ATtiny28L Atmel Corporation, ATtiny28L Datasheet - Page 64

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ATtiny28L

Manufacturer Part Number
ATtiny28L
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATtiny28L

Flash (kbytes)
2 Kbytes
Pin Count
28
Max. Operating Frequency
4 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
11
Ext Interrupts
10
Usb Speed
No
Usb Interface
No
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
0.03
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
1
32khz Rtc
No
Calibrated Rc Oscillator
Yes
ATtiny28L/V
64
Figure 55. Calibrated Internal RC Oscillator Frequency vs. V
CALIBRATED RC OSCILLATOR FREQUENCY vs.
OPERATING VOLTAGE
1.28
1.26
1.24
1.22
1.2
1.18
1.16
1.14
1.12
1.1
2
2.5
3
Figure 56. Watchdog Oscillator Frequency vs. V
1600
1400
1200
1000
800
600
400
200
0
1.5
2
2.5
3
CC
T = 85
3.5
4
4.5
5
5.5
V
(V)
cc
CC
T
= 25˚C
A
3.5
4
4.5
5
5.5
V
(V)
CC
T = 25
C
˚
A
T = 45
C
˚
A
T = 70
C
˚
A
C
˚
A
6
T
= 85˚C
A
6
1062F–AVR–07/06

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