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Table 1 Comparison of several MCU

From: An advanced physiological data logger for medical imaging applications

 

Clock (MHz)

SRAM (kB)

Hardware SPI

Hardware USART

Core power (mW)

Unit price (USD)

PIC (PIC16F1947) [19]

32

1

2

2

11.8

$3.20

ARM Cortex M3 (LPC1316FBD48) [20]

25a

8

2

1

13.2

$4.50

AVR (ATMEGA644P) [18]

20

4

1

2

87.5

$7.39

XMEGA-A1 (ATXMEGA128A1) [18]

32

8

4

8

66

$10.20

  1. acan be increased using PLL up to 72 MHz.