Difference between revisions of "QTPy49"

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Line 92: Line 92:
  
 
* MISO - AD9
 
* MISO - AD9
** GP4 on XIAO-RP2040
+
** GP4 on XIAO-RP2040 and SeeedStudio RP2040
 
** PA09 on Adafruit SAMD21
 
** PA09 on Adafruit SAMD21
 
* MOSI - AD10
 
* MOSI - AD10
** GP3 on XIAO-RP2040
+
** GP3 on XIAO-RP2040 and SeeedStudio RP2040
 
** PA10 on Adafruit SAMD21
 
** PA10 on Adafruit SAMD21
 
* SCK - AD8
 
* SCK - AD8
 
** GP2 on XIAO-RP2040
 
** GP2 on XIAO-RP2040
 +
** GP6 on SeeedStudio RP2040
 
** PA11 on Adafruit SAMD21
 
** PA11 on Adafruit SAMD21
 
* SS - AD0
 
* SS - AD0
 
** GP26 on XIAO-RP2040
 
** GP26 on XIAO-RP2040
 +
** GP29 on SeeedStudio RP2040
 
** PA02 on Adafruit SAMD21
 
** PA02 on Adafruit SAMD21
  
Line 113: Line 115:
 
* D6
 
* D6
 
** GP0 on XIAO-RP2040
 
** GP0 on XIAO-RP2040
 +
** GP20 on Adafruit RP2040
 
** PA06 on Adafruit SAMD21
 
** PA06 on Adafruit SAMD21
 
* D7
 
* D7
 
** GP1 on XIAO-RP2040
 
** GP1 on XIAO-RP2040
 
** PA07 on Adafruit SAMD21
 
** PA07 on Adafruit SAMD21
 +
** GP5 on Adafruit RP2040
  
 
=== J5 - I2C ===
 
=== J5 - I2C ===
Line 127: Line 131:
 
* D4
 
* D4
 
** GP6 on XIAO-RP2040
 
** GP6 on XIAO-RP2040
 +
** GP24 on Adafruit RP2040
 
** PA16 on Adafruit SAMD21
 
** PA16 on Adafruit SAMD21
 
* D5
 
* D5
 
** GP7 on XIAO-RP2040
 
** GP7 on XIAO-RP2040
 +
** GP25 on Adafruit RP2040
 
** PA17 on Adafruit SAMD21
 
** PA17 on Adafruit SAMD21
  
Line 137: Line 143:
 
* Analog In 3
 
* Analog In 3
 
* GP29 on XIAO-RP2040
 
* GP29 on XIAO-RP2040
 +
* GP24 on Adafruit RP2040
 
* PA05 on Adafruit SAMD21
 
* PA05 on Adafruit SAMD21
 
* PWM output
 
* PWM output
Line 147: Line 154:
  
 
=== J7 - AD2 ===
 
=== J7 - AD2 ===
 
 
* Digital I/O 2
 
* Digital I/O 2
 
* Analog In 2
 
* Analog In 2
 
* GP28 on XIAO-RP2040
 
* GP28 on XIAO-RP2040
 +
* GP27 on Adafruit RP2040
 
* PA05 on Adafruit SAMD21
 
* PA05 on Adafruit SAMD21
 
* PWM
 
* PWM
Line 165: Line 172:
 
* Analog In 1
 
* Analog In 1
 
* GP27 on XIAO-RP2040
 
* GP27 on XIAO-RP2040
 +
* GP28 on Adafruit RP2040
 
* PA03 on Adafruit SAMD21
 
* PA03 on Adafruit SAMD21
 
* Capacitive touch input
 
* Capacitive touch input
Line 179: Line 187:
 
* Analog In 0
 
* Analog In 0
 
* GP26 on XIAO-RP2040
 
* GP26 on XIAO-RP2040
 +
* GP29 on Adafruit RP2040
 
* PA02 on Adafruit SAMD21
 
* PA02 on Adafruit SAMD21
 
* Slave Select to SD card
 
* Slave Select to SD card

Revision as of 12:07, 12 August 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 either the USB C or DC jack
    • Automatic Schottky diode power switching
      • Can use a regular Silicon Diode with sufficient current ex: 1N400X)
    • 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 (wired to J6-3)
  4. MOSI, S10
  5. MISO, D9
  6. SCK, D8

J3 - SD Card

  • MISO - AD9
    • GP4 on XIAO-RP2040 and SeeedStudio RP2040
    • PA09 on Adafruit SAMD21
  • MOSI - AD10
    • GP3 on XIAO-RP2040 and SeeedStudio RP2040
    • PA10 on Adafruit SAMD21
  • SCK - AD8
    • GP2 on XIAO-RP2040
    • GP6 on SeeedStudio RP2040
    • PA11 on Adafruit SAMD21
  • SS - AD0
    • GP26 on XIAO-RP2040
    • GP29 on SeeedStudio RP2040
    • PA02 on Adafruit SAMD21

J4 - UART

  1. GND
  2. 3.3V
  3. TX, D6
  4. RX, D7
  • D6
    • GP0 on XIAO-RP2040
    • GP20 on Adafruit RP2040
    • PA06 on Adafruit SAMD21
  • D7
    • GP1 on XIAO-RP2040
    • PA07 on Adafruit SAMD21
    • GP5 on Adafruit RP2040

J5 - I2C

  1. GND
  2. 3.3V
  3. D4, SDA
  4. D5, SCL
  • D4
    • GP6 on XIAO-RP2040
    • GP24 on Adafruit RP2040
    • PA16 on Adafruit SAMD21
  • D5
    • GP7 on XIAO-RP2040
    • GP25 on Adafruit RP2040
    • PA17 on Adafruit SAMD21

J6 - AD3

  • Digital I/O 3
  • Analog In 3
  • GP29 on XIAO-RP2040
  • GP24 on Adafruit RP2040
  • PA05 on Adafruit SAMD21
  • PWM output
  • Capacitive touch input
  • Pinout
  1. GND
  2. 3.3V
  3. AD3 (wired to J3-3)

J7 - AD2

  • Digital I/O 2
  • Analog In 2
  • GP28 on XIAO-RP2040
  • GP27 on Adafruit RP2040
  • PA05 on Adafruit SAMD21
  • PWM
  • Capacitive touch input
  • Pinout
  1. GND
  2. 3.3V
  3. AD2

J8 - AD1

  • Digital I/O 1
  • Analog In 1
  • GP27 on XIAO-RP2040
  • GP28 on Adafruit RP2040
  • PA03 on Adafruit SAMD21
  • Capacitive touch input
  • AREF pin
  • Pinout
  1. GND
  2. 3.3V
  3. AD1

J9 - AD0

  • Digital I/O 0
  • Analog In 0
  • GP26 on XIAO-RP2040
  • GP29 on Adafruit RP2040
  • PA02 on Adafruit SAMD21
  • Slave Select to SD card
  • True analog output with 10 bit precision
  • Does not have PWM
  • Capacitive touch input
  • Pinout
  1. GND
  2. 3.3V
  3. AD0

Applications

Sample applications for the QTPy49 card.

SD Card Loader

GPS frequency Standard

Pulse Generator Test Station

PulseGen TestStation P18373-720px.jpg

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