ATMEGA162-16AJ Atmel, ATMEGA162-16AJ Datasheet - Page 50
![IC MCU AVR 16K 5V 16MHZ 44-TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
ATMEGA162-16AJ
Manufacturer Part Number
ATMEGA162-16AJ
Description
IC MCU AVR 16K 5V 16MHZ 44-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA162-16AJ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
35
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)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
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Brown-out Detection
50
ATmega162/V
ATmega162 has an On-chip Brown-out Detection (BOD) circuit for monitoring the V
ing 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
Table 19. BODLEVEL Fuse Coding
Notes:
Table 20. Brown-out Hysteresis
When the BOD is enabled and V
25), the Brown-out Reset is immediately activated. When V
(V
expired.
The BOD circuit will only detect a drop in V
ger than t
BODLEVEL Fuses [2:0]
111
110
101
100
011
010
001
000
BOT
BOT+
Symbol
V
t
(2)
(2)
HYST
BOD
+ V
in
1. V
2. For ATmega162V. Otherwise reserved.
HYST
BOD
Figure
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. This test is performed using
BODLEVEL = 110 for ATmega162V, BODLEVEL = 101 and BODLEVEL = 100 for
ATmega162.
BOT
/2 and V
given in
Parameter
Brown-out Detector hysteresis
Min Pulse Width on Brown-out Reset
may be below nominal minimum operating voltage for some devices. For devices where
25), the delay counter starts the MCU after the Time-out period t
BOT-
Table
= V
18.
BOT
Min. V
CC
- V
decreases to a value below the trigger level (V
HYST
1.7
2.5
4.1
2.1
BOT
/2.
(1)
CC
if the voltage stays below the trigger level for lon-
Typ. V
Min.
1.8
2.7
4.3
2.3
BOD Disabled
CC
Reserved
BOT
= V
BOT
CC
CC
Typ.
50
2
during the production test. This guar-
increases above the trigger level
drops to a voltage where correct
Max. V
2.0
2.9
4.5
2.5
Max.
BOT
Units
mV
Units
µs
2513K–AVR–07/09
V
BOT-
CC
level dur-
TOUT
in
BOT+
Figure
has
=
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