ATMEGA32L-8MJ Atmel, ATMEGA32L-8MJ Datasheet - Page 37
![IC MCU AVR 32K 5V 8MHZ 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA32L-8MJ
Manufacturer Part Number
ATMEGA32L-8MJ
Description
IC MCU AVR 32K 5V 8MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32L-8MJ
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
Lead free / RoHS Compliant
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2503Q–AVR–02/11
Figure 15. 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
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 ATmega32L and BODLEVEL = 0 for ATmega32. BODLEVEL = 1 is not
applicable for ATmega32.
Parameter
Power-on Reset
Threshold Voltage (rising)
Power-on Reset
Threshold Voltage
(falling)
Voltage
Minimum pulse width on
RESET Pin
Brown-out Reset
Threshold Voltage
Minimum low voltage
period for Brown-out
Detection
Brown-out Detector
hysteresis
BODLEVEL
RESET Pin Threshold
BOT
BODEN
may be below nominal minimum operating voltage for some devices. For devices where
(1)
JTAG Reset
Pull-up Resistor
Register
FILTER
SPIKE
(2)
CKSEL[3:0]
Reset Circuit
Reset Circuit
SUT[1:0]
Reset Circuit
Brown-out
Watchdog
Watchdog
Oscillator
Power-on
Generator
Timer
Clock
BODLEVEL = 1
BODLEVEL = 0
BODLEVEL = 1
BODLEVEL = 0
Condition
CK
MCU Control and Status
Register (MCUCSR)
DATA BUS
Delay Counters
CC
0.2V
= V
Min
2.5
3.6
BOT
CC
CC
during the production test. This guar-
drops to a voltage where correct
Typ
1.4
1.3
2.7
4.0
50
2
2
TIMEOUT
ATmega32(L)
0.9V
Max
2.3
2.3
1.5
2.9
4.2
CC
Units
POT
mV
µs
µs
µs
V
V
V
V
(falling).
37
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