ATMEGA3250P-20AU Atmel, ATMEGA3250P-20AU Datasheet - Page 188
ATMEGA3250P-20AU
Manufacturer Part Number
ATMEGA3250P-20AU
Description
IC MCU AVR 32K FLASH 100-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA3250P-20AU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, 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
100-TQFP, 100-VQFP
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SPI/UART/USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
69
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
For Use With
ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK504 - STARTER KIT AVR EXP MOD 100P LCD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA3250P-16AU
ATMEGA3250P-16AU
ATMEGA3250P-16AU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA3250P-20AU
Manufacturer:
AT
Quantity:
20 000
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Table 18-4.
1.
188
Max.
115.2k
230.4k
Baud
(bps)
14.4k
19.2k
28.8k
38.4k
57.6k
76.8k
Rate
2400
4800
9600
250k
0.5M
1M
(1)
UBRR = 0, Error = 0.0%
ATmega325P/3250P
UBRRn
95
47
23
15
11
230.4 kbps
7
5
3
2
1
0
0
–
–
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%
–
–
= 3.6864 MHz
UBRRn
191
95
47
31
23
15
11
460.8 kbps
7
5
3
1
0
–
1
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
250 kbps
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%
–
–
= 4.0000 MHz
UBRRn
207
103
51
34
25
16
12
8
6
3
1
1
0
–
U2Xn = 1
0.5 Mbps
-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%
–
UBRRn
191
95
47
31
23
15
11
460.8 kbps
7
5
3
1
1
0
–
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%
–
= 7.3728 MHz
UBRRn
383
191
95
63
47
31
23
15
11
921.6 kbps
7
3
3
1
0
U2Xn = 1
8023F–AVR–07/09
-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%
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