ATTINY12V-1SUR Atmel, ATTINY12V-1SUR Datasheet - Page 92

• Manufacturer Part Number: ATTINY12V-1SUR
• Description: IC AVR MCU 1K FLASH 4MHZ 8-SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY12V-1SUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 1.2MHz
• Peripherals: POR, WDT
• Number Of I /o: 6
• Program Memory Size: 1KB (512 x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Processor Series: ATTINY12
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 64 B
• Interface Type: SPI
• Maximum Clock Frequency: 1.2 MHz
• Operating Supply Voltage: 1.8 V to 5.5 V
• Mounting Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Ram Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

Table of Contents
1006F–AVR–06/07
Features................................................................................................. 1
Pin Configuration.................................................................................. 1
Description ............................................................................................ 2
Architectural Overview......................................................................... 8
Timer/Counter0 ................................................................................... 33
Watchdog Timer.................................................................................. 36
ATtiny12 EEPROM Read/Write Access............................................. 38
Analog Comparator ............................................................................ 41
I/O Port B ............................................................................................. 43
Memory Programming........................................................................ 46
ATtiny11 Block Diagram ....................................................................................... 2
ATtiny12 Block Diagram ....................................................................................... 4
Pin Descriptions.................................................................................................... 5
Clock Options ....................................................................................................... 5
General-purpose Register File.............................................................................. 9
ALU – Arithmetic Logic Unit................................................................................ 10
Flash Program Memory ...................................................................................... 10
Program and Data Addressing Modes................................................................ 10
Subroutine and Interrupt Hardware Stack .......................................................... 12
EEPROM Data Memory...................................................................................... 13
Memory Access and Instruction Execution Timing ............................................. 13
I/O Memory ......................................................................................................... 14
Reset and Interrupt Handling.............................................................................. 15
ATtiny12 Internal Voltage Reference.................................................................. 24
Interrupt Handling ............................................................................................... 25
Sleep Modes for the ATtiny11 ............................................................................ 31
Sleep Modes for the ATtiny12 ............................................................................ 31
ATtiny12 Calibrated Internal RC Oscillator ......................................................... 32
Timer/Counter Prescaler..................................................................................... 33
Prevent EEPROM Corruption ............................................................................. 40
Program (and Data) Memory Lock Bits .............................................................. 46
Fuse Bits in ATtiny11.......................................................................................... 46
Fuse Bits in ATtiny12.......................................................................................... 46
Signature Bytes .................................................................................................. 47
Calibration Byte in ATtiny12 ............................................................................... 47
Programming the Flash and EEPROM............................................................... 47
High-voltage Serial Programming....................................................................... 48
ATtiny11/12
i