ATMEGA8535-16MI Atmel, ATMEGA8535-16MI Datasheet - Page 66
![IC AVR MCU 8K 16MHZ IND 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA8535-16MI
Manufacturer Part Number
ATMEGA8535-16MI
Description
IC AVR MCU 8K 16MHZ IND 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA8535-16MI
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
4.5 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
For Use With
ATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 66 of 321
- Download datasheet (3Mb)
Register Description for
I/O-Ports
Port A Data Register – PORTA
Port A Data Direction Register
– DDRA
Port A Input Pins Address –
PINA
Port B Data Register – PORTB
Port B Data Direction Register
– DDRB
66
ATmega8535(L)
Table 34. Overriding Signals for Alternate Functions in PD3..PD0
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
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
PORTA7
PORTB7
PINA7
DDA7
DDB7
R/W
R/W
R/W
N/A
R/W
R
7
0
7
0
7
7
0
7
0
PD3/INT1
0
0
0
0
0
0
INT1 ENABLE
1
INT1 INPUT
–
PORTB6
PORTA6
PINA6
DDB6
DDA6
R/W
R/W
R/W
N/A
R/W
R
6
0
6
0
6
6
0
6
0
PORTB5
PORTA5
PINA5
DDA5
DDB5
R/W
R/W
R/W
R/W
N/A
5
0
5
0
5
R
5
0
5
0
PD2/INT0
0
0
0
0
0
0
INT0 ENABLE
1
INT0 INPUT
–
PORTA4
PORTB4
PINA4
DDA4
DDB4
R/W
R/W
R/W
R/W
N/A
R
4
0
4
0
4
4
0
4
0
PORTA3
PORTB3
PINA3
DDB3
DDA3
R/W
R/W
R/W
N/A
R/W
R
3
0
3
0
3
3
0
3
0
PORTB2
PORTA2
PINA2
DDA2
DDB2
PD1/TXD
TXEN
0
TXEN
1
TXEN
TXD
0
0
–
–
R/W
R/W
R/W
R/W
N/A
R
2
0
2
0
2
2
0
2
0
PORTA1
PORTB1
PINA1
DDA1
DDB1
R/W
R/W
R/W
R/W
N/A
R
1
0
1
0
1
1
0
1
0
PD0/RXD
RXEN
PORTD0 • PUD
RXEN
0
0
0
0
0
RXD
–
PORTA0
PORTB0
PINA0
DDA0
DDB0
R/W
R/W
R/W
R/W
N/A
R
2502K–AVR–10/06
0
0
0
0
0
0
0
0
0
PORTB
PORTA
DDRA
DDRB
PINA
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