Atmel ATmega328P Xplained Mini MEGA328P-XMINI MEGA328P-XMINI Data Sheet
Product codes
MEGA328P-XMINI
275
ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]
Atmel-8271H-AVR- ATmega-Datasheet_08/2014
;
check for previous SPM complete
Wait_spm:
in
temp1, SPMCSR
sbrc
temp1, SPMEN
rjmp
Wait_spm
;
input: spmcrval determines SPM action
;
disable interrupts if enabled, store status
in
temp2, SREG
cli
;
check that no EEPROM write access is present
Wait_ee:
sbic
EECR, EEPE
rjmp
Wait_ee
;
SPM timed sequence
out
SPMCSR, spmcrval
spm
;
restore SREG (to enable interrupts if originally enabled)
out
SREG, temp2
ret