ATMEGA645-16AI Atmel, ATMEGA645-16AI Datasheet - Page 352

• Manufacturer Part Number: ATMEGA645-16AI
• Description: IC AVR MCU FLASH 64K 5V 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA645-16AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K 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: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

34. Datasheet Revision History
34.1
34.2
34.3
34.4
34.5
2570M–AVR–04/11
Rev. 2570M – 04/11
Rev. 2570L – 08/07
Rev. 2570K – 04/07
Rev. 2570J – 11/06
Rev. 2570I – 07/06
Please note that the referring page numbers in this section are referring to this document. The
referring revision in this section are referring to the document revision.
1.
2.
3.
4.
5.
6.
1.
2.
3.
4.
5.
6.
1.
1.
2.
1.
2.
3.
Removed “Preliminary” from the front page
Removed “Disclaimer” section from the datasheet
Updated
Updated
devices. Removed “AI” and “MI” devices.
Updated
Updated the datasheet according to the Atmel new drand style guide, including
the last page.
Updated
Added
Updated
Updated
Updated
Updated the Register Description at the end of each chapter.
Updated
Updated
Updated note in
Updated
Updated
124,
144.
Updated
Table 16-5 on page
“Data Retention” on page 9
Table 27-5 on page 301 “BODLEVEL Fuse Coding(1)”
“Errata” on page
“Features” on page
“Serial Programming Algorithm” on page
“Speed Grades” on page
“System and Reset Characteristics” on page
“Errata” on page
Table 27-7 on page
Table 14-6 on page
“Fast PWM Mode” on page
Table 14-2 on page
“Ordering Information” on page 343
Table 27-7 on page
125,
350.
350.
1.
304.
92.
97,
Table 17-2 on page 143
Table 14-4 on page
299.
304.
115.
ATmega325/3250/645/6450
to include the “Tape & Reel”
281.
301.
97,
and
Table 16-3 on page
Table 17-4 on page
352