ATMEGA88-20MU Atmel, ATMEGA88-20MU Datasheet - Page 371
ATMEGA88-20MU
Manufacturer Part Number
ATMEGA88-20MU
Description
IC AVR MCU 8K 20MHZ 5V 32-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATAVRTS2080B.pdf
(378 pages)
2.ATMEGA48-20AU.pdf
(35 pages)
3.ATMEGA88-20MU.pdf
(33 pages)
Specifications of ATMEGA88-20MU
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-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Package
32MLF EP
Device Core
AVR
Family Name
ATmega
Maximum Speed
20 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
23
Interface Type
SPI/TWI/USART
On-chip Adc
8-chx10-bit
Number Of Timers
3
Processor Series
ATMEGA8x
Core
AVR8
Data Ram Size
1 KB
Maximum Clock Frequency
20 MHz
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, ATAVRTS2080A, ATASTK512-EK1-IND
Minimum Operating Temperature
- 40 C
A/d Inputs
8-Channel, 10-Bit
Cpu Speed
20 MIPS
Eeprom Memory
512 Bytes
Input Output
23
Interface
SPI/TWI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
32-pin MLF
Programmable Memory
8K Bytes
Timers
2-8-bit, 1-16-bit
Voltage, Range
4.5-5.5 V
Controller Family/series
AVR MEGA
No. Of I/o's
23
Eeprom Memory Size
512Byte
Ram Memory Size
1KB
No. Of Timers
3
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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13 I/O-Ports .................................................................................................. 70
14 8-bit Timer/Counter0 with PWM ............................................................ 88
15 16-bit Timer/Counter1 with PWM ........................................................ 107
16 Timer/Counter0 and Timer/Counter1 Prescalers .............................. 136
17 8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 139
2545S–AVR–07/10
13.1Overview ................................................................................................................70
13.2Ports as General Digital I/O ...................................................................................71
13.3Alternate Port Functions ........................................................................................75
13.4Register Description ..............................................................................................86
14.1Features ................................................................................................................88
14.2Overview ................................................................................................................88
14.3Timer/Counter Clock Sources ...............................................................................90
14.4Counter Unit ..........................................................................................................90
14.5Output Compare Unit .............................................................................................91
14.6Compare Match Output Unit ..................................................................................92
14.7Modes of Operation ...............................................................................................93
14.8Timer/Counter Timing Diagrams ...........................................................................98
14.9Register Description ............................................................................................100
15.1Features ..............................................................................................................107
15.2Overview ..............................................................................................................107
15.3Accessing 16-bit Registers ..................................................................................109
15.4Timer/Counter Clock Sources .............................................................................112
15.5Counter Unit ........................................................................................................113
15.6Input Capture Unit ...............................................................................................114
15.7Output Compare Units .........................................................................................116
15.8Compare Match Output Unit ................................................................................118
15.9Modes of Operation .............................................................................................119
15.10Timer/Counter Timing Diagrams .......................................................................126
15.11Register Description ..........................................................................................129
16.1Register Description ............................................................................................138
17.1Features ..............................................................................................................139
17.2Overview ..............................................................................................................139
17.3Timer/Counter Clock Sources .............................................................................140
17.4Counter Unit ........................................................................................................140
17.5Output Compare Unit ...........................................................................................141
ATmega48/88/168
iii
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