ATmega325PA Atmel Corporation, ATmega325PA Datasheet - Page 677

• Manufacturer Part Number: ATmega325PA
• Manufacturer: Atmel Corporation

8285D–AVR–06/11
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
27 Memory Programming ......................................................................... 283
28 Electrical Characteristics .................................................................... 317
29 Typical Characteristics ........................................................................ 332
26.4Read-While-Write and No Read-While-Write Flash Sections ..............................267
26.5Boot Loader Lock Bits .........................................................................................270
26.6Entering the Boot Loader Program ......................................................................271
26.7Addressing the Flash During Self-Programming .................................................272
26.8Self-Programming the Flash ................................................................................273
26.9Register Description ............................................................................................281
27.1Program And Data Memory Lock Bits .................................................................283
27.2Fuse Bits .............................................................................................................284
27.3Signature Bytes ...................................................................................................286
27.4Calibration Byte ...................................................................................................286
27.5Page Size ............................................................................................................286
27.6Parallel Programming Parameters, Pin Mapping, and Commands .....................287
27.7Parallel Programming ..........................................................................................289
27.8Serial Downloading .............................................................................................298
27.9Programming via the JTAG Interface ..................................................................304
28.1Absolute Maximum Ratings* ...............................................................................317
28.2DC Characteristics ..............................................................................................317
28.3Speed Grades .....................................................................................................324
28.4Clock Characteristics ...........................................................................................325
28.5System and Reset Characteristics ......................................................................326
28.6Power-on Reset ...................................................................................................326
28.7Brown-out Detection ............................................................................................327
28.8External Interrupts Characteristics ......................................................................327
28.9SPI Timing Characteristics ..................................................................................328
28.10ADC Characteristics .........................................................................................330
29.1ATmega165A ......................................................................................................332
29.2ATmega165PA ....................................................................................................365
29.3ATmega325A ......................................................................................................397
29.4ATmega325PA ....................................................................................................428
29.5ATmega3250A ....................................................................................................459
29.6ATmega3250PA ..................................................................................................490
29.7ATmega645A ......................................................................................................521
vi