Difference between revisions of "QTPy49"

From Land Boards Wiki
Jump to navigation Jump to search
Line 9: Line 9:
 
* CPU choices are
 
* CPU choices are
 
** [[QT Py (SAMD based)]]
 
** [[QT Py (SAMD based)]]
 +
*** [https://www.adafruit.com/product/4600 Adafruit QT Py SAMD21 Product Page]
 +
*** [https://www.seeedstudio.com/Seeeduino-XIAO-Arduino-Microcontroller-SAMD21-Cortex-M0+-p-4426.html?queryID=3273c05f7923d5ee5cbc677ce4892180&objectID=4426&indexName=bazaar_retailer_products Seeeduino XIAO]
 
** [[QT Py (RP2040 based)]]
 
** [[QT Py (RP2040 based)]]
* Socketed CPU
+
*** [https://www.adafruit.com/product/4900 Adafruit QT Py RP2040 Product page]
 +
*** [https://www.seeedstudio.com/XIAO-RP2040-v1-0-p-5026.html Seeed XIAO RP2040 Product page]* Socketed CPU
 
* Connectors/Headers
 
* Connectors/Headers
 
** DC Power
 
** DC Power

Revision as of 12:46, 4 July 2022

Tindie-mediums.png

QTPy49 P18254-720px.jpg

Features

CPU Pinouts

Adafruit QT Py SAMD

Adafruit products Adafruit QT Py SAMD21 pinout.png

Seeed Studio XAIO SAMD

Seeeduino-XIAO-pin-out.jpg

Adafruit QT Py RP2040

Adafruit products qtpy-rp2040-pins.png

Seeed Studio XAIO RP2040

Seeed-xinpin-rp2040.jpg

Connectors/Headers

QTPy49-P18253-720pxV.jpg

  • Ground, Voltage, Signal (GVS) connections

J1 - DC In

  • QTPy49 can be powered from with either the USB C or DV jack
    • Automatic Schottky diode power switching
    • 7-12V if regulator is installed
    • 5V if regulator is not installed (install J2 jumper if not using regulator)
  • Center positive

J2 - Short Regulator

  • Install if J1 has 5V
  • No need to install U2 regulator

J3 - SPI

  1. GND
  2. 3.3V
  3. SS, AD3
  4. MOSI, S10
  5. MISO, D9
  6. SCK, D8

J4 - UART

  1. GND
  2. 3.3V
  3. TX, D6
  4. RX, D7

J5 - I2C

  1. GND
  2. 3.3V
  3. D4, SDA
  4. D5, SCL

J6 - AD3

  • Digital I/O 3
  • Analog In 3
  • PWM output
  • Capacitive touch input
  • Pinout
  1. GND
  2. 3.3V
  3. AD3

J7 - AD2

  • Digital I/O 2
  • Analog In 2
  • PWM
  • Capacitive touch input
  • Pinout
  1. GND
  2. 3.3V
  3. AD2

J8 - AD1

  • Digital I/O 1
  • Analog In 1
  • Capacitive touch input
  • AREF pin
  • Pinout
  1. GND
  2. 3.3V
  3. AD1

J9 - AD0

  • Digital I/O 0
  • Analog In 0
  • True analog output with 10 bit precision
  • Does not have PWM
  • Capacitive touch input
  • Pinout
  1. GND
  2. 3.3V
  3. AD0

Prototype

  • Built on GRID49 card
  • Breaks out QY Py pins to (2) 1x7 headers
  • Power/ground distribution on 2x8 header
  • Limit: Must be powered from USB C connector

QTPy Proto P18238-720px.jpg

Mechanicals

QTPy49 MECHS.PNG

Assembly Sheet