ATTINY45-20SI Atmel, ATTINY45-20SI Datasheet - Page 79
![IC AVR MCU 4K 20MHZ 8SOIC](/photos/6/50/65032/453-8-soic_sml.jpg)
ATTINY45-20SI
Manufacturer Part Number
ATTINY45-20SI
Description
IC AVR MCU 4K 20MHZ 8SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY45-20SI
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY45-20SI
Manufacturer:
ATMEL
Quantity:
126
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2586M–AVR–07/10
Figure 11-11. Timer/Counter Timing Diagram, with Prescaler (f
Figure 11-12
mode and PWM mode, where OCR0A is TOP.
Figure 11-12. Timer/Counter Timing Diagram, Setting of OCF0x, with Prescaler (f
Figure 11-13
PWM mode where OCR0A is TOP.
Figure 11-13. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Pres-
TCNTn
(clk
TCNTn
(clk
TCNTn
(CTC)
OCRnx
(clk
OCFnx
TOVn
OCRnx
OCFnx
clk
clk
clk
clk
clk
clk
I/O
I/O
I/O
I/O
Tn
I/O
Tn
I/O
Tn
/8)
/8)
/8)
shows the setting of OCF0B in all modes and OCF0A in all modes except CTC
shows the setting of OCF0A and the clearing of TCNT0 in CTC mode and fast
caler (f
clk_I/O
OCRnx - 1
MAX - 1
TOP - 1
/8)
OCRnx
MAX
TOP
OCRnx Value
TOP
OCRnx + 1
clk_I/O
BOTTOM
BOTTOM
/8)
BOTTOM + 1
BOTTOM + 1
clk_I/O
OCRnx + 2
/8)
79
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