ATMEGA8L-8AUR Atmel, ATMEGA8L-8AUR Datasheet - Page 36
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ATMEGA8L-8AUR
Manufacturer Part Number
ATMEGA8L-8AUR
Description
MCU AVR 8KB FLASH 8MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA8L-8MU.pdf
(302 pages)
Specifications of ATMEGA8L-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
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
*
Package
32TQFP
Device Core
AVR
Family Name
ATmega
Maximum Speed
8 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
23
Interface Type
SPI/TWI/USART
On-chip Adc
8-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA8L-8AUR
Manufacturer:
Atmel
Quantity:
3 915
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Brown-out Detector
Internal Voltage
Reference
Watchdog Timer
Port Pins
36
ATmega8(L)
If the Brown-out Detector is not needed in the application, this module should be turned off. If the
Brown-out Detector is enabled by the BODEN Fuse, it will be enabled in all sleep modes, and
hence, always consume power. In the deeper sleep modes, this will contribute significantly to
the total current consumption. Refer to
configure the Brown-out Detector.
The Internal Voltage Reference will be enabled when needed by the Brown-out Detector, the
Analog Comparator or the ADC. If these modules are disabled as described in the sections
above, the internal voltage reference will be disabled and it will not be consuming power. When
turned on again, the user must allow the reference to start up before the output is used. If the
reference is kept on in sleep mode, the output can be used immediately. Refer to
age Reference” on page 42
If the Watchdog Timer is not needed in the application, this module should be turned off. If the
Watchdog Timer is enabled, it will be enabled in all sleep modes, and hence, always consume
power. In the deeper sleep modes, this will contribute significantly to the total current consump-
tion. Refer to
When entering a sleep mode, all port pins should be configured to use minimum power. The
most important thing is then to ensure that no pins drive resistive loads. In sleep modes where
the both the I/O clock (clk
device will be disabled. This ensures that no power is consumed by the input logic when not
needed. In some cases, the input logic is needed for detecting wake-up conditions, and it will
then be enabled. Refer to the section
details on which pins are enabled. If the input buffer is enabled and the input signal is left floating
or have an analog signal level close to V
“Watchdog Timer” on page 43
I/O
for details on the start-up time.
) and the ADC clock (clk
“Digital Input Enable and Sleep Modes” on page 55
“Brown-out Detection” on page 40
CC
/2, the input buffer will use excessive power.
for details on how to configure the Watchdog Timer.
ADC
) are stopped, the input buffers of the
for details on how to
“Internal Volt-
2486Z–AVR–02/11
for
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