ATMEGA3290P-20AU Atmel, ATMEGA3290P-20AU Datasheet - Page 156
ATMEGA3290P-20AU
Manufacturer Part Number
ATMEGA3290P-20AU
Description
IC MCU 32K 4X40 LCD CTRL 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA3290P-20AU
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
100-TQFP, 100-VQFP
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SPI, USART, 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
10 bit, 8 Channel
Package
100TQFP
Device Core
AVR
Family Name
ATmega
Maximum Speed
20 MHz
Operating Supply Voltage
3.3|5 V
Controller Family/series
AVR MEGA
No. Of I/o's
69
Eeprom Memory Size
1KB
Ram Memory Size
2KB
Cpu Speed
20MHz
Rohs Compliant
Yes
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 LCDATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA3290P-16AU
ATMEGA3290P-16AU
ATMEGA3290P-16AU
Available stocks
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Manufacturer
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8021G–AVR–03/11
When OC2A is connected to the pin, the function of the COM2A1:0 bits depends on the
WGM21:0 bit setting.
are set to a normal or CTC mode (non-PWM).
Table 17-3.
Table 17-4
mode.
Table 17-4.
Note:
Table 17-5
rect PWM mode.
Table 17-5.
Note:
• Bit 2:0 – CS22:0: Clock Select
The three Clock Select bits select the clock source to be used by the Timer/Counter, see
17-6 on page
COM2A1
COM2A1
COM2A1
0
0
1
1
0
0
1
1
0
0
1
1
1. A special case occurs when OCR2A equals TOP and COM2A1 is set. In this case, the com-
1. A special case occurs when OCR2A equals TOP and COM2A1 is set. In this case, the com-
pare match is ignored, but the set or clear is done at BOTTOM. See
page 147
pare match is ignored, but the set or clear is done at TOP. See
page 149
shows the COM2A1:0 bit functionality when the WGM21:0 bits are set to fast PWM
shows the COM21:0 bit functionality when the WGM21:0 bits are set to phase cor-
157.
Compare Output Mode, non-PWM Mode
Compare Output Mode, Fast PWM Mode
Compare Output Mode, Phase Correct PWM Mode
COM2A0
COM2A0
COM2A0
for more details.
for more details.
0
1
0
1
0
1
0
1
Table 17-3
0
1
0
1
Description
Normal port operation, OC2A disconnected.
Reserved
Clear OC2A on compare match, set OC2A at BOTTOM
(non-inverting mode)
Set OC2A on compare match, clear OC2A at BOTTOM
(inverting mode).
Description
Normal port operation, OC2A disconnected.
Reserved
Clear OC2A on compare match when up-counting. Set OC2A on
compare match when counting down.
Set OC2A on compare match when up-counting. Clear OC2A on
compare match when counting down.
Description
Normal port operation, OC2A disconnected.
Toggle OC2A on compare match.
Clear OC2A on compare match.
Set OC2A on compare match.
shows the COM2A1:0 bit functionality when the WGM21:0 bits
(1)
ATmega329P/3290P
(1)
”Phase Correct PWM Mode” on
”Fast PWM Mode” on
Table
156
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