Datasheet

19
8197CS–AVR–05/11
ATtiny261A/461A/861A
9. Datasheet Revision History
9.1 Rev. 8197C – 05/11
1. Added:
– Section 3.3 “Capacitive Touch Sensing” on page 6
– Section 4. “CPU Core” on page 7
– Table 6-10, “Capacitance of Low-Frequency Crystal Oscillator,” on page 29
– Table 15-5 on page 157
– Section 19.7 “Analog Comparator Characteristics” on page 193
– Table 19-8 on page 191
– Table 19-9 on page 192
– Tape & reel part numbers in Section 23. “Ordering Information” on page 281
– Ordering codes for ATtiny261A with extended temperature, on page 281
2. Updated:
– Section 6.4 “Clock Output Buffer” on page 32 (CLKO)
– Figure 15-1 on page 142, “Analog to Digital Converter Block Schematic”, changed
INTERNAL 1.18V REFERENCE to 1.1V
– Table 18-8 on page 171, No. of Pages in the EEPROM from 64 to 32 for ATtiny261A
– Table 19-1 on page 185
– Section 19.3 “Speed” on page 187
– Characteristic plots Figure 20-3 on page 200, Figure 20-8 on page 202, Figure 20-
54 on page 226, Figure 20-59 on page 228, Figure 20-105 on page 252, and Figure
20-110 on page 254
– Bit syntax throughout the datasheet, e.g. from CS02:0 to CS0[2:0]
3. Deleted:
– “Preliminary” status. All devices now final and in production.
– “Disclaimer” on page 6.
9.2 Rev. 8197B – 01/10
1. Updated 32M1-A drawing in Section 24. “Packaging Information” on page 284.
9.3 Rev. 8197A – 10/09
1. Initial revision created from document 2588C (ATtiny261/461/861)
2. Updated "Ordering Information" on page 281, page 282 and page 283. Pb-plated pack-
ages are no longer offered and there are no separate ordering codes for commercial
operation range, the only available option now is industrial. Also, added new package
options
3. Added sections:
– “Software BOD Disable” on page 36
– “ATtiny461A” on page 225
– “ATtiny861A” on page 251
4. Updated sections:
– “Stack Pointer” on page 11