Arduino Ethernet shield R3 with micro SD connector - Assembled

ICSP MOSIICSP header
SPI MOSI connection used by the Ethernet controller and microSD interface through the Arduino ICSP/SPI header. Arduino documentation identifies the Ethernet Shield as communicating over SPI.
Type · spi
ICSP MISOICSP header
SPI MISO connection used by the Ethernet controller and microSD interface through the Arduino ICSP/SPI header.
Type · spi
ICSP SCKICSP header
SPI clock connection used by the Ethernet controller and microSD interface through the Arduino ICSP/SPI header.
Type · spi
D10Arduino digital pin 10
Chip select for the W5100 Ethernet controller on the Arduino Ethernet Shield.
Type · spi
D4Arduino digital pin 4
Chip select for the on-board microSD card interface on the Arduino Ethernet Shield.
Type · spi
5VArduino power header
5V power rail from the host Arduino shield headers.
Type · powerVoltage · 5V
GNDArduino power header
Ground return through the Arduino shield headers.
Type · groundVoltage · 0V
RESETArduino shield reset pin
Reset line passed through the Arduino shield header.
Type · digital io

Pin	Position	Type	Function
ICSP MOSI	ICSP header	spi	SPI MOSI connection used by the Ethernet controller and microSD interface through the Arduino ICSP/SPI header. Arduino documentation identifies the Ethernet Shield as communicating over SPI.
ICSP MISO	ICSP header	spi	SPI MISO connection used by the Ethernet controller and microSD interface through the Arduino ICSP/SPI header.
ICSP SCK	ICSP header	spi	SPI clock connection used by the Ethernet controller and microSD interface through the Arduino ICSP/SPI header.
D10	Arduino digital pin 10	spi

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