ATmega406 Atmel Corporation, ATmega406 Datasheet - Page 235

• 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

2548E–AVR–07/06
Figure 31-7. Calibrated 1 MHz RC Oscillator Frequency vs. OSCCAL Value (V
Figure 31-8. Slow RC Oscillator Frequency vs. Temperature (V
156.5
155.5
154.5
153.5
156
155
154
153
2.5
1.5
0.5
CALIBRATED 1 MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
2
1
0
0
-40
16
-30
SLOW RC OSCILLATOR FREQUENCY vs. TEMPERATURE
32
-20
48
-10
64
0
80
96
10
112
OSCCAL (X1)
20
V
Temperature
CC
128
= 3.3 V
30
144
40
160
50
176
60
192
70
208
CC
224
80
= 3.3V)
240
90
256
ATmega406
100
-30 ˚C
85 ˚C
25 ˚C
CC
= 3.3V)
235