ATTINY43U-SUR Atmel, ATTINY43U-SUR Datasheet - Page 89
ATTINY43U-SUR
Manufacturer Part Number
ATTINY43U-SUR
Description
MCU AVR 4KB FLASH 8MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY43U-SU.pdf
(182 pages)
Specifications of ATTINY43U-SUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
16
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8048B–AVR–03/09
Figure 12-8. Timer/Counter Timing Diagram, no Prescaling
Figure 12-9 on page 89
Figure 12-9. Timer/Counter Timing Diagram, with Prescaler (f
Figure 12-10 on page 89
except CTC mode and PWM mode, where OCRnA is TOP.
Figure 12-10. Timer/Counter Timing Diagram, Setting of OCFnx, with Prescaler (f
Figure 12-11 on page 90
and fast PWM mode where OCRnA is TOP.
TCNTn
TCNTn
(clk
TCNTn
(clk
OCRnx
(clk
OCFnx
TOVn
TOVn
clk
clk
clk
clk
clk
clk
I/O
I/O
I/O
I/O
I/O
Tn
I/O
Tn
Tn
/8)
/8)
/1)
OCRnx - 1
MAX - 1
MAX - 1
shows the same timing data, but with the prescaler enabled.
shows the setting of OCFnA and the clearing of TCNTn in CTC mode
shows the setting of OCFnB in all modes and OCFnA in all modes
OCRnx
MAX
MAX
OCRnx Value
OCRnx + 1
BOTTOM
BOTTOM
clk_I/O
/8)
BOTTOM + 1
BOTTOM + 1
clk_I/O
OCRnx + 2
/8)
89
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