ATMEGA3290P-20AUR Atmel, ATMEGA3290P-20AUR Datasheet - Page 195
ATMEGA3290P-20AUR
Manufacturer Part Number
ATMEGA3290P-20AUR
Description
MCU AVR 32K FLASH 20MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA3290P-20AUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
69
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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Table 19-4.
1.
8021G–AVR–03/11
Max.
115.2k
230.4k
Baud
(bps)
14.4k
19.2k
28.8k
38.4k
57.6k
76.8k
2400
4800
9600
0.5M
Rate
250k
1M
(1)
UBRR = 0, Error = 0.0%
UBRRn
95
47
23
15
11
7
5
3
2
1
0
0
–
–
230.4kbps
U2Xn = 0
Examples of UBRRn Settings for Commonly Used Oscillator Frequencies (Continued)
f
osc
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
–
= 3.6864MHz
UBRRn
191
95
47
31
23
15
11
7
5
3
1
1
0
–
460.8kbps
U2Xn = 1
-7.8%
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
UBRRn
103
51
25
16
12
8
6
3
2
1
0
0
–
–
U2Xn = 0
250kbps
f
osc
-3.5%
-7.0%
Error
0.2%
0.2%
0.2%
2.1%
0.2%
8.5%
8.5%
8.5%
8.5%
0.0%
–
–
= 4.0000MHz
UBRRn
207
103
51
34
25
16
12
8
6
3
1
1
0
–
U2Xn = 1
0.5Mbps
-0.8%
-3.5%
-7.0%
Error
0.2%
0.2%
0.2%
0.2%
2.1%
0.2%
8.5%
8.5%
0.0%
0.0%
–
ATmega329P/3290P
UBRRn
191
95
47
31
23
15
11
7
5
3
1
1
0
–
460.8kbps
U2Xn = 0
f
osc
-7.8%
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
= 7.3728MHz
UBRRn
383
191
95
63
47
31
23
15
11
7
3
3
1
0
921.6kbps
U2Xn = 1
-7.8%
-7.8%
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
195
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