ATtiny28L Atmel Corporation, ATtiny28L Datasheet - Page 29

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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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1062F–AVR–07/06
Figure 24. Port B Schematic Diagram (Pin PB2)
Figure 25. PORT B Schematic Diagram (Pins PB3 and PB4)
PB2
PBn
RP: READ PORTB PIN
RP: READ PORTB PIN
n : 3, 4
m : 0, 1
MOS
PULL-
UP
MOS
PULL-
UP
CS02 CS01 CS00
SENSE CONTROL
ISCm1
SENSE CONTROL
ISCm0
TO LOW-LEVEL DETECTOR
RP
TO LOW-LEVEL DETECTOR
RP
PULL-UP PORT B
PULL-UP PORT B
INTm ENABLE
ATtiny28L/V
TIMER0 CLOCK
SOURCE MUX
INTm
29

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