ATTINY28L-4AU Atmel, ATTINY28L-4AU Datasheet - Page 56
ATTINY28L-4AU
Manufacturer Part Number
ATTINY28L-4AU
Description
IC MCU AVR 2K FLASH 4MHZ 32-TQFP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY28L-4AU
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
Processor Series
ATTINY2x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
32 B
Maximum Clock Frequency
4 MHz
Number Of Programmable I/os
11
Number Of Timers
1
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit
Package
32TQFP
Device Core
AVR
Family Name
ATtiny
Maximum Speed
4 MHz
Ram Size
32 Byte
Operating Supply Voltage
3.3|5 V
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Ram Size
-
Data Converters
-
Connectivity
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
External Clock Drive Waveforms
Figure 41. External Clock
External Clock Drive
Table 25. External RC Oscillator, Typical Frequencies
56
Symbol
1/t
t
t
t
t
t
CHCX
CLCH
CHCL
CLCL
CLCX
CLCL
ATtiny28L/V
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
R [kΩ]
100.0
VIL1
31.5
6.5
VIH1
:
Note:
V
833.0
333.0
333.0
R should be in the range 3 - 100 kΩ, and C should be at least 20 pF.
Min
CC
0.0
= 1.8V to 2.7V
C [pF]
70.0
20.0
20.0
Max
1.2
1.6
1.6
V
250.0
100.0
100.0
CC
Min
0.0
= 2.7V to 4.0V
Max
4.0
1.6
1.6
V
250.0
100.0
100.0
100.0 kHz
Min
CC
0.0
1.0 MHz
4.0 MHz
= 4.0V to 5.5V
f
Max
4.0
0.5
0.5
1062F–AVR–07/06
Units
MHz
ns
ns
ns
µs
µs