SPI (Serial Peripheral Interface) . , , , / , FLASH - AVR.
, SPI .
TWI
TWI (Two - wire Serial Interface) I2C ( ) Philips. ' 128 , (SCL) (SDA).
JTAG
JTAG (Joint Test Action Group) IEEE Std 1149.1-1990. JTAG , , .
Mega IEEE Std 1149.1 JTAG debugWIRE . , Mega - ' 16 JTAG.
. AVR ( , , RC-). ̳ ( ). Atmel , AVR- , , 10 " " 12 .
(RTC)
RTC Mega " classic " - AT90 (L) S8535. / RTC , , ( ). . " " 32,768 .
AVR 1,8 6,0 . , , 1 500 , 5... 6 5 8... 9 12 .
AVR .
(IDLE). ' , , , . 2,5 12 .
(POWER DOWN). , , , , , . 80 , - 1 . ( 5 ).