ATMEGA128A-MUR Atmel, ATMEGA128A-MUR Datasheet - Page 323
![MCU AVR 128K FLASH 16MHZ 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA128A-MUR
Manufacturer Part Number
ATMEGA128A-MUR
Description
MCU AVR 128K FLASH 16MHZ 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA128A-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K 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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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27.5
8151H–AVR–02/11
System and Reset Characteristics
Table 27-2.
Notes:
Table 27-3.
Notes:
Symbol
V
V
V
V
t
t
BOD
RST
HYST
POT
BOT
RST
1. R should be in the range 3 kΩ - 100 kΩ, and C should be at least 20pF. The C values given in
2. The frequency will vary with package type and board layout.
1. The Power-on Reset will not work unless the supply voltage has been below V
2. V
the table includes pin capacitance. This will vary with package type.
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=0 and BODLEVEL=1.
Parameter
Power-on Reset Threshold
Voltage (rising)
Power-on Reset Threshold
Voltage (falling)
Voltage
Pulse width on RESET Pin
Brown-out Reset Threshold
Voltage
Minimum low voltage
period for Brown-out
Detection
Brown-out Detector
hysteresis
BOT
RESET Pin Threshold
R [kΩ]
External RC Oscillator, Typical Frequencies
Reset Characteristics
may be below nominal minimum operating voltage for some devices. For devices where
33
10
(2)
(1)
(1)
BODLEVEL = 0
BODLEVEL = 0
Condition
C [pF]
22
22
CC
= V
CC
drops to a voltage where correct
BOT
0.2 V
Min
1.5
3.7
during the production test. This guar-
CC
Typ
100
ATmega128A
1.4
1.3
4.0
2
0.85 V
650kHz
2.0MHz
Max
2.3
2.3
4.5
f
POT
(2)
CC
(falling)
Units
mV
µs
µs
V
V
V
V
323
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