EURASIP Journal on Embedded Systems

Table 2 Comparison of different permanent memory storage device

From: An advanced physiological data logger for medical imaging applications

	EEPROM				Micro SD
	Parallel	Serial
	Parallel	I2C	SPI	3 WIRE
Capacity	512 kB	64 kB	64 kB	2 kB	2 GB^a
Clock (MHz)	5	0.4	20	2	25^b
Pins required	30	2	4	4	4
Error correction	No	No	No	No	Yes

^aMaximum capacity for FAT16 file-system for a single SD.
^bIn standard SPI mode.

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