ATmega406 Atmel Corporation, ATmega406 Datasheet - Page 74

• 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

13.4.5
13.4.6
13.4.7
13.4.8
13.4.9
13.4.10
74
ATmega406
PORTB – Port B Data Register
DDRB – Port B Data Direction Register
PINB – Port B Input Pins Address
PORTD – Port D Data Register
DDRD – Port D Data Direction Register
PIND – Port D Input Pins Address
Bit
0x05 (0x25)
Read/Write
Initial Value
Bit
0x04 (0x24)
Read/Write
Initial Value
Bit
0x03 (0x23)
Read/Write
Initial Value
Bit
0x0B (0x2B)
Read/Write
Initial Value
Bit
0x0A (0x2A)
Read/Write
Initial Value
Bit
0x09 (0x29)
Read/Write
Initial Value
PORTB7
PINB7
DDB7
R/W
R/W
N/A
R
R
R
R
7
0
7
0
7
7
–
0
7
–
0
7
–
0
PORTB6
PINB6
DDB6
R/W
R/W
N/A
R
R
R
R
6
0
6
0
6
6
–
0
6
–
0
6
–
0
PORTB5
PINB5
DDB5
R/W
R/W
N/A
R
R
R
R
5
0
5
0
5
5
–
0
5
–
0
5
–
0
PORTB4
PINB4
DDB4
R/W
R/W
N/A
R
R
R
R
4
0
4
0
4
4
–
0
4
–
0
4
–
0
PORTB3
PINB3
DDB3
R/W
R/W
N/A
R
R
R
R
3
0
3
0
3
3
–
0
3
–
0
3
–
0
PORTB2
PINB2
DDB2
R/W
R/W
N/A
R
R
R
R
2
0
2
0
2
2
–
0
2
–
0
2
–
0
PORTB1
PORTD1
PINB1
PIND1
DDB1
DDD1
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
1
0
1
0
1
1
0
1
0
1
PORTB0
PORTD0
PINB0
PIND0
DDB0
DDD0
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
0
0
0
0
0
0
0
0
0
0
2548E–AVR–07/06
PORTB
PORTD
DDRB
DDRD
PINB
PIND