ATMEGA16HVA-4CKU Atmel, ATMEGA16HVA-4CKU Datasheet - Page 73

• Manufacturer Part Number: ATMEGA16HVA-4CKU
• Description: MCU AVR 16K FLASH 4MHZ 36-LGA
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA16HVA-4CKU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 7
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 9 V
• Data Converters: A/D 5x12b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 36-LGA
• Processor Series: ATMEGA16x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SPI
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 6
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRSB200, ATAVRSB201
• Minimum Operating Temperature: - 20 C
• On-chip Adc: 12 bit, 5 Channel
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

15.4
15.4.1
15.4.2
15.4.3
15.4.4
15.4.5
15.4.6
15.4.7
8024A–AVR–04/08
Register Description
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 64
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
N/A
N/A
7
R
0
7
R
0
7
R
7
R
0
7
R
0
7
R
-
-
-
-
-
-
R
7
–
0
N/A
N/A
6
R
0
6
R
0
6
R
6
R
0
6
R
0
6
R
-
-
-
-
-
-
R
6
–
0
for more details about this feature.
N/A
N/A
R
R
R
R
R
R
5
0
5
0
5
5
0
5
0
5
-
-
-
-
-
-
CKOE
R/W
5
0
N/A
N/A
R
R
R
R
R
R
4
0
4
0
4
4
0
4
0
4
-
-
-
-
-
-
PUD
R/W
PORTB3
4
0
PINB3
DDB3
R/W
R/W
N/A
N/A
R
R
R
R
3
0
3
0
3
3
0
3
0
3
-
-
-
ATmega8HVA/16HVA
PORTB2
PINB2
DDB2
R
3
–
0
R/W
R/W
N/A
N/A
R/
R
R
R
2
0
2
0
2
2
0
2
0
2
-
-
-
PORTB1
PORTA1
PINA1
PINB1
DDA1
DDB1
R
R/W
R/W
R/W
R/W
R/W
2
–
0
N/A
N/A
R
1
0
1
0
1
1
0
1
0
1
PORTB0
PORTA0
R/W
PINA0
PINB0
DDA0
DDB0
R/W
R/W
R/W
R/W
R/W
1
–
0
N/A
N/A
R
0
0
0
0
0
0
0
0
0
0
PORTA
R/W
PORTB
DDRA
DDRB
PINA
PINB
0
–
0
MCUCR
”Con-
73