365
7647H–AVR–03/12
Atmel ATmega16/32/64/M1/C1
24.7 Self-Programming the Flash .......................................................................286
25 Memory Programming .......................................................................296
25.1 Program And Data Memory Lock Bits ........................................................296
25.2 Fuse Bits .....................................................................................................297
25.3 PSC Output Behavior During Reset ...........................................................298
25.4 Signature Bytes ..........................................................................................300
25.5 Calibration Byte ..........................................................................................301
25.6 Parallel Programming Parameters, Pin Mapping, and Commands ............301
25.7 Serial Programming Pin Mapping ...............................................................304
25.8 Parallel Programming .................................................................................304
25.9 Serial Downloading .....................................................................................313
26 Electrical Characteristics ..................................................................317
26.1 Absolute Maximum Ratings* ......................................................................317
26.2 DC Characteristics ......................................................................................317
26.3 Clock Characteristics ..................................................................................319
26.4 External Clock Drive Characteristics ..........................................................319
26.5 Maximum Speed vs. V
CC
............................................................................320
26.6 PLL Characteristics ....................................................................................320
26.7 SPI Timing Characteristics .........................................................................321
26.8 ADC Characteristics ...................................................................................322
26.9 Parallel Programming Characteristics ........................................................324
27 ATmega16/32/64/M1/C1 Typical Characteristics............................. 327
27.1 Active Supply Current .................................................................................328
27.2 Idle Supply Current .....................................................................................330
27.3 Power-Down Supply Current ......................................................................332
27.4 Pin Pull-up ..................................................................................................333
27.5 Pin Driver Strength .....................................................................................335
27.6 Pin Thresholds and Hysteresis ...................................................................337
27.7 BOD Thresholds and Analog Comparator Hysterisis .................................340
27.8 Analog Reference .......................................................................................342
27.9 Internal Oscillator Speed ............................................................................342
28 Instruction Set Summary ..................................................................344
29 Register Summary .............................................................................347
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