ATtiny28L

Manufacturer Part NumberATtiny28L
ManufacturerAtmel Corporation
ATtiny28L datasheets
 

Specifications of ATtiny28L

Flash (kbytes)2 KbytesPin Count28
Max. Operating Frequency4 MHzCpu8-bit AVR
Hardware Qtouch AcquisitionNoMax I/o Pins11
Ext Interrupts10Usb SpeedNo
Usb InterfaceNoGraphic LcdNo
Video DecoderNoCamera InterfaceNo
Analog Comparators1Resistive Touch ScreenNo
Temp. SensorNoCrypto EngineNo
Sram (kbytes)0.03Self Program MemoryNO
Dram MemoryNoNand InterfaceNo
PicopowerNoTemp. Range (deg C)-40 to 85
I/o Supply Class1.8 to 5.5Operating Voltage (vcc)1.8 to 5.5
FpuNoMpu / Mmuno / no
Timers132khz RtcNo
Calibrated Rc OscillatorYes  
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1062F–AVR–07/06
Figure 34. Modulation with ONTIM = 1, MCONF = 011
CLK
PA2
Note:
Clock frequency: 3.64 MHz; modulation frequency: 455 kHz; duty-cycle: 25%
Figure 35. Modulation with ONTIM = 3, MCONF = 001
CLK
PA2
Note:
Clock frequency: 3.64 MHz; modulation frequency: 455 kHz; duty-cycle: 50%
Table 17. Some Common Modulator Configurations
Crystal/Resonator
Carrier
Frequency
Frequency
455 kHz
38 kHz
455 kHz
38 kHz
455 kHz
38 kHz
455 kHz
38 kHz
455 kHz
38 kHz
1 MHz
38 kHz
1.8432 MHz
38 kHz
1.8432 MHz
38 kHz
1.8432 MHz
38 kHz
2 MHz
38 kHz
2 MHz
38 kHz
2.4576 MHz
38 kHz
3.2768 MHz
38 kHz
4 MHz
38 kHz
455 kHz
455 kHz
1 MHz
455 kHz
1.82 MHz
455 kHz
1.82 MHz
455 kHz
1.8432 MHz
455 kHz
1.8432 MHz
455 kHz
2 MHz
455 kHz
ATtiny28L/V
% Error in
ONTIM
Frequency
Duty-cycle
Value
0.2
25%
2
0.2
33%
3
0.2
50%
5
0.2
67%
3
0.2
75%
2
1.2
50%
12
1.1
25%
11
1.1
33%
15
1.1
50%
23
1.2
25%
12
1.2
50%
25
1.1
50%
31
2.0
25%
21
1.2
25%
25
0.0
approx. 50%
X
9.9
50%
0
0.0
25%
0
0.0
50%
1
1.3
25%
0
1.3
50%
1
9.9
25%
0
MCONF
Value
011
010
001
100
101
001
011
010
001
011
001
001
011
011
111
001
011
001
011
001
011
41