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Adafruit Feather RP2350 with HSTX Port
RP2350 flies high with the Feather format - now you can use any FeatherWings with this battery-powered dev board. It comes with 8MB of flash, 22pin HSTX output port, Stemma QT, debug SWD, and optional PSRAM spot. It's our first RP2350 board and we crammed a ton of goodies into our classic Feather format. It's an excellent starter board to go along with your Pico 2.
The RP2350 is Raspberry Pi's second microcontroller chip following their breakout-hit the RP2040. Building on their success, the RP2350 upgrades the dual M0 core to dual M33 cores with 150 MHz clock rate. The M33 is a much newer Arm chipset, we've found that firmware runs about twice as fast. Especially given that we now have hardware floating point support. Also, the RP2350 has twice as much SRAM: 520KB instead of 264KB which means that micropython/circuitpython runs great and also IoT projects that need a lot of memory buffer space will run better. Other improvements include, 3 PIO blocks instead of 2, TrustZone secure boot, and a special High Speed Transmit (HSTX) peripheral that drives 4 lanes of differential data transmission such as DVI output without needing to overclock or use PIO.
For peripherals, there are two I2C controllers, two SPI controllers, and two UARTs that are multiplexed across the GPIO - check the pinout for what pins can be set to which. There are 24 PWM channels, each pin has a channel it can be set to (ditto on the pinout).
Specifications
- Measures 2.0" x 0.9" x 0.28" (50.8mm x 22.8mm x 7mm) without headers soldered in
- Light as a (large?) feather - 5 grams
- RP2350 32-bit Cortex M33 dual core running at 150 MHz @ 3.3V logic and power
- 520 KB RAM + 8 KB OTP memory
- 8 MB SPI FLASH chip for storing files and CircuitPython/MicroPython code storage. No EEPROM
- Optional spot for SOIC PSRAM chip with chip select line on GPIO 8
- 21 GPIO available on the Feather header pins, 8 more 'consecutive' GPIO available on the HSTX connector (you don't have to use them with the HSTX peripheral)
- Four 12-bit ADCs (one more than Pico 2)
- Two I2C, Two SPI, and two UART peripherals, we label one for the 'main' interface in standard Feather locations
- 24 x PWM outputs - for servos, LEDs, etc
- Built-in 200mA+ lipoly charger with charging status indicator LED. For non-rechargeable battery usage the charger can be disabled by cutting a jumper trace on the back.
- Pin #7 red LED for general purpose blinking
- RGB NeoPixel for full-color indication.
- On-board STEMMA QT connector that lets you quickly connect any Qwiic, STEMMA QT or Grove I2C devices with no soldering!
- Both Reset button and Bootloader select button for quick restarts (no unplugging-replugging to relaunch code)
- 3.3V Power/enable pin
- 12 MHz crystal for perfect timing.
- 3.3V regulator with 500mA peak current output
- USB Type C connector lets you access built-in ROM USB bootloader and serial port debugging
Package Includes
- 1x Feather RP2350 with HSTX Port
