ATTINY28L-4AI Atmel, ATTINY28L-4AI Datasheet - Page 8

• 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: -

External RC Oscillator
8
ATtiny28L/V
Figure 6. External Clock Drive Configuration
For timing insensitive applications, the external RC configuration shown in Figure 7 can
be used. For details on how to choose R and C, see Table 25 on page 56.
Figure 7. External RC Configuration
OSCILLATOR
EXTERNAL
R
C
SIGNAL
V
CC
NC
NC
XTAL2
XTAL1
GND
XTAL2
XTAL1
GND
1062F–AVR–07/06