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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Download datasheet (664Kb)Embed
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Port D Data Register – PORTD
Port D Data Direction Register
– DDRD
Port D Input Pins Address –
PIND
1062F–AVR–07/06
Bit
7
6
5
$12
PORTD7
PORTD6
PORTD5
Read/Write
R/W
R/W
R/W
Initial Value
0
0
0
Bit
7
6
5
$11
DDD7
DDD6
DDD5
Read/Write
R/W
R/W
R/W
Initial Value
0
0
0
Bit
7
6
5
$10
PIND7
PIND6
PIND5
Read/Write
R
R
R
Initial Value
N/A
N/A
N/A
The Port D Input Pins Address (PIND) is not a register; this address enables access to
the physical value on each Port D pin. When reading PORTD, the Port D Data Latch is
read and when reading PIND, the logical values present on the pins are read.
ATtiny28L/V
4
3
2
1
PORTD4
PORTD3
PORTD2
PORTD1
R/W
R/W
R/W
R/W
0
0
0
0
4
3
2
1
DDD4
DDD3
DDD2
DDD1
R/W
R/W
R/W
R/W
0
0
0
0
4
3
2
1
PIND4
PIND3
PIND2
PIND1
R
R
R
R
N/A
N/A
N/A
N/A
0
PORTD0
PORTD
R/W
0
0
DDD0
DDRD
R/W
0
0
PIND0
PIND
R
N/A
33