ATMEGA8A-MUR Atmel, ATMEGA8A-MUR Datasheet - Page 60
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ATMEGA8A-MUR
Manufacturer Part Number
ATMEGA8A-MUR
Description
MCU AVR 8KB FLASH 16MHZ 32QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA8A-MU.pdf
(308 pages)
Specifications of ATMEGA8A-MUR
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
23
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K 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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8159D–AVR–02/11
Table 12-3.
Notes:
Table 12-4.
Signal
Name
PUOE
PUO
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUO
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
1. INTRC means that the internal RC Oscillator is selected (by the CKSEL Fuse).
2. EXT means that the external RC Oscillator or an external clock is selected (by the CKSEL
PB7/XTAL2/
TOSC2
EXT • (INTRC +
AS2)
0
EXT • (INTRC +
AS2)
0
0
0
EXT • (INTRC +
AS2)
0
–
Oscillator Output
Fuse).
PB3/MOSI/OC2
SPE • MSTR
PORTB3 • PUD
SPE • MSTR
0
SPE • MSTR +
OC2 ENABLE
SPI MSTR OUTPUT + OC2
0
0
SPI SLAVE INPUT
–
Overriding Signals for Alternate Functions in PB7:PB4
Overriding Signals for Alternate Functions in PB3:PB0
(1)(2)
PB6/XTAL1/
TOSC1
INTRC + AS2
0
INTRC + AS2
0
0
0
INTRC + AS2
0
–
Oscillator/Clock Input
(1)
PB2/SS/OC1B
SPE • MSTR
PORTB2 • PUD
SPE • MSTR
0
OC1B ENABLE
OC1B
0
0
SPI SS
–
PB5/SCK
SPE • MSTR
PORTB5 • PUD
SPE • MSTR
0
SPE • MSTR
SCK OUTPUT
0
0
SCK INPUT
–
PB1/OC1A
0
0
0
0
OC1A ENABLE
OC1A
0
0
–
–
PB4/MISO
SPE • MSTR
PORTB4 • PUD
SPE • MSTR
0
SPE • MSTR
SPI SLAVE OUTPUT
0
0
SPI MSTR INPUT
–
ATmega8A
PB0/ICP1
0
0
0
0
0
0
0
0
ICP1 INPUT
–
60
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