ATMEGA64L-8MI View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA64L-8MI

8-bit AVR® Microcontroller with 64K Bytes In-System Programmable Flash

Atmel Corporation 

Changes from Rev.

2490B-09/02 to Rev.

2490C-09/02

Changes from Rev.

2490A-10/01 to Rev.

2490B-09/02

10. Added section “EEPROM Write During Power-down Sleep Mode” on page 23.

11. Changed VHYST value to 120 in Table 19 on page 50.

12. Added information about conversion time for Differential mode with Auto

Triggering on page 234.

13. Added tWD_FUSE in Table 129 on page 309.

14. Updated “Packaging Information” on page 349.

1. Changed the Endurance on the Flash to 10,000 Write/Erase Cycles.

1. Added 64-pad MLF Package and updated “Ordering Information” on page 348.

2. Added the section “Using all Locations of External Memory Smaller than 64

KB” on page 33.

3. Added the section “Default Clock Source” on page 36.

4. Renamed SPMCR to SPMCSR in entire document.

5. Added Some Preliminary Test Limits and Characterization Data

Removed some of the TBD's and corrected data in the following tables and pages:

Table 2 on page 22, Table 7 on page 36, Table 9 on page 38, Table 10 on page 38,

Table 12 on page 39, Table 14 on page 40, Table 16 on page 41, Table 19 on page

50, Table 20 on page 54, Table 22 on page 56, “DC Characteristics” on page 326,

Table 132 on page 328, Table 135 on page 331, Table 137 on page 334, and Table

138 - Table 145.

6. Removed Alternative Algortihm for Leaving JTAG Programming Mode.

See “Leaving Programming Mode” on page 322.

7. Improved description on how to do a polarity check of the ADC diff results in

“ADC Conversion Result” on page 242.

8. Updated Programming Figures:

Figure 138 on page 294 and Figure 147 on page 307 are updated to also reflect that

AVCC must be connected during Programming mode. Figure 142 on page 303

added to illustrate how to program the fuses.

9. Added a note regarding usage of the “PROG_PAGELOAD (0x6)” and

“PROG_PAGEREAD (0x7)” instructions on page 314.

10. Updated “Two-wire Serial Interface” on page 196.

More details regarding use of the TWI Power-down operation and using the TWI as

master with low TWBRR values are added into the data sheet. Added the note at

the end of the “Bit Rate Generator Unit” on page 202. Added the description at the

end of “Address Match Unit” on page 203.

354 ATmega64(L)

2490G–AVR–03/04

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