SPH:SPL = SPH:SPL + 1.
2. , (SPH:SPL) → .
, , , , , .
/, . 3.2, AVR-. / SREG, MCUSR SPH:SPL, , , EEPROM , , / . .
/ IN, OUT (. ). /, $00 $1F ( $ ), . SBI CBI (. ). , / SREG, . - , /.
, / , . 3.3, , 32 / , SRAM ( ).
. 3.3 . 32 ($0$1F) . 64 ($20$5F) /. SRAM AVR $60.
, / . IN, OUT, SBI, CBI, SBIC, SBIS, /, ( ). / , AVR. , $20 /.
, / 64 . , .
|
|
, AVR / . , , /, , ( .INCLUDE) /.
/ .inc. ATMEL . /. / SRAM, $20.
, FLASH- EEPROM- , .
AVR 16- , FLASH- 16- 512 64 K .
FLASH- , . , , . . FLASH- LPM, ELPM (. ).
. $0000 , . $0001, . , ( ) RJMP (. 3.3). , AVR . , /, , inc-.
EEPROM- AVR , . , , . . EEPROM- , . EEPROM- . EEPROM / EEAR ( ), EEDR ( ) EECR ( ).