SD CARD X49

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Tindie-mediums.png

SDCARDX49 P935 cropped-512px.jpg

Features[edit]

  • SD or SDHC card adapter
  • 5V to 3.3V regulator
  • 3.3V to 5V TXS0104E level shifter
  • Activity LED
  • 49 x 49 mm ODAS foprm factor
  • (4) 4-40 mounting holes

Power Options[edit]

Important to properly set up the power option

  • 3.3V Host
    • Wire power to 3.3V position
    • Install Jumper J3
    • Leave 5V in pin open
  • 5V Host
    • Wire Power to 5V
    • Leave 3.3V open
    • Remove Jumper J3

J1 pinout[edit]

  1. GND
  2. MISO
  3. SCLK
  4. MOSI
  5. SPI_SS
  6. CARD_DETECT (no pull-up)
  7. 3.3V in/out
  8. 5V in (for 5V host only)

Lock/Unlock[edit]

  • Set switch to not locked position

Sd-card-not-showing-files-6.jpg

Used with Z80_PSOC card[edit]

  • PSOC Pins
    • MISO - PSOC pin 76
    • MOSI - PSOC pin 77
    • SCLK - PSOC pin 78
    • SPI_SS - PSOC pin 79

Z80_PSOC - H3 Connector[edit]

  1. GND
  2. +5V
  3. SPI_SS - PSOC pin 79
  4. SCLK - PSOC pin 78
  5. MOSI - PSOC pin 77
  6. MISO - PSOC pin 76

Testing[edit]

  • Testing is done using an Arduino at 5V

Hardware[edit]

  • UUT
  • Arduino UNO card
  • FAT32 card with files on it
  • Arduino GVS Sensor Shield

SensorShield.jpg

Test Cabling[edit]

  • USB cable to PC
  • 2x3 Dupont to D13/D12 and D11/D10
  • 8 pin Dupont to SD card
  1. GND
  2. MISO
  3. SCLK
  4. MOSI
  5. SPI_SS
  6. CARD_DETECT (no pull-up)
  7. 3.3V in/out
  8. 5V in (for 5V host only)

Software[edit]

Running[edit]

  • Run Serial Monitor
    • 9600 baud
  • Prints directory to monitor
  • Reset button on sensor shield to re-run

Mounting[edit]

Card Mounted in a Chassis[edit]

X49 Mounted In Chassis 720px.jpg

X49 Mounted In Chassis P742 720px.jpg

Mounted on ODAS Carrier Card[edit]

SDCARDX49 P929 CROPPED-720PX.jpg

Assembly Sheet[edit]

SD_CARD_X49 Assembly Sheet