ATmega406 Atmel Corporation, ATmega406 Datasheet - Page 258

• 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

ii
ATmega406
8
9
10 Wake-up Timer ....................................................................................... 49
11 Interrupts ................................................................................................ 51
12 External Interrupts ................................................................................. 56
13 Low Voltage I/O-Ports ............................................................................ 60
14 High Voltage I/O Ports ........................................................................... 75
Power Management and Sleep Modes ................................................. 31
System Control and Reset .................................................................... 39
7.10 Run-Time Clock Source Select ............................................................................28
7.11 Register Description .............................................................................................29
8.1 Idle Mode ................................................................................................................32
8.2 ADC Noise Reduction Mode ..................................................................................32
8.3 Power-save Mode ..................................................................................................32
8.4 Power-down Mode .................................................................................................33
8.5 Power-off Mode ......................................................................................................33
8.6 Power Reduction Register ......................................................................................36
8.7 Minimizing Power Consumption .............................................................................37
9.1 Resetting the AVR ..................................................................................................39
9.2 Reset Sources ........................................................................................................39
9.3 Watchdog Timer .....................................................................................................43
9.4 Register Description ...............................................................................................46
10.1 Overview ..............................................................................................................49
10.2 Register Description .............................................................................................49
11.1 Interrupt Vectors in ATmega406 ..........................................................................51
11.2 Moving Interrupts Between Application and Boot Space .....................................54
11.3 Register Description .............................................................................................55
12.1 Overview ..............................................................................................................56
12.2 Register Description .............................................................................................56
13.1 Introduction ...........................................................................................................60
13.2 Low Voltage Ports as General Digital I/O .............................................................61
13.3 Alternate Port Functions .......................................................................................66
13.4 Register Description .............................................................................................73
14.1 High Voltage Ports as General Digital Outputs ....................................................75
14.2 Configuring the Pin ...............................................................................................76
14.3 Register Description for High Voltage Output Ports .............................................76
2548E–AVR–07/06