Datasheet

24
ATtiny25/45/85 [DATASHEET]
2586QS–AVR–08/2013
– Tape & reel part numbers in Ordering Information, in Section 6.1 “ATtiny25” on page 11 and Section
6.2 “ATtiny45” on page 12
2. Updated:
– “Features” on page 1, removed Preliminary from ATtiny25
– Section 8.4.2 “Code Example” on page 44
– “PCMSK – Pin Change Mask Register” on page 52, Bit Descriptions
– “TCCR1 – Timer/Counter1 Control Register” on page 89 and “GTCCR – General Timer/Counter1
Control Register” on page 90, COM bit descriptions clarified
– Section 20.3.2 “Calibration Bytes” on page 150, frequencies (8 MHz, 6.4 MHz)
– Table 20-11, “Minimum Wait Delay Before Writing the Next Flash or EEPROM Location,” on page 153,
value for t
WD_ERASE
– Table 20-16, “High-voltage Serial Programming Instruction Set for ATtiny25/45/85,” on page 158
– Table 21-1, “DC Characteristics. T
A
= -40C to +85C,” on page 161, notes adjusted
– Table 21-11, “Serial Programming Characteristics, T
A
= -40C to +85C, V
CC
= 1.8 - 5.5V (Unless
Otherwise Noted),” on page 170, added t
SLIV
– Bit syntax throughout the datasheet, e.g. from CS02:0 to CS0[2:0].
9.7 Rev. 2586K-01/08
1. Updated Document Template.
2. Added Sections:
– “Data Retention” on page 6
– “Low Level Interrupt” on page 49
– “Device Signature Imprint Table” on page 149
3. Updated Sections:
– “Internal PLL for Fast Peripheral Clock Generation - clkPCK” on page 24
– “System Clock and Clock Options” on page 23
– “Internal PLL in ATtiny15 Compatibility Mode” on page 24
– “Sleep Modes” on page 34
– “Software BOD Disable” on page 35
– “External Interrupts” on page 49
– “Timer/Counter1 in PWM Mode” on page 97
– “USI – Universal Serial Interface” on page 108
– “Temperature Measurement” on page 133
– “Reading Lock, Fuse and Signature Data from Software” on page 143
– “Program And Data Memory Lock Bits” on page 147
– “Fuse Bytes” on page 148
– “Signature Bytes” on page 150
– “Calibration Bytes” on page 150
– “System and Reset Characteristics” on page 165
4. Added Figures:
– “Reset Pin Output Voltage vs. Sink Current (V
CC
= 3V)” on page 184
– “Reset Pin Output Voltage vs. Sink Current (V
CC
= 5V)” on page 185
– “Reset Pin Output Voltage vs. Source Current (V
CC
= 3V)” on page 185