AT90PWM81 Atmel Corporation, AT90PWM81 Datasheet - Page 80

• Manufacturer Part Number: AT90PWM81
• Manufacturer: Atmel Corporation

Specifications of AT90PWM81

• Flash (kbytes): 8 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 20
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 3
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.25
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 125
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 1
• Output Compare Channels: 8
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

9.4
9.4.1
9.4.2
9.4.3
9.4.4
9.4.5
9.4.6
9.4.7
80
Register Description for I/O-Ports
AT90PWM81
Port B Data Register – PORTB
Port B Data Direction Register – DDRB
Port B Input Pins Address – PINB
Port D Data Register – PORTD
Port D Data Direction Register – DDRD
Port D Input Pins Address – PIND
Port E Data Register – PORTE
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
7
PORTB7
R/W
0
7
DDB7
R/W
0
7
PINB7
R/W
N/A
7
PORTD7
R/W
0
7
DDD7
R/W
0
7
PIND7
R/W
N/A
7
–
R
0
6
PORTB6
R/W
0
6
DDB6
R/W
0
6
PINB6
R/W
N/A
6
PORTD6
R/W
0
6
DDD6
R/W
0
6
PIND6
R/W
N/A
6
–
R
0
5
PORTB5
R/W
0
5
DDB5
R/W
0
5
PINB5
R/W
N/A
5
PORTD5
R/W
0
5
DDD5
R/W
0
5
PIND5
R/W
N/A
5
–
R
0
4
PORTB4
R/W
0
4
DDB4
R/W
0
4
PINB4
R/W
N/A
4
PORTD4
R/W
0
4
DDD4
R/W
0
4
PIND4
R/W
N/A
4
–
R
0
N/A
N/A
3
PORTB3
R/W
0
3
DDB3
R/W
0
3
PINB3
R/W
3
PORTD3
R/W
0
3
DDD3
R/W
0
3
PIND3
R/W
3
–
R
0
N/A
N/A
2
PORTB2
R/W
0
2
DDB2
R/W
0
2
PINB2
R/W
2
PORTD2
R/W
0
2
DDD2
R/W
0
2
PIND2
R/W
2
PORTE2
R/W
0
1
PORTB1
R/W
0
1
DDB1
R/W
0
1
PINB1
R/W
N/A
1
PORTD1
R/W
0
1
DDD1
R/W
0
1
PIND1
R/W
N/A
1
PORTE1
R/W
0
0
PORTB0
R/W
0
0
DDB0
R/W
0
0
PINB0
R/W
N/A
0
PORTD0
R/W
0
0
DDD0
R/W
0
0
PIND0
R/W
N/A
0
PORTE0
R/W
0
7734P–AVR–08/10
PORTB
DDRB
PINB
PORTD
DDRD
PIND
PORTE