ATMEGA48-20PI Atmel, ATMEGA48-20PI Datasheet - Page 214
![IC AVR MCU 4K 5V 20MHZ 28-DIP](/photos/7/21/72189/453-28-dip_sml.jpg)
ATMEGA48-20PI
Manufacturer Part Number
ATMEGA48-20PI
Description
IC AVR MCU 4K 5V 20MHZ 28-DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA48-20PI
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
Contains lead / RoHS non-compliant
Other names
ATMEGA48-24PI
ATMEGA48-24PI
ATMEGA48-24PI
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Note that arbitration is not allowed between:
• A REPEATED START condition and a data bit.
• A STOP condition and a data bit.
• A REPEATED START and a STOP condition.
It is the user software’s responsibility to ensure that these illegal arbitration conditions never
occur. This implies that in multi-master systems, all data transfers must use the same composi-
tion of SLA+R/W and data packets. In other words: All transmissions must contain the same
number of data packets, otherwise the result of the arbitration is undefined.
ATmega48/88/168
214
2545S–AVR–07/10
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