Rev. 5.00, 09/03, page 224 of 760
Short refresh cycle control
The overflow interrupt function of the refresh counter enables the refresh function
immediately after a self-refresh operation using low p ower-consumption DRAM
The refresh counter can be us ed as an interv al timer
Outputs an interrupt re quest signal using the compare-match functio n
Outputs an int errupt request s i gnal when the refresh counter overf l ow s