ATMEGA88P-20AU Atmel, ATMEGA88P-20AU Datasheet - Page 152
ATMEGA88P-20AU
Manufacturer Part Number
ATMEGA88P-20AU
Description
MCU AVR 8K ISP FLSH 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA88P-20AU
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
23
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K 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
32-TQFP, 32-VQFP
Processor Series
ATMEGA8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
2-Wire, SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
5
Operating Supply Voltage
2.7 V to 5.5 V
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, ATASTK512-EK1-IND
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
32TQFP
Device Core
AVR
Family Name
ATmega
Maximum Speed
20 MHz
Controller Family/series
AVR MEGA
No. Of I/o's
23
Eeprom Memory Size
512Byte
Ram Memory Size
1KB
Cpu Speed
20MHz
Rohs Compliant
Yes
For Use With
ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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8025L–AVR–7/10
Figure 17-9. Timer/Counter Timing Diagram, with Prescaler (f
Figure 17-10
Figure 17-10. Timer/Counter Timing Diagram, Setting of OCF2A, with Prescaler (f
Figure 17-11
Figure 17-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Pres-
TCNTn
TCNTn
TCNTn
(clk
(clk
(clk
OCRnx
OCFnx
(CTC)
OCRnx
OCFnx
TOVn
clk
clk
clk
clk
clk
clk
I/O
I/O
I/O
I/O
I/O
I/O
Tn
Tn
Tn
/8)
/8)
/8)
shows the setting of OCF2A in all modes except CTC mode.
shows the setting of OCF2A and the clearing of TCNT2 in CTC mode.
caler (f
OCRnx - 1
clk_I/O
TOP - 1
MAX - 1
/8)
TOP
OCRnx
MAX
OCRnx Value
TOP
ATmega48P/88P/168P
BOTTOM
OCRnx + 1
BOTTOM
clk_I/O
/8)
BOTTOM + 1
BOTTOM + 1
OCRnx + 2
clk_I/O
/8)
152
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