ATMEGA48-20PJ Atmel, ATMEGA48-20PJ Datasheet - Page 363

IC AVR MCU 4K 5V 20MHZ 28-DIP

ATMEGA48-20PJ

Manufacturer Part Number
ATMEGA48-20PJ
Description
IC AVR MCU 4K 5V 20MHZ 28-DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA48-20PJ

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
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA48-24PJ
ATMEGA48-24PJ
35. Datasheet Revision History
35.1
35.2
35.3
35.4
35.5
35.6
2545S–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.
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
306.
“Errata” on page
“Ordering Information” on page
Figure 8-4 on page
“Features” on page 1
306.
“Resources” on page
Table 28-5, “2-wire Serial Bus Requirements,” on page 307
356.
34.
and added the note “Not recommended for new
Table 28-3 on page
349.
7.
“System and Reset Characteristics” on
ATmega48/88/168
306.
Table 28-
363

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