ATMEGA8L-8AUR Atmel, ATMEGA8L-8AUR Datasheet - Page 38
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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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38
ATmega8(L)
Figure 14. Reset Logic
Table 15. Reset Characteristics
Notes:
Symbol
V
V
V
V
t
t
BOD
RST
HYST
POT
RST
BOT
1. The Power-on Reset will not work unless the supply voltage has been below V
2. V
BODLEVEL
this is the case, the device is tested down to V
antees that a Brown-out Reset will occur before V
operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 1 for ATmega8L and BODLEVEL = 0 for ATmega8. BODLEVEL = 1 is not appli-
cable for ATmega8
Parameter
Power-on Reset Threshold
Voltage (rising)
Power-on Reset Threshold
Voltage (falling)
RESET Pin Threshold Voltage
Minimum pulse width on
RESET Pin
Brown-out Reset Threshold
Voltage
Minimum low voltage period for
Brown-out Detection
Brown-out Detector hysteresis
BODEN
BOT
may be below nominal minimum operating voltage for some devices. For devices where
(2)
Pull-up Resistor
FILTER
SPIKE
(1)
CKSEL[3:0]
Reset Circuit
SUT[1:0]
Brown-Out
Watchdog
Oscillator
Generator
Clock
BODLEVEL = 1
BODLEVEL = 0
BODLEVEL = 1
BODLEVEL = 0
Condition
CK
MCU Control and Status
Register (MCUCSR)
DATA BUS
CC
Delay Counters
= V
BOT
Min
0.2
2.4
3.7
CC
during the production test. This guar-
drops to a voltage where correct
Typ
130
1.4
1.3
2.6
4.0
2
2
TIMEOUT
Max
2.3
2.3
0.9
1.5
2.9
4.5
Units
POT
V
mV
2486Z–AVR–02/11
µs
µs
V
V
CC
(falling)
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