Datasheet
266
8246B–AVR–09/11
ATtiny2313A/4313
29. Datasheet Revision History
29.1 Rev. 8246B – 10/11
1. Updated device status from Preliminary to Final.
2. Updated document template.
3. Added order codes for tape&reel devices, on page 259 and page 260
4. Updated figures:
– Figure 23-33 on page 223
– Figure 23-44 on page 228
– Figure 23-81 on page 247
– Figure 23-92 on page 252
5. Updated sections:
– Section 5. “Memories” on page 16
– Section 19. “Self-Programming” on page 173
– Section 20. “Lock Bits, Fuse Bits and Device Signature” on page 178
– Section 21. “External Programming” on page 184
– Section 26. “Ordering Information” on page 259
29.2 Rev. 8246A – 11/09
1. Initial revision. Created from document 2543_t2313.
2. Updated datasheet template.
3. Added VQFN in the Pinout Figure 1-1 on page 2.
4. Added Section 7.2 “Software BOD Disable” on page 35.
5. Added Section 7.3 “Power Reduction Register” on page 35.
6. Updated Table 7-2, “Sleep Mode Select,” on page 37.
7. Added Section 7.5.3 “BODCR – Brown-Out Detector Control Register” on page 38.
8. Added reset disable function in Figure 8-1 on page 39.
9. Added pin change interrupts PCINT1 and PCINT2 in Table 9-1 on page 48.
10. Added PCINT17..8 and PCMSK2..1 in Section 9.2 “External Interrupts” on page 49.
11. Added Section 9.3.4 “PCMSK2 – Pin Change Mask Register 2” on page 53.
12. Added Section 9.3.5 “PCMSK1 – Pin Change Mask Register 1” on page 54.
13. Updated Section 10.2.1 “Alternate Functions of Port A” on page 62.
14. Updated Section 10.2.2 “Alternate Functions of Port B” on page 63.
15. Updated Section 10.2.3 “Alternate Functions of Port D” on page 67.
16. Added UMSEL1 and UMSEL0 in Section 14.10.4 “UCSRC – USART Control and Sta-
tus Register C” on page 140.
17. Added Section 15. “USART in SPI Mode” on page 146.
18. Added USI Buffer Register (USIBR) in Section 16.2 “Overview” on page 156 and in Fig-
ure 16-1 on page 156.
19. Added Section 16.5.4 “USIBR – USI Buffer Register” on page 167.
20. Updated Section 19.6.3 “Reading Device Signature Imprint Table from Firmware” on
page 175.