ATmega16HVB Atmel Corporation, ATmega16HVB Datasheet - Page 78

• Manufacturer Part Number: ATmega16HVB
• Manufacturer: Atmel Corporation

Specifications of ATmega16HVB

• Flash (kbytes): 16 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 8 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 17
• Ext Interrupts: 15
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 1.9
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 1
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 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: 4
• Input Capture Channels: 2
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

15.4
15.4.1
15.4.2
15.4.3
15.4.4
15.4.5
15.4.6
15.4.7
78
Register description
ATmega16HVB/32HVB
MCUCR – MCU Control Register
PORTA – Port A Data Register
DDRA – Port A Data Direction Register
PINA – Port A Input Pins Address
PORTB – Port B Data Register
DDRB – Port B Data Direction Register
PINB – Port B Input Pins Address
• Bit 4 – PUD: Pull-up disable
When this bit is written to one, the pull-ups in the I/O ports are disabled even if the DDxn and
PORTxn Registers are configured to enable the pull-ups ({DDxn, PORTxn} = 0b01). See
figuring the pin” on page 68
Bit
0x35 (0x55)
Read/Write
Initial Value
Bit
0x02 (0x22)
Read/Write
Initial Value
Bit
0x01 (0x21)
Read/Write
Initial Value
Bit
0x00 (0x20)
Read/Write
Initial Value
Bit
0x05 (0x25)
Read/Write
Initial Value
Bit
0x04 (0x24)
Read/Write
Initial Value
Bit
0x03 (0x23)
Read/Write
Initial Value
PORTB7
PINB7
DDB7
R/W
R/W
N/A
N/A
R
R
R
7
–
0
R
7
–
7
0
7
7
–
0
7
0
R
7
–
0
PORTB6
PINB6
DDB6
R/W
R/W
N/A
N/A
R
R
R
R
6
–
0
6
–
0
6
–
6
0
6
0
6
R
6
–
0
for more details about this feature.
PORTB5
PINB5
DDB5
R/W
R/W
N/A
N/A
5
–
R
0
R
5
–
R
5
0
5
R
5
–
0
5
0
CKOE
R/W
5
0
PORTB4
PINB4
DDB4
R/W
R/W
N/A
N/A
R
R
R
4
–
0
R
4
–
4
0
4
4
–
0
4
0
PUD
R/W
4
0
PORTA3
PORTB3
PINA3
PINB3
DDB3
DDA3
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
3
0
3
0
3
3
0
3
0
3
R
3
–
0
PORTA2
PORTB2
PINA2
PINB2
DDB2
DDA2
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
2
0
2
2
0
2
2
0
2
0
R
2
–
0
PORTA1
PORTB1
PINA1
PINB1
DDB1
DDA1
R/W
R/W
R/W
R/W
R/W
N/A
N/A
IVSEL
R
1
0
1
1
0
1
R/W
1
0
1
0
1
0
PORTA0
PORTB0
PINA0
PINB0
DDB0
DDA0
IVCE
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R/W
R
0
0
0
0
0
0
0
0
0
0
0
0
8042D–AVR–10/11
MCUCR
PORTA
PORTB
DDRB
DDRA
PINA
PINB
”Con-