background image

the full SD card specification, see 

sdcard.org

. The connections to the microSD card connector are shown

in the table below.

Table 4-9 microSD Connector Connections

Pin on EXT
connector

Pin name

microSD
card
connector
pin

Comment

-

D2

1

Data line 2 on microSD card

15

D3

2

Data line 3 on microSD card. Active low chip select pin for
microSD card, pulled high through 100kΩ pullup resistor.

16

CMD

3

Command line for microSD card. Connected to SPI_MOSI.

VCC

VDD

4

18

CLK

5

Clock line on microSD card. Connected to SPI_SCK.

GND

GND

6

17

D0

7

Data line 0 on microSD card. Connected to SPI_MISO.

-

D1

8

Data line 1 on microSD card

10

SW_A

9

When a microSD card is put into the connector, SW_A and
SW_B are short-circuited. SW_A is connected to the
microSD_DETECT signal. To use this as a card indicator
remember to enable internal pullup in the target device.

GND

SW_B

10

4.3.5. 

Light Sensor

I/O1 Xplained Pro features a 

TEMT6000

 light sensor from Vishay. The sensor data can be read by an

ADC pin on n Xplained Pro MCU board.

Table 4-10 Light Sensor Connections

Pin on EXT connector

Function

3

Light sensor signal

Atmel I/O1 Xplained Pro [USER GUIDE]

Atmel-42078B-IO1-Xplained-Pro_User Guide-10/2015

11

Содержание I/O1 Xplained Pro

Страница 1: ...extension board to the Atmel Xplained Pro evaluation platform I O1 Xplained Pro is designed to give a wide variety of functionality to Xplained Pro MCU boards including a microSD card a temperature se...

Страница 2: ...l Characteristics 7 4 2 Headers and Connectors 7 4 2 1 I O1 Xplained Pro Extension Header 7 4 2 2 Power Header 8 4 2 3 GPIO Header 8 4 2 4 UART Header 9 4 3 Peripherals 9 4 3 1 LED 9 4 3 2 Low Pass Fi...

Страница 3: ...ication system 1 2 Kit Overview Atmel I O1 Xplained Pro extension board is a generic extension board for the Xplained Pro platform It connects to any Xplained Pro standard extension header on any Xpla...

Страница 4: ...on board Embedded Debugger and therefore no external programmer or debugger tool is needed 2 2 Design Documentation and Relevant Links The following list contains links to the most relevant documents...

Страница 5: ...l Kits extension installed with Atmel Studio will give relevant information code examples and links to relevant documents Table 3 1 Xplained Pro ID Chip Content on page 5 shows the data fields stored...

Страница 6: ...purpose I O 10 SPI_SS_B GPIO Slave select for SPI and or general purpose I O 11 I2C_SDA Data line for I2C interface Always implemented bus type 12 I2C_SCL Clock line for I2C interface Always implemen...

Страница 7: ...age 5 4 2 Headers and Connectors 4 2 1 I O1 Xplained Pro Extension Header I O1 Xplained Pro implements one standard Xplained Pro extension header marked with EXT in silkscreen This header makes it pos...

Страница 8: ...e 4 2 2 Power Header The two pin power header on IO1 Xplained Pro can be used together with the GPIO pins to connect external circuitry or probe the voltage on the board The pins of the header are mar...

Страница 9: ...onnected I O line to GND Table 4 6 LED Connection Pin on EXT connector Silk screen marking 7 LED 4 3 2 Low Pass Filter I O1 Xplained Pro features a first order low pass filter with a cutoff frequency...

Страница 10: ...on lines A2 A1 and A0 of the temperature sensor chip is by default pulled high through 100k resistors which makes the default addresses 0b1001111 and 0b1010111 Soldering the straps on the back of the...

Страница 11: ...Connected to SPI_SCK GND GND 6 17 D0 7 Data line 0 on microSD card Connected to SPI_MISO D1 8 Data line 1 on microSD card 10 SW_A 9 When a microSD card is put into the connector SW_A and SW_B are sho...

Страница 12: ...extension boards will also appear in the Atmel Kit s window The same information can be found on the sticker on the bottom side of the PCB Most kits will print the identifier and revision in plain tex...

Страница 13: ...evision History Doc rev Date Comment 42078B 10 2015 Added electrical characteristics 42078A 02 2013 Initial document release Atmel I O1 Xplained Pro USER GUIDE Atmel 42078B IO1 Xplained Pro_User Guide...

Страница 14: ...ng of the goods Further the user indemnifies Atmel from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any...

Страница 15: ...INFORMATION ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Atmel makes no representations or warranties with respect to the...

Страница 16: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Atmel ATIO1 XPRO...

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