ATMEGA88-20MI Atmel, ATMEGA88-20MI Datasheet - Page 29

• Manufacturer Part Number: ATMEGA88-20MI
• Description: IC MCU AVR 8K 5V 20MHZ 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA88-20MI

• 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: Contains lead / RoHS non-compliant
• Other names: ATMEGA88-24MI; ATMEGA88-24MI

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