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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Parallel Programming
Characteristics
1062F–AVR–07/06
Figure 40. Parallel Programming Timing
t
XTAL1
XHXL
t
DVXH
Data & Contol
(DATA, XA0/1, BS)
WR
RDY/BSY
OE
DATA
T
= 25°C ± 10%, V
= 5V ± 10%
A
CC
Symbol
Parameter
V
Programming Enable Voltage
PP
I
Programming Enable Current
PP
t
Data & Control Valid before XTAL1 High
DVXH
t
XTAL1 Pulse Width High
XHXL
t
Data & Control Hold after XTAL1 Low
XLDX
t
XTAL1 Low to WR Low
XLWL
t
BS Valid to WR Low
BVWL
t
BS Hold after RDY/BSY High
RHBX
t
WR Pulse Width Low
WLWH
t
WR Low to RDY/BSY Low
WLRL
t
WR Low to RDY/BSY High
WLRH
t
XTAL1 Low to OE Low
XLOL
t
OE Low to DATA Valid
OLDV
t
OE High to DATA Tri-stated
OHDZ
ATtiny28L/V
t
XLWL
t
t
XLDX
BVWL
t
WLWH
t
WLRL
t
XLOL
t
OLDV
Min
Typ
11.5
67.0
67.0
67.0
67.0
67.0
67.0
67.0
0.0
0.5
0.7
67.0
20.0
t
RHBX
t
WLRH
t
OHDZ
Max
Unit
12.5
V
250.0
µA
ns
ns
ns
ns
ns
ns
ns
2.5
µs
0.9
ms
ns
ns
20.0
ns
53