Datasheet

223
2586N–AVR–04/11
ATtiny25/45/85
– “Compare Mode Select in PWM Mode” on page 101
– “DC Characteristics. T
A
= -40°C to +85°C” on page 166
– “Calibration Accuracy of Internal RC Oscillator” on page 169
– “ADC Characteristics” on page 172
7. Updated Code Example in Section:
– “Write” on page 17
8. Updated Bit Descriptions in:
– “MCUCR – MCU Control Register” on page 38
– “Bits 7:6 – COM0A[1:0]: Compare Match Output A Mode” on page 80
– “Bits 5:4 – COM0B[1:0]: Compare Match Output B Mode” on page 80
– “Bits 2:0 – ADTS[2:0]: ADC Auto Trigger Source” on page 142
– “SPMCSR – Store Program Memory Control and Status Register” on page 149.
9. Updated description of feature “EEPROM read may fail at low supply voltage / low clock
frequency” in Sections:
– “Errata ATtiny25” on page 217
– “Errata ATtiny45” on page 217
– “Errata ATtiny85” on page 220
10. Updated Package Description in Sections:
– “ATtiny25” on page 209
– “ATtiny45” on page 210
– “ATtiny85” on page 211
11. Updated Package Drawing:
– “S8S1” on page 214
12. Updated Order Codes for:
– “ATtiny25” on page 209
28.5 Rev. 2586J-12/06
1. Updated “Low Power Consumption” on page 1.
2. Updated description of instruction length in “Architectural Overview” .
3. Updated Flash size in “In-System Re-programmable Flash Program Memory” on
page 15.
4. Updated cross-references in sections “Atomic Byte Programming” , “Erase” and
“Write” , starting on page 17.
5. Updated “Atomic Byte Programming” on page 17.
6. Updated “Internal PLL for Fast Peripheral Clock Generation - clkPCK” on page 24.
7. Replaced single clocking system figure with two: Figure 6-2 and Figure 6-3.
8. Updated Table 6-1 on page 25, Table 6-13 on page 30 and Table 6-6 on page 28.
9. Updated “Calibrated Internal Oscillator” on page 27.
10. Updated Table 6-5 on page 27.
11. Updated “OSCCAL – Oscillator Calibration Register” on page 32.
12. Updated “CLKPR – Clock Prescale Register” on page 33.
13. Updated “Power-down Mode” on page 36.