ATMEGA165PV-8ANR Atmel, ATMEGA165PV-8ANR Datasheet - Page 46
![IC MCU AVR 16K 8MHZ 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA165PV-8ANR
Manufacturer Part Number
ATMEGA165PV-8ANR
Description
IC MCU AVR 16K 8MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA165PV-8ANR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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9.2.3
9.2.4
8019K–AVR–11/10
Brown-out Detection
Watchdog Reset
ATmega165P has an On-chip Brown-out Detection (BOD) circuit for monitoring the V
during operation by comparing it to a fixed trigger level. The trigger level for the BOD can be
selected by the BODLEVEL Fuses. The trigger level has a hysteresis to ensure spike free
Brown-out Detection. The hysteresis on the detection level should be interpreted as V
V
value below the trigger level (V
When V
MCU after the Time-out period t
The BOD circuit will only detect a drop in V
ger than t
Figure 9-5.
When the Watchdog times out, it will generate a short reset pulse of one CK cycle duration. On
the falling edge of this pulse, the delay timer starts counting the Time-out period t
“Watchdog Timer” on page 47
Figure 9-6.
BOT
+ V
CC
HYST
BOD
CC
increases above the trigger level (V
/2 and V
given in
Brown-out Reset During Operation
Watchdog Reset During Operation
INTERNAL
TIME-OUT
RESET
RESET
V
CC
BOT-
“System and Reset Characteristics” on page
= V
BOT
for details on operation of the Watchdog Timer.
BOT-
TOUT
- V
in
has expired.
HYST
Figure
V
CK
BOT-
/2.When the BOD is enabled, and V
CC
9-5), the Brown-out Reset is immediately activated.
if the voltage stays below the trigger level for lon-
BOT+
in
Figure
V
t
TOUT
9-5), the delay counter starts the
BOT+
302.
ATmega165P
CC
decreases to a
TOUT
. Refer to
CC
BOT+
level
46
=
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