atmega3250v-8auatmega325v-8ai ATMEL Corporation, atmega3250v-8auatmega325v-8ai Datasheet - Page 360

• Manufacturer Part Number: atmega3250v-8auatmega325v-8ai
• Description: Atmega3250 8-bit Microcontroller With In-system Programmable Flash
• Manufacturer: ATMEL Corporation

27 Memory Programming ......................................................................... 264
28 Electrical Characteristics .................................................................... 296
29
30 Register Summary ............................................................................... 336
31 Instruction Set Summary ..................................................................... 340
vi
Typical Characteristics ....................................................................... 305
26.9
27.1
27.2
27.3
27.4
27.5
27.6
27.7
27.8
28.1
28.2
28.3
28.4
28.5
28.6
28.7
29.1
29.2
29.3
29.4
29.5
29.6
29.7
29.8
29.9
29.10
29.11
29.12
29.13
ATmega325/3250/645/6450
Register Description ......................................................................................262
Program And Data Memory Lock Bits ...........................................................264
Fuse Bits ........................................................................................................265
Signature Bytes .............................................................................................267
Calibration Byte .............................................................................................267
Parallel Programming Parameters, Pin Mapping, and Commands ...............267
Parallel Programming ....................................................................................270
Serial Downloading ........................................................................................279
Programming via the JTAG Interface ............................................................283
Absolute Maximum Ratings* .........................................................................296
DC Characteristics .........................................................................................296
Speed Grades ...............................................................................................298
Clock Characteristics .....................................................................................299
System and Reset Characteristics ................................................................300
SPI Timing Characteristics ............................................................................301
ADC ...............................................................................................................303
Active Supply Current ....................................................................................305
Idle Supply Current ........................................................................................308
Supply Current of I/O modules ......................................................................310
Power-down Supply Current ..........................................................................311
Power-save Supply Current ...........................................................................312
Standby Supply Current ................................................................................313
Pin Pull-up .....................................................................................................313
Pin Driver Strength ........................................................................................316
Pin Thresholds and hysteresis ......................................................................322
BOD Thresholds and Analog Comparator Offset ..........................................325
Internal Oscillator Speed ...............................................................................328
Current Consumption of Peripheral Units ......................................................330
Current Consumption in Reset and Reset Pulsewidth ..................................334
2570L–AVR–08/07