ATMEGA32L-8MI Atmel, ATMEGA32L-8MI Datasheet - Page 38
ATMEGA32L-8MI
Manufacturer Part Number
ATMEGA32L-8MI
Description
IC AVR MCU 32K LV 8MHZ IND 44QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32L-8MI
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
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K 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
44-VQFN Exposed Pad
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Power-on Reset
2503Q–AVR–02/11
A Power-on Reset (POR) pulse is generated by an On-chip detection circuit. The detection level
is defined in
POR circuit can be used to trigger the Start-up Reset, as well as to detect a failure in supply
voltage.
A Power-on Reset (POR) circuit ensures that the device is reset from Power-on. Reaching the
Power-on Reset threshold voltage invokes the delay counter, which determines how long the
device is kept in RESET after V
when V
Figure 16. MCU Start-up, RESET Tied to V
Figure 17. MCU Start-up, RESET Extended Externally
CC
INTERNAL
INTERNAL
TIME-OUT
TIME-OUT
decreases below the detection level.
RESET
RESET
RESET
RESET
V
V
Table
CC
CC
15. The POR is activated whenever V
V
V
V
POT
POT
RST
CC
t
rise. The RESET signal is activated again, without any delay,
TOUT
CC
.
V
RST
t
TOUT
CC
is below the detection level. The
ATmega32(L)
38
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