ATtiny44 datasheet(230/236 Pages) ATMEL

230 / 236 page

230

8006H–AVR–10/09

ATtiny24/44/84

27.5

Rev D. 08/06

27.6

Rev C. 07/06

27.7

Rev B. 05/06

27.8

Rev A. 12/05

Initial revision.

Updated “Calibrated Internal 8 MHz Oscillator” on page 26.

Updated “OSCCAL – Oscillator Calibration Register” on page 30.

Added Table 20-2 on page 176.

Updated code examples in “SPI Master Operation Example” on page 119.

Updated code examples in “SPI Slave Operation Example” on page 121.

Updated “Signature Bytes” on page 162.

Updated Features in “USI – Universal Serial Interface” on page 117.

Added “Clock speed considerations” on page 123.

Updated Bit description in “ADMUX – ADC Multiplexer Selection Register” on page 145.

Added note to Table 18-1 on page 157.

Updated “Default Clock Source” on page 30

Updated “Power Reduction Register” on page 35.

Updated Table 20-4 on page 177, Table 9-4 on page 42, Table 16-3 on page 145,

Table 19-5 on page 161, Table 19-12 on page 165, Table 19-16 on page 171, Table 20-

11 on page 182.

Updated Features in “Analog to Digital Converter” on page 132.

Updated Operation in “Analog to Digital Converter” on page 132.

Updated “Temperature Measurement” on page 144.

Updated DC Characteristics in “Electrical Characteristics” on page 174.

Updated “Typical Characteristics” on page 185.

Updated “Errata” on page 223.

ATtiny44 데이터시트(PDF) 230 Page - ATMEL Corporation