ATtiny28L Atmel Corporation, ATtiny28L Datasheet - Page 55

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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
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DC Characteristics (Continued)
T
Notes:
1062F–AVR–07/06
A
Symbol
V
I
T
ACLK
ACPD
ACIO
= -40°C to 85°C, V
1. “Max” means the highest value where the pin is guaranteed to be read as low.
2. “Min” means the lowest value where the pin is guaranteed to be read as high.
3. Although each I/O port can sink more than the test conditions (20 mA at V
4. Although each I/O port can source more than the test conditions (3 mA at V
5. Minimum V
6. When entering Power-down, PORTA2 bit in PORTA register should be set.
conditions (non-transient), the following must be observed:
1] The sum of all I
2] The sum of all I
If I
Pins are not guaranteed to sink current greater than the listed test conditions.
conditions (non-transient), the following must be observed:
1] The sum of all I
2] The sum of all I
If I
Pins are not guaranteed to source current greater than the listed test conditions.
Parameter
Analog Comparator Input
Offset Voltage
Analog Comparator Input
Leakage Current
Analog Comparator
Propagation Delay
OL
OH
exceeds the test condition, V
exceeds the test condition, V
CC
CC
for power-down is 1.5V.
= 1.8V to 5.5V (unless otherwise noted)
OL
OL
OH
OH
, for all ports, should not exceed 300 mA.
, for port D0 - D7 and XTAL2 should not exceed 100 mA.
, for all ports, should not exceed 300 mA.
, for port D0 - D7 and XTAL2 should not exceed 100 mA.
OL
Condition
V
V
V
V
V
V
OH
CC
IN
CC
IN
CC
CC
may exceed the related specification.
may exceed the related specification.
= V
= V
= 2.7V
= 4.0V
= 5V
= 5V
CC
CC
/2
/2
-50.0
Min
CC
CC
= 5V, 10 mA at V
= 5V, 1.5 mA at V
750.0
500.0
Typ
CC
CC
ATtiny28L/V
= 3V) under steady-state
= 3V) under steady-state
Max
40.0
50.0
Units
mV
nA
ns
55

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