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Atmel Electronic Components Datasheet

ATtiny12 Datasheet

8-bit Microcontroller

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Features
Utilizes the AVR® RISC Architecture
High-performance and Low-power 8-bit RISC Architecture
– 90 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Up to 8 MIPS Throughput at 8 MHz
Nonvolatile Program and Data Memory
– 1K Byte of Flash Program Memory
In-System Programmable (ATtiny12)
Endurance: 1,000 Write/Erase Cycles (ATtiny11/12)
– 64 Bytes of In-System Programmable EEPROM Data Memory for ATtiny12
Endurance: 100,000 Write/Erase Cycles
– Programming Lock for Flash Program and EEPROM Data Security
Peripheral Features
– Interrupt and Wake-up on Pin Change
– One 8-bit Timer/Counter with Separate Prescaler
– On-chip Analog Comparator
– Programmable Watchdog Timer with On-chip Oscillator
Special Microcontroller Features
– Low-power Idle and Power-down Modes
– External and Internal Interrupt Sources
– In-System Programmable via SPI Port (ATtiny12)
– Enhanced Power-on Reset Circuit (ATtiny12)
– Internal Calibrated RC Oscillator (ATtiny12)
Specification
– Low-power, High-speed CMOS Process Technology
– Fully Static Operation
Power Consumption at 4 MHz, 3V, 25°C
– Active: 2.2 mA
– Idle Mode: 0.5 mA
– Power-down Mode: <1 µA
Packages
– 8-pin PDIP and SOIC
Operating Voltages
– 1.8 - 5.5V for ATtiny12V-1
– 2.7 - 5.5V for ATtiny11L-2 and ATtiny12L-4
– 4.0 - 5.5V for ATtiny11-6 and ATtiny12-8
Speed Grades
– 0 - 1.2 MHz (ATtiny12V-1)
– 0 - 2 MHz (ATtiny11L-2)
– 0 - 4 MHz (ATtiny12L-4)
– 0 - 6 MHz (ATtiny11-6)
– 0 - 8 MHz (ATtiny12-8)
Pin Configuration
ATtiny11
PDIP/SOIC
(RESET) PB5
(XTAL1) PB3
(XTAL2) PB4
GND
1
2
3
4
8 VCC
7 PB2 (T0)
6 PB1 (INT0/AIN1)
5 PB0 (AIN0)
ATtiny12
PDIP/SOIC
(RESET) PB5
(XTAL1) PB3
(XTAL2) PB4
GND
1
2
3
4
8 VCC
7 PB2 (SCK/T0)
6 PB1 (MISO/INT0/AIN1)
5 PB0 (MOSI/AIN0)
8-bit
Microcontroller
with 1K Byte
Flash
ATtiny11
ATtiny12
Rev. 1006D–AVR–07/03
1


Atmel Electronic Components Datasheet

ATtiny12 Datasheet

8-bit Microcontroller

No Preview Available !

Description
The ATtiny11/12 is a low-power CMOS 8-bit microcontroller based on the AVR RISC
architecture. By executing powerful instructions in a single clock cycle, the ATtiny11/12
achieves throughputs approaching 1 MIPS per MHz, allowing the system designer to
optimize power consumption versus processing speed.
The AVR core combines a rich instruction set with 32 general-purpose working regis-
ters. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU),
allowing two independent registers to be accessed in one single instruction executed in
one clock cycle. The resulting architecture is more code efficient while achieving
throughputs up to ten times faster than conventional CISC microcontrollers.
Table 1. Parts Description
Device
Flash EEPROM
ATtiny11L
1K
-
ATtiny11
1K
-
ATtiny12V
1K
64 B
ATtiny12L
1K
64 B
ATtiny12
1K
64 B
Register
32
32
32
32
32
Voltage Range
2.7 - 5.5V
4.0 - 5.5V
1.8 - 5.5V
2.7 - 5.5V
4.0 - 5.5V
Frequency
0-2 MHz
0-6 MHz
0-1.2 MHz
0-4 MHz
0-8 MHz
ATtiny11 Block Diagram
The ATtiny11 provides the following features: 1K bytes of Flash, up to five general-pur-
pose I/O lines, one input line, 32 general-purpose working registers, an 8-bit
timer/counter, internal and external interrupts, programmable Watchdog Timer with
internal oscillator, and two software-selectable power-saving modes. The Idle Mode
stops the CPU while allowing the timer/counters and interrupt system to continue func-
tioning. The Power-down Mode saves the register contents but freezes the oscillator,
disabling all other chip functions until the next interrupt or hardware reset. The wake-up
or interrupt on pin change features enable the ATtiny11 to be highly responsive to exter-
nal events, still featuring the lowest power consumption while in the power-down modes.
The device is manufactured using Atmel’s high-density nonvolatile memory technology.
By combining an RISC 8-bit CPU with Flash on a monolithic chip, the Atmel ATtiny11 is
a powerful microcontroller that provides a highly-flexible and cost-effective solution to
many embedded control applications.
The ATtiny11 AVR is supported with a full suite of program and system development
tools including: macro assemblers, program debugger/simulators, in-circuit emulators,
and evaluation kits.
2 ATtiny11/12
1006D–AVR–07/03


Part Number ATtiny12
Description 8-bit Microcontroller
Maker Atmel
PDF Download

ATtiny12 Datasheet PDF






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