Attiny43u – Rainbow Electronics ATtiny43U User Manual
Page 180
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8048B–AVR–03/09
ATtiny43U
debugWIRE On-chip Debug System .................................................. 131
Self-Programming the Flash ............................................................... 133
Performing Page Erase by SPM ....................................................................133
Filling the Temporary Buffer (Page Loading) .................................................133
Addressing the Flash During Self-Programming ...........................................134
EEPROM Write Prevents Writing to SPMCSR ..............................................135
Reading the Fuse and Lock Bits from Software ............................................135
Programming Time for Flash when Using SPM ............................................137
Memory Programming ......................................................................... 139
Program And Data Memory Lock Bits ...........................................................139
Parallel Programming Parameters, Pin Mapping, and Commands ...............142
Electrical Characteristics .................................................................... 155
20.5
System and Reset Characteristics ................................................................158