ATMEGA324PA-MUR Atmel, ATMEGA324PA-MUR Datasheet - Page 334
ATMEGA324PA-MUR
Manufacturer Part Number
ATMEGA324PA-MUR
Description
MCU AVR 32KB FLASH 20 MHZ 44QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA324PA-AUR.pdf
(468 pages)
Specifications of ATMEGA324PA-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
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)
1.8 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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27.4
Table 27-8.
Notes:
Table 27-9.
Note:
27.5
Table 27-10. Asynchronous External Interrupt Characteristics
8152G–AVR–11/09
Symbol
Symbol
V
t
V
V
INT
t
t
V
t
I
RST
BOD
HYST
POT
RST
BG
BG
BG
System and Reset Characteristics
1. The Power-on Reset will not work unless the supply voltage has been below V
1. V
External Interrupts Characteristics
tested down to V
a voltage where correct operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 101 and BODLEVEL = 110 for ATmega164PA/324PA.
BODLEVEL 2:0 Fuses
BOT
Parameter
Minimum pulse width for asynchronous external interrupt
Reset, Brown-out and Internal Voltage Reference Characteristics
BODLEVEL Fuse Coding
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
Minimum pulse width on RESET Pin
Brown-out Detector Hysteresis
Min Pulse Width on Brown-out Reset
Bandgap reference voltage
Bandgap reference start-up time
Bandgap reference current consumption
RESET Pin Threshold Voltage
may be below nominal minimum operating voltage for some devices. For devices where this is the case, the device is
111
110
101
100
011
010
001
000
CC
= V
BOT
during the production test. This guarantees that a Brown-Out Reset will occur before V
(1)
Min V
ATmega164PA/324PA/644PA/1284P
(1)
1.7
2.5
4.1
BOT
V
V
V
CC
CC
CC
= 2.7V, T
= 2.7V, T
= 2.7V, T
Condition
Typ V
A
A
A
= 25°C
= 25°C
= 25°C
1.8
2.7
4.3
BOD Disabled
BOT
Condition
Reserved
POT
0.2V
(falling).
Min
1.1
0.6
1.0
CC
Min
Max V
Typ
1.4
1.3
1.1
50
40
10
2.0
2.9
4.5
2
BOT
Typ
50
0.9V
Max
1.6
1.6
2.5
1.2
70
Max
CC
CC
Units
Units
drops to
V
mV
Units
µA
µs
µs
µs
V
V
V
V
ns
334
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