SD CARD X49
Contents
Features
- 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
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
- GND
- MISO
- SCLK
- MOSI
- SPI_SS
- CARD_DETECT (no pull-up)
- 3.3V in/out
- 5V in (for 5V host only)
Lock/Unlock
- Set switch to not locked position
Used with Z80_PSOC card
- PSOC Pins
- MISO - PSOC pin 76
- MOSI - PSOC pin 77
- SCLK - PSOC pin 78
- SPI_SS - PSOC pin 79
Z80_PSOC - H3 Connector
- GND
- +5V
- SPI_SS - PSOC pin 79
- SCLK - PSOC pin 78
- MOSI - PSOC pin 77
- MISO - PSOC pin 76
Testing
- Testing is done using an Arduino at 5V
Hardware
- UUT
- Arduino UNO card
- FAT32 card with files on it
- Arduino Sensor Shield v4.0
- GVS connections
Test Cabling
- USB cable to PC
- Cable from Arduino Sensor Shield to UUT
- 2x3 Dupont to D13/D12 and D11/D10
- 8 pin Dupont to SD card
Signal Name | SD Card pin | Color | Sensor Shield pin |
---|---|---|---|
GND | 1 | Green | D13 GND |
MISO | 2 | Violet | D12 |
SCLK | 3 | Grey | D13 |
MOSI | 4 | Brown | D11 |
SPI_SS | 5 | Yellow | D10 |
CARD_DETECT (no pull-up) | 6 | None | N/A |
3.3V in/out | 7 | None | N/A |
5V in (for 5V host only) | 8 | Orange | D13 VCC |
Software
Running
- Run Serial Monitor
- 9600 baud
- Prints directory to monitor
- Reset button on sensor shield to re-run