ATMEGA88-20MJ Atmel, ATMEGA88-20MJ Datasheet - Page 371
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ATMEGA88-20MJ
Manufacturer Part Number
ATMEGA88-20MJ
Description
IC MCU AVR 8K 5V 20MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA88-20MJ
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA88-24MJ
ATMEGA88-24MJ
ATMEGA88-24MJ
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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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