ATTINY28L-4AI Atmel, ATTINY28L-4AI Datasheet - Page 29

• Manufacturer Part Number: ATTINY28L-4AI
• Description: IC AVR MCU 2KFLSH 4MHZ 3V 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY28L-4AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 11
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Ram Size: -
• Data Converters: -
• Connectivity: -

1062F–AVR–07/06
Figure 24. Port B Schematic Diagram (Pin PB2)
Figure 25. PORT B Schematic Diagram (Pins PB3 and PB4)
PB2
PBn
RP: READ PORTB PIN
RP: READ PORTB PIN
n : 3, 4
m : 0, 1
MOS
PULL-
UP
MOS
PULL-
UP
CS02 CS01 CS00
SENSE CONTROL
ISCm1
SENSE CONTROL
ISCm0
TO LOW-LEVEL DETECTOR
RP
TO LOW-LEVEL DETECTOR
RP
PULL-UP PORT B
PULL-UP PORT B
INTm ENABLE
ATtiny28L/V
TIMER0 CLOCK
SOURCE MUX
INTm
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