ATMEGA48A-PU Atmel, ATMEGA48A-PU Datasheet - Page 327

IC MCU AVR 4K FLASH 28PDIP

ATMEGA48A-PU

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

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
8271C–AVR–08/10
2. Required only for f
3. C
4. f
5. This requirement applies to all ATmega48A/48PA/88A/88PA/168A/168PA/328/328P 2-wire Serial Interface operation. Other
devices connected to the 2-wire Serial Bus need only obey the general f
CK
b
= capacitance of one bus line in pF.
= CPU clock frequency
Figure 28-5. Two-wire Serial Bus Timing
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
SCL
> 100 kHz.
SCL
SDA
t
SU;STA
t
HD;STA
t
t
of
LOW
t
HIGH
t
HD;DAT
t
LOW
SCL
requirement.
t
SU;DAT
t
SU;STO
t
r
t
BUF
327

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