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363
7647F–AVR–04/09
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