ATMEGA3250P-20AU Atmel, ATMEGA3250P-20AU Datasheet - Page 362

• Manufacturer Part Number: ATMEGA3250P-20AU
• Description: IC MCU AVR 32K FLASH 100-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA3250P-20AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 69
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: SPI/UART/USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 69
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• For Use With: ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK504 - STARTER KIT AVR EXP MOD 100P LCD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATMEGA3250P-16AU; ATMEGA3250P-16AU

vi
ATmega325P/3250P
25 Memory Programming ......................................................................... 271
26 Electrical Characteristics .................................................................... 304
27
28 Register Summary ............................................................................... 342
Typical Characteristics ....................................................................... 314
24.9Register Description ............................................................................................269
25.1Program And Data Memory Lock Bits .................................................................271
25.2Fuse Bits .............................................................................................................272
25.3Signature Bytes ...................................................................................................274
25.4Calibration Byte ...................................................................................................274
25.5Parallel Programming Parameters, Pin Mapping, and Commands .....................274
25.6Parallel Programming ..........................................................................................276
25.7Serial Downloading .............................................................................................285
25.8Programming via the JTAG Interface ..................................................................291
26.1Absolute Maximum Ratings* ...............................................................................304
26.2DC Characteristics ..............................................................................................304
26.3Speed Grades .....................................................................................................306
26.4Clock Characterizations ......................................................................................307
26.5System and Reset Characterizations ..................................................................308
26.6Standard Power-on Reset ...................................................................................308
26.7Enhanced Power-on Reset .................................................................................308
26.8Brown-out Detection ............................................................................................309
26.9SPI Timing Characteristics ..................................................................................310
26.10ADC Characteristics – Preliminary Data ............................................................312
27.1Active Supply Current ..........................................................................................314
27.2Idle Supply Current ..............................................................................................316
27.3Supply Current of I/O modules ............................................................................318
27.4Power-down Supply Current ...............................................................................319
27.5Power-save Supply Current ................................................................................320
27.6Standby Supply Current ......................................................................................321
27.7Pin Pull-up ...........................................................................................................321
27.8Pin Driver Strength ..............................................................................................324
27.9Pin Threshold and Hysteresis .............................................................................330
27.10Internal Oscillator Speed ...................................................................................335
27.11Current Consumption of Peripheral Units ..........................................................337
27.12Current Consumption in Reset and Reset Pulswidth ........................................340
8023F–AVR–07/09