ATTINY461A-SU Atmel, ATTINY461A-SU Datasheet - Page 104
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ATTINY461A-SU
Manufacturer Part Number
ATTINY461A-SU
Description
IC MCU AVR 4K FLASH 20MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY461A-SU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
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)
1.8 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Controller Family/series
ATtiny
No. Of I/o's
16
Eeprom Memory Size
256Byte
Ram Memory Size
256Byte
Cpu Speed
20MHz
Rohs Compliant
Yes
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY461A-SU
Manufacturer:
FSC
Quantity:
30 000
Part Number:
ATTINY461A-SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATTINY461A-SUR
Manufacturer:
HITTIE
Quantity:
2 140
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12.9
104
Timer/Counter Timing Diagrams
ATtiny261A/461A/861A
Table 12-7.
The Timer/Counter is a synchronous design and the timer clock (clk
clock enable signal in the following figures. The figures include information on when Interrupt
Flags are set.
Figure 12-15
sequence close to the MAX value in all modes other than Phase and Frequency Correct PWM
Mode.
Figure 12-15. Timer/Counter Timing Diagram, no Prescaling
Figure 12-16
than Phase and Frequency Correct PWM Mode.
Figure 12-16. Timer/Counter Timing Diagram, with Prescaler (f
Figure 12-17
TCNTn
(clk
COM1D1
0
0
1
1
TCNTn
TOVn
(clk
TOVn
clk
clk
clk
clk
PCK
PCK
PCK
Tn
PCK
Tn
/1)
/8)
contains timing data for basic Timer/Counter operation. The figure shows the count
shows the setting of OCF1A, OCF1B and OCF1D in all modes.
shows the same timing data, but with the prescaler enabled, in all modes other
Configuration of Output Compare Pins OC1D and OC1D in PWM6 Mode
COM1D0
0
1
0
1
TOP - 1
TOP - 1
OC1D Pin (PB4)
Disconnected
OC1A •
OC1A •
OC1A •
TOP
TOP
OC1OE4
OC1OE4
OC1OE4
BOTTOM
clkT1
BOTTOM
/8)
Disconnected
OC1A •
OC1A •
OC1A •
OC1D Pin (PB5)
T1
) is therefore shown as a
OC1OE5
OC1OE5
OC1OE5
BOTTOM + 1
BOTTOM + 1
8197B–AVR–01/10
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