 resolution, 16.7M color, can clearly display color images
6. Built-in AXS15231B display driver integrated chip, using QSPI and I2C interface communication
7. On-board 3.7V MX1.25 lithium battery charging and discharging interface
8. USB1.1 host and slave device support
9. Support for low-power sleep and hibernation mode
10. Can be recognized as mass storage via USB for drag-and-drop download program
11. 16 multi-functional GPIO pins
12. 1 HSTX, 2 SPI, 2 12C, 2 UART, 6 12-bit ADCs, and 16 controllable PWM channels
13. Precision on-chip clocks and timers
14. Temperature Sensors
15. On-chip accelerated floating point library
16. 12 programmable 1/O (PIO) state machines for custom peripheral support