ATMEGA8535L-8AUR Atmel, ATMEGA8535L-8AUR Datasheet - Page 60
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ATMEGA8535L-8AUR
Manufacturer Part Number
ATMEGA8535L-8AUR
Description
MCU AVR 8K FLASH 8MHZ 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA8535L-8AU.pdf
(321 pages)
Specifications of ATMEGA8535L-8AUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
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Price
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Alternate Functions Of Port B
60
ATmega8535(L)
Table 25. Overriding Signals for Alternate Functions in PA3..PA0
The Port B pins with alternate functions are shown in Table 26.
Table 26. Port B Pins Alternate Functions
The alternate pin configuration is as follows:
• SCK – Port B, Bit 7
SCK: Master Clock output, Slave Clock input pin for SPI channel. When the SPI is
enabled as a Slave, this pin is configured as an input regardless of the setting of DDB7.
When the SPI is enabled as a Master, the data direction of this pin is controlled by
DDB7. When the pin is forced by the SPI to be an input, the pull-up can still be con-
trolled by the PORTB7 bit.
• MISO – Port B, Bit 6
MISO: Master Data input, Slave Data output pin for SPI channel. When the SPI is
enabled as a Master, this pin is configured as an input regardless of the setting of
DDB6. When the SPI is enabled as a Slave, the data direction of this pin is controlled by
DDB6. When the pin is forced by the SPI to be an input, the pull-up can still be con-
trolled by the PORTB6 bit.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Port Pin
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
Alternate Functions
SCK (SPI Bus Serial Clock)
MISO (SPI Bus Master Input/Slave Output)
MOSI (SPI Bus Master Output/Slave Input)
SS (SPI Slave Select Input)
AIN1 (Analog Comparator Negative Input)
OC0 (Timer/Counter0 Output Compare Match Output)
AIN0 (Analog Comparator Positive Input)
INT2 (External Interrupt 2 Input)
T1 (Timer/Counter1 External Counter Input)
T0 (Timer/Counter0 External Counter Input)
XCK (USART External Clock Input/Output)
PA3/ADC3
0
0
0
0
0
0
0
0
–
ADC3 INPUT
PA2/ADC2
0
0
0
0
0
0
0
0
–
ADC2 INPUT
PA1/ADC1
0
0
0
0
0
0
0
0
–
ADC1 INPUT
PA0/ADC0
0
0
0
0
0
0
0
0
–
ADC0 INPUT
2502K–AVR–10/06
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