ATMEGA88P-20AU Atmel, ATMEGA88P-20AU Datasheet - Page 415
![MCU AVR 8K ISP FLSH 20MHZ 32TQFP](/photos/37/62/376284/tqfp-32_sml.jpg)
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
13 I/O-Ports .................................................................................................. 73
14 8-bit Timer/Counter0 with PWM ............................................................ 92
15 16-bit Timer/Counter1 with PWM ........................................................ 111
16 Timer/Counter0 and Timer/Counter1 Prescalers .............................. 139
17 8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 142
13.1Overview ...............................................................................................................73
13.2Ports as General Digital I/O ...................................................................................74
13.3Alternate Port Functions ........................................................................................78
13.4Register Description ..............................................................................................90
14.1Features ................................................................................................................92
14.2Overview ...............................................................................................................92
14.3Timer/Counter Clock Sources ...............................................................................94
14.4Counter Unit ..........................................................................................................94
14.5Output Compare Unit ............................................................................................95
14.6Compare Match Output Unit ..................................................................................96
14.7Modes of Operation ...............................................................................................97
14.8Timer/Counter Timing Diagrams .........................................................................102
14.9Register Description ............................................................................................104
15.1Features ..............................................................................................................111
15.2Overview .............................................................................................................111
15.3Accessing 16-bit Registers ..................................................................................113
15.4Timer/Counter Clock Sources .............................................................................116
15.5Counter Unit ........................................................................................................117
15.6Input Capture Unit ...............................................................................................118
15.7Output Compare Units .........................................................................................120
15.8Compare Match Output Unit ................................................................................122
15.9Modes of Operation .............................................................................................123
15.10Timer/Counter Timing Diagrams .......................................................................130
15.11Register Description ..........................................................................................132
16.1Internal Clock Source ..........................................................................................139
16.2Prescaler Reset ...................................................................................................139
16.3External Clock Source .........................................................................................139
16.4Register Description ............................................................................................141
17.1Features ..............................................................................................................142
17.2Overview .............................................................................................................142
ATmega48P/88P/168P
iii
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