ATMEGA88-20AU Atmel, ATMEGA88-20AU Datasheet - Page 32
![IC AVR MCU 8K 20MHZ 5V 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA88-20AU
Manufacturer Part Number
ATMEGA88-20AU
Description
IC AVR MCU 8K 20MHZ 5V 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA88-20AU
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
Package
32TQFP
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
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
Part Number:
ATMEGA88-20AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATMEGA88-20AU/TR
Manufacturer:
Atmel
Quantity:
2 000
9.15
9.16
9.17
2545SS–AVR–07/10
Rev. 2545E-02/05
Rev. 2545D-07/04
Rev. 2545C-04/04
3.
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Table notes in
Updated instructions used with WDTCSR in relevant code examples.
Updated cross-reference in
Updated
Updated
Updated
MLF-package alternative changed to “Quad Flat No-Lead/Micro Lead Frame Package
QFN/MLF”.
Updated
Updated
Updated
Updated
305and
Added
Updated
Updated
266.
Updated
Updated
Updated
Updated
Updated
and
Updated
Moved “TIMSK2 – Timer/Counter2 Interrupt Mask Register” on page17.11.6 and
“TIFR2 – Timer/Counter2 Interrupt Flag Register” on page17.11.7 to
“Register Description” on page
Updated equation in
Added
Updated
Updated Ordering Information for
Updated
Updated equation in
Speed Grades changed: 12MHz to 10MHz and 24MHz to 20MHz
Updated
Updated
Table 26-11 on page
“Pin Change Interrupt Timing” on page 65
“Page Size” on page
Table 27-16 on page 299
Section 27.8.3 “Serial Programming Instruction set” on page
Section 34. “Errata” on page
“EECR – The EEPROM Control Register” on page
“Calibrated Internal RC Oscillator” on page
“External Clock” on page
“8-bit Timer/Counter Block Diagram” on page
“Enter Programming Mode” on page
“DC Characteristics” on page
“Ordering Information” on page
“Errata ATmega88” on page 360
“System Clock Prescaler” on page
“Serial Programming Algorithm” on page
“Errata ATmega88” on page 360
“Speed Grades” on page
“Ordering Information” on page
“Errata ATmega88” on page
“SPMCSR – Store Program Memory Control and Status Register” on page
Table 8-5 on page
Table 28-3 on page
Section 28.2 “DC Characteristics” on page 302
“Bit Rate Generator Unit” on page
“Bit Rate Generator Unit” on page
282.
“Electrical Interconnection” on page
288.
30,
152.
306,
Table 28-4 on page
“ATmega168” on page
34.
304.
Table 28-6 on page
360.
357.
302.
349.
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and
and
35.
290.
“Errata ATmega168” on page
“Errata ATmega168” on page
298.
ATmega48/88/168
32.
306,
89.
215.
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351.
308,
Table 26-9 on page
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updated.
Table 28-2 on page
209.
299.
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281,
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