Datasheet
vi
8021G–AVR–03/11
ATmega329P/3290P
26.4Read-While-Write and No Read-While-Write Flash Sections ..............................282
26.5Boot Loader Lock Bits .........................................................................................284
26.6Entering the Boot Loader Program ......................................................................286
26.7Addressing the Flash During Self-Programming .................................................286
26.8Self-Programming the Flash ................................................................................287
26.9Register Description ............................................................................................294
27 Memory Programming ......................................................................... 296
27.1Program And Data Memory Lock Bits .................................................................296
27.2Fuse Bits .............................................................................................................297
27.3Signature Bytes ...................................................................................................299
27.4Calibration Byte ...................................................................................................299
27.5Page Size ............................................................................................................299
27.6Parallel Programming Parameters, Pin Mapping, and Commands .....................299
27.7Parallel Programming ..........................................................................................302
27.8Programming via the JTAG Interface ..................................................................317
28 Electrical Characteristics .................................................................... 330
28.1Absolute Maximum Ratings* ...............................................................................330
28.2DC Characteristics ..............................................................................................330
28.3Speed Grades .....................................................................................................333
28.4Clock Characteristics ...........................................................................................335
28.5System and Reset Characteristics ......................................................................336
28.6Standard Power-on Reset ...................................................................................336
28.7Enhanced Power-on Reset .................................................................................337
28.8Brown-out Detection ............................................................................................337
28.9SPI Timing Characteristics ..................................................................................338
28.10ADC Characteristics – Preliminary Data ............................................................340
28.11LCD Controller Characteristics ..........................................................................341
29 Typical Characteristics ........................................................................ 342
29.1ATmega329P ......................................................................................................343
29.2ATmega3290P ....................................................................................................373
30 Register Summary ............................................................................... 403
31 Instruction Set Summary .................................................................... 407
32 Ordering Information ........................................................................... 410
32.1ATmega329P ......................................................................................................410