ATMEGA48A-PU Atmel, ATMEGA48A-PU Datasheet - Page 556

• Manufacturer Part Number: ATMEGA48A-PU
• Description: IC MCU AVR 4K FLASH 28PDIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48A-PU

• 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): 1.8 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)
• Controller Family/series: Atmega
• No. Of I/o's: 23
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 20MHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

35. Datasheet Revision History
35.1
35.2
8271C–AVR–08/10
Rev. 8271C – 08/10
Rev. 8271B – 04/10
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.
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
1.
2.
3.
4.
1.
2.
3.
4.
5.
Corrected use of SBIS instructions in assembly code examples.
Added 32UFBGA Pinout,
Updated the “SRAM Data Memory”,
Updated
“32CC1”
“32CC1”
Updated
Corrected BOD and BODSE bits to R/W in
on page 69
Figures for bandgap characterization added,
on page
on page
363 on page
Updated
responding package.
374,
449,
Package drawing.
Table 8-8
”Packaging Information” on page 547
”Ordering Information” on page 539
Package drawing added on
and
524.
Figure 29-128 on page
Figure 29-269 on page
Section 13.4 on page 93
with correct value for timer oscilliator at xtal2/tos2
Table 1-1 on page
Figure 7-3 on page
399,
474,
”Packaging Information” on page
Figure 29-175 on page
Figure 29-316 on page 499
Section 9.11.2 on page
2.
Figure 29-34 on page
with CCU and CCUR code related to
by replacing 28M1 with a correct cor-
18.
424,
349,
45,
and
Figure 29-222
547.
Figure 29-81
Section 11.5
Figure 29-
556