ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 20

• Manufacturer Part Number: ATMEGA644P-A15MZ
• Description: MCU AVR 64KB FLASH 16MHZ 44QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644P-A15MZ

• Package / Case: 44-VQFN Exposed Pad
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 32
• Eeprom Size: 2K x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Program Memory Size: 64KB (64K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9. Datasheet Revision History
9.1
9.2
9.3
9.4
20
Rev. 7674D -08/08
Rev. 7674C -05/08
Rev. 7674B -01/08
Rev. 7674A - 04/07
ATmega164P/324P/644P
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
1. Added ADC differential mode electrical characteristics for ATMega164
2. Removed Ramp Z register.
1. VIL reset pin update.
2. Updated EEPROM endurance. See
1. Update to electrical characteristics after product characterization.
1. Initial Automotive revision
2. Insertion of specific § for automative quality references
3. DC and Frequency adapted to Automotive temperature range
4. Part numbering and package selection according to Automotive rules
5. Current Consumption adapted based on Industrial electrical characterization.
page
334.
Section 26.1 on page
”Features” on page
325.
1.
Table 26-10 on
7674DS–AVR–08/08