ATMEGA88-20AU Atmel, ATMEGA88-20AU Datasheet - Page 29
![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. Datasheet Revision History
9.1
9.2
9.3
9.4
9.5
9.6
2545SS–AVR–07/10
Rev. 2545S-07/10
Rev. 2545R-07/09
Rev. 2545Q-06/09
Rev. 2545P-02/09
Rev. 2545O-02/09
Rev. 2545N-01/09
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
1.
2.
1.
2.
1.
2.
1.
1.
2.
1.
2.
3.
4.
Changed minimum Power-on Reset Threshold Voltage (falling) to 0.05V in
Note 6 and Note 7 in
have been removed.
Document updated according to Atmel standard.
Updated
Updated the last page with Atmel’s new addresses.
Removed the heading “About”. The subsections of this sectionis now separate sec-
tions, “Resources”, “Data Retention” and “About Code Examples”
Updated
Removed Power-off slope rate from
3 on page
Removed section “Power-on slope rate” from
page
Updated
designs”.
Merged the sections Resources, Data Retention and About Code Examples under
one common section,
Updated
Updated
306.
“Errata” on page
“Ordering Information” on page
Figure 8-4 on page
“System Clock Prescaler” on page
“Features” on page 1
306.
“Resources” on page
Table 28-5, “2-wire Serial Bus Requirements,” on page 307
357.
34.
and added the note “Not recommended for new
Table 28-3 on page
349.
7.
35.
“System and Reset Characteristics” on
ATmega48/88/168
306.
Table 28-
29