ATMEGA88-20AJ Atmel, ATMEGA88-20AJ Datasheet - Page 373

IC MCU AVR 8K 5V 20MHZ 32-TQFP

ATMEGA88-20AJ

Manufacturer Part Number
ATMEGA88-20AJ
Description
IC MCU AVR 8K 5V 20MHZ 32-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA88-20AJ

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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA88-24AJ
ATMEGA88-24AJ

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA88-20AJ
Manufacturer:
Atmel
Quantity:
10 000
22 Analog Comparator .............................................................................. 240
23 Analog-to-Digital Converter ................................................................ 243
24 debugWIRE On-chip Debug System .................................................. 259
25 Self-Programming the Flash, ATmega48 ........................................... 261
26 Boot Loader Support – Read-While-Write Self-Programming, ATmega88 and ATmega168
2545S–AVR–07/10
268
21.22-wire Serial Interface Bus Definition ..................................................................208
21.3Data Transfer and Frame Format ........................................................................209
21.4Multi-master Bus Systems, Arbitration and Synchronization ...............................212
21.5Overview of the TWI Module ...............................................................................215
21.6Using the TWI ......................................................................................................217
21.7Transmission Modes ...........................................................................................221
21.8Multi-master Systems and Arbitration ..................................................................234
21.9Register Description ............................................................................................235
22.1Overview ..............................................................................................................240
22.2Analog Comparator Multiplexed Input .................................................................240
22.3Register Description ............................................................................................241
23.1Features ..............................................................................................................243
23.2Overview ..............................................................................................................243
23.3Starting a Conversion ..........................................................................................245
23.4Prescaling and Conversion Timing ......................................................................246
23.5Changing Channel or Reference Selection .........................................................248
23.6ADC Noise Canceler ...........................................................................................249
23.7ADC Conversion Result .......................................................................................254
23.8Register Description ............................................................................................254
24.1Features ..............................................................................................................259
24.2Overview ..............................................................................................................259
24.3Physical Interface ................................................................................................259
24.4Software Break Points .........................................................................................260
24.5Limitations of debugWIRE ...................................................................................260
24.6Register Description ............................................................................................260
25.1Overview ..............................................................................................................261
25.2Addressing the Flash During Self-Programming .................................................262
25.3Register Description ............................................................................................266
26.1Features ..............................................................................................................268
ATmega48/88/168
v

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