ATmega1281R231 Atmel Corporation, ATmega1281R231 Datasheet - Page 20

• Manufacturer Part Number: ATmega1281R231
• Manufacturer: Atmel Corporation

Specifications of ATmega1281R231

• Flash (kbytes): 128 Kbytes
• Max. Operating Frequency: 16 MHz
• Max I/o Pins: 54
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Crypto Engine: AES
• Sram (kbytes): 8
• Eeprom (bytes): 4096
• Operating Voltage (vcc): 1.8 to 3.6
• Timers: 6
• Frequency Band: 2.4 GHz
• Max Data Rate (mb/s): 2
• Antenna Diversity: Yes
• External Pa Control: Yes
• Power Output (dbm): 3
• Receiver Sensitivity (dbm): -101
• Receive Current Consumption (ma): 13.2
• Transmit Current Consumption (ma): 14.4
• Link Budget (dbm): 104

9. Ordering Information
9.1
Notes:
2549NS–AVR–05/11
100A
100C1
Speed (MHz)
ATmega640
16
1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information
2.
3. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also
4. Tape & Reel
8
and minimum quantities.
See “Speed Grades” on page 369.
Halide free and fully Green.
(2)
100-lead, Thin (1.0mm) Plastic Gull Wing Quad Flat Package (TQFP)
100-ball, Chip Ball Grid Array (CBGA)
Power Supply
1.8 - 5.5V
2.7 - 5.5V
ATmega640V-8AU
ATmega640V-8AUR
ATmega640V-8CU
ATmega640V-8CUR
ATmega640-16AU
ATmega640-16AUR
ATmega640-16CU
ATmega640-16CUR
Ordering Code
Package Type
(4)
(4)
(4)
(4)
ATmega640/1280/1281/2560/2561
100A
100A
100C1
100C1
100A
100A
100C1
100C1
Package
(1)(3)
Industrial (-40°C to 85°C)
Operation Range
20