ATMEGA8HVA-4TU Atmel, ATMEGA8HVA-4TU Datasheet - Page 45
ATMEGA8HVA-4TU
Manufacturer Part Number
ATMEGA8HVA-4TU
Description
MCU AVR 8K FLASH 4MHZ 28-TSOP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16HVA-4CKU.pdf
(196 pages)
Specifications of ATMEGA8HVA-4TU
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
7
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 9 V
Data Converters
A/D 5x12b
Oscillator Type
External
Operating Temperature
-20°C ~ 85°C
Package / Case
28-TSOP
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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11.2.5
8024A–AVR–04/08
Black-out Detection
The BOD is automatically enabled in all modes of operation, except in Power-off mode.
When the BOD is enabled, and V
ure
level (V
expired.
Figure 11-5. Brown-out Reset During Operation
As an extra security feature, the chip will automatically enter Power-off if V
V
BLOT
11-5), the Brown-out Reset is immediately activated. When V
. V
BOT+
INTERNAL
TIME-OUT
BLOT
RESET
RESET
in
will always be well below the BOD level, V
V
Figure
CC
11-5), the delay counter starts the MCU after the Time-out period t
REG
V
BOT-
decreases to a value below the trigger level (V
ATmega8HVA/16HVA
BOT
.
V
REG
t
TOUT
BOT+
increases above the trigger
REG
drops below
BOT-
TOUT
in
Fig-
has
45
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