ATTINY20-CCUR Atmel, ATTINY20-CCUR Datasheet - Page 94
ATTINY20-CCUR
Manufacturer Part Number
ATTINY20-CCUR
Description
MCU AVR 2KB FLASH 12MHZ 15UFBGA
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY20-EK1.pdf
(224 pages)
Specifications of ATTINY20-CCUR
Core Processor
AVR
Core Size
8-Bit
Speed
12MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
12
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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ATtiny20
Figure 12-10. Timer/Counter Timing Diagram, Setting of OCF1x, no Prescaling
Figure 12-11
Figure 12-11. Timer/Counter Timing Diagram, Setting of OCF1x, with Prescaler (f
Figure 12-12
frequency correct PWM mode the OCR1x Register is updated at BOTTOM. The timing diagrams
will be the same, but TOP should be replaced by BOTTOM, TOP-1 by BOTTOM+1 and so on.
The same renaming applies for modes that set the TOV1 flag at BOTTOM.
(PC and PFC PWM)
OCRnx
TCNTn
and ICFn
OCFnx
(clk
(CTC and FPWM)
TOVn
(Update at TOP)
clk
clk
I/O
I/O
TCNTn
TCNTn
OCRnx
Tn
as TOP)
(clk
/8)
clk
clk
I/O
(FPWM)
I/O
Tn
/1)
(if used
shows the same timing data, but with the prescaler enabled.
shows the count sequence close to TOP in various modes. When using phase and
OCRnx - 1
TOP - 1
TOP - 1
Old OCRnx Value
OCRnx
OCRnx Value
TOP
TOP
OCRnx + 1
BOTTOM
TOP - 1
New OCRnx Value
BOTTOM + 1
OCRnx + 2
clk_I/O
8235B–AVR–04/11
TOP - 2
/8)
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