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ATTINY2313A

8-bit Microcontroller with 2/4K Bytes In-System Programmable Flash

Atmel Corporation 

ATtiny2313A/4313

9. Datasheet Revision History

9.1 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 15

– Section 19. “Self-Programming” on page 172

– Section 20. “Lock Bits, Fuse Bits and Device Signature” on page 177

– Section 21. “External Programming” on page 183

– Section 26. “Ordering Information” on page 259

9.2 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 34.

5. Added Section 7.3 “Power Reduction Register” on page 34.

6. Updated Table 7-2, “Sleep Mode Select,” on page 36.

7. Added Section 7.5.3 “BODCR – Brown-Out Detector Control Register” on page 37.

8. Added reset disable function in Figure 8-1 on page 38.

9. Added pin change interrupts PCINT1 and PCINT2 in Table 9-1 on page 47.

10. Added PCINT17..8 and PCMSK2..1 in Section 9.2 “External Interrupts” on page 48.

11. Added Section 9.3.4 “PCMSK2 – Pin Change Mask Register 2” on page 52.

12. Added Section 9.3.5 “PCMSK1 – Pin Change Mask Register 1” on page 52.

13. Updated Section 10.2.1 “Alternate Functions of Port A” on page 61.

14. Updated Section 10.2.2 “Alternate Functions of Port B” on page 62.

15. Updated Section 10.2.3 “Alternate Functions of Port D” on page 66.

16. Added UMSEL1 and UMSEL0 in Section 14.10.4 “UCSRC – USART Control and Sta-

tus Register C” on page 139.

17. Added Section 15. “USART in SPI Mode” on page 145.

18. Added USI Buffer Register (USIBR) in Section 16.2 “Overview” on page 155 and in Fig-

ure 16-1 on page 155.

19. Added Section 16.5.4 “USIBR – USI Buffer Register” on page 166.

20. Updated Section 19.6.3 “Reading Device Signature Imprint Table from Firmware” on

page 175.

19

8246BS–AVR–09/11

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