ATmega329PA Atmel Corporation, ATmega329PA Datasheet - Page 354
ATmega329PA
Manufacturer Part Number
ATmega329PA
Description
Manufacturer
Atmel Corporation
Specifications of ATmega329PA
Flash (kbytes)
32 Kbytes
Pin Count
64
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
100
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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29.6.2
29.7
29.8
Table 29-18. Asynchronous External Interrupt Characteristics
8284D–AVR–6/11
Symbol
t
INT
Brown-out Detection
External Interrupts Characteristics
ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490PA
revision A and B
Parameter
Minimum pulse width for asynchronous external interrupt
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Table 29-16. Reset, Brown-out, and Internal Voltage Reference Characteristics,
Note:
Table 29-17. BODLEVEL Fuse Coding
Note:
Symbol
V
SR
POT
ON
BODLEVEL[2:0] Fuses
1. The Power-on Reset will not work unless the supply voltage has been below V
1. 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 = 110, 101 and 100.
BOT
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
Power-on Slope Rate
T
A
111
110
101
100
011
010
001
000
may be below nominal minimum operating voltage for some devices. For devices where
= -40°C to 85°C
Min. V
(1)
1.7
2.5
4.1
BOT
Condition
(1)
CC
Typ V
= V
CC
1.8
2.7
4.3
BOT
BOD Disabled
drops to a voltage where correct
BOT
Reserved
during the production test. This guar-
Min.
0.05
0.01
0.7
Min
Max V
Typ
Typ
1.0
0.9
50
2.0
2.9
4.5
BOT
Max
Max
1.4
1.3
4.5
POT
(falling)
Units
Units
Units
V/ms
V
ns
V
354
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