Difference between revisions of "QTPy49"
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*** [https://www.adafruit.com/product/4600 Adafruit QT Py SAMD21 Product Page] | *** [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] | *** [https://www.seeedstudio.com/Seeeduino-XIAO-Arduino-Microcontroller-SAMD21-Cortex-M0+-p-4426.html?queryID=3273c05f7923d5ee5cbc677ce4892180&objectID=4426&indexName=bazaar_retailer_products Seeeduino XIAO] | ||
+ | *** 48 MHz | ||
** [[QT Py (RP2040 based)]] | ** [[QT Py (RP2040 based)]] | ||
*** [https://www.adafruit.com/product/4900 Adafruit QT Py RP2040 Product page] | *** [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 | *** [https://www.seeedstudio.com/XIAO-RP2040-v1-0-p-5026.html Seeed XIAO RP2040 Product page]* Socketed CPU | ||
+ | *** 133 MHz | ||
* Connectors/Headers | * Connectors/Headers | ||
** DC Power | ** DC Power |
Revision as of 12:47, 4 July 2022
Features
- CPU choices are
- Connectors/Headers
- DC Power
- AD0 GVS
- AD1 GVS
- AD2 GVS
- AD3 GVS
- I2C with ground/VCC
- TX/RX with ground/VCC
- SPI with ground/VCC
- QTPy49 can be powered from with either the USB C or DC jack
- Automatic Schottky diode power switching between
- 5V from USB C
- 5V on external DC jack
- 7-12V on DC jack
- Automatic Schottky diode power switching between
- 49x49mm ODAS form factor
- (4) 4-40 mounting holes
CPU Pinouts
Adafruit QT Py SAMD
Seeed Studio XAIO SAMD
Adafruit QT Py RP2040
Seeed Studio XAIO RP2040
Connectors/Headers
- 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
- GND
- 3.3V
- SS, AD3
- MOSI, S10
- MISO, D9
- SCK, D8
J4 - UART
- GND
- 3.3V
- TX, D6
- RX, D7
J5 - I2C
- GND
- 3.3V
- D4, SDA
- D5, SCL
J6 - AD3
- Digital I/O 3
- Analog In 3
- PWM output
- Capacitive touch input
- Pinout
- GND
- 3.3V
- AD3
J7 - AD2
- Digital I/O 2
- Analog In 2
- PWM
- Capacitive touch input
- Pinout
- GND
- 3.3V
- AD2
J8 - AD1
- Digital I/O 1
- Analog In 1
- Capacitive touch input
- AREF pin
- Pinout
- GND
- 3.3V
- 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
- GND
- 3.3V
- 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