ATmega406 Atmel Corporation, ATmega406 Datasheet - Page 227

• Manufacturer Part Number: ATmega406
• Manufacturer: Atmel Corporation

Specifications of ATmega406

• Flash (kbytes): 40 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 1 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 18
• Ext Interrupts: 4
• Usb Speed: No
• Usb Interface: No
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 12
• Adc Speed (ksps): 1.9
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 2
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -30 to 85
• I/o Supply Class: 4.0 to 25
• Operating Voltage (vcc): 4.0 to 25
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 3
• Pwm Channels: 2
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

DC Characteristics, T
Notes:
2548E–AVR–07/06
Slow RC
Oscillator
Ultra Low Power
RC Oscillator
1. Voltage Regulator performance is based on 1 µF smooth capacitor.
2. After VREF calibration at second temperature. By default the first calibration is performed at 85 °C in Atmel factory test. The
3. The measured VPTAT voltage must be scaled with the calibration value stored in the VPTAT Calibration Register to get the
4. This value is not tested in production.
5. After system offset compensation in software.
6. After software gain error compensation.
7. This value should be measured at system level and stored in EEPROM for software offset compensation.
second calibration step can easily be implemented in a standard test flow at room temperature.
absolute temperature. The design target accuracy for this parameter assumes an exact calibration temperature. Actual
accuracy of this parameter after calibration in Atmel factory test remains to be determined.
Parameter
Frequency
Temperature Drift
Frequency
Temperature Drift
A
= -30°C to 85°C, V
CC
= 3.3V (Continued)
Condition
T
T
A
A
= - 30 – 85°C
= - 30 – 85°C
Min
Typ
165
124
5
8
ATmega406
Max
Unit
kHz
kHz
%
%
227