ATTINY261V-10SU Atmel, ATTINY261V-10SU Datasheet - Page 24
![IC MCU AVR 2K FLASH 10MHZ 20SOIC](/photos/6/80/68042/453-20-soic_sml.jpg)
ATTINY261V-10SU
Manufacturer Part Number
ATTINY261V-10SU
Description
IC MCU AVR 2K FLASH 10MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATAVRMC321.pdf
(242 pages)
Specifications of ATTINY261V-10SU
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 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)
Package
20SOIC
Device Core
AVR
Family Name
ATtiny
Maximum Speed
10 MHz
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
16
Interface Type
USI
On-chip Adc
11-chx10-bit
Number Of Timers
2
For Use With
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Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY261V-10SU
Manufacturer:
Atmel
Quantity:
3 989
Part Number:
ATTINY261V-10SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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6. Clock System
6.1
6.1.1
6.1.2
24
Clock Subsystems
ATtiny261/461/861
CPU Clock – clk
I/O Clock – clk
I/O
Figure 6-1
the clocks need not be active at a given time. In order to reduce power consumption, the clocks
to modules not being used can be halted by using different sleep modes, as described in
Management and Sleep Modes” on page
Figure 6-1.
The clock subsystems are detailed in the sections below.
The CPU clock is routed to parts of the system concerned with operation of the AVR core.
Examples of such modules are the General Purpose Register File, the Status Register and the
Data memory holding the Stack Pointer. Halting the CPU clock inhibits the core from performing
general operations and calculations.
The I/O clock is used by the majority of the I/O modules, like Timer/Counter. The I/O clock is
also used by the External Interrupt module, but note that some external interrupts are detected
by asynchronous logic, allowing such interrupts to be detected even if the I/O clock is halted.
CPU
clk
PCK
General I/O
Modules
Oscillator
PLL
presents the principal clock systems and their distribution in ATtiny261/461/861. All of
clk
PLL
Clock Distribution
General I/O
Modules
External Clock
clk
I/O
Source clock
System Clock
Control Unit
AVR Clock
Multiplexer
Prescaler
Clock
ADC
Oscillator
Crystal
clk
ADC
36.
clk
clk
Crystal Oscillator
CPU
Low-Frequency
FLASH
Calibrated RC
Oscillator
CPU Core
Reset Logic
Watchdog clock
Watchdog Timer
RAM
Watchdog
Oscillator
Flash and
2588E–AVR–08/10
EEPROM
Calibrated RC
Oscillator
“Power
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