358
7647H–AVR–03/12
Atmel ATmega16/32/64/M1/C1
33. Datasheet Revision History for ATmega16/32/64/M1/C1
Please note that the following page numbers referred to in this section refer to the specific revi-
sion mentioned, not to this document.
33.1 7647H
1. Package drawing updated
2. ADC description updated
33.2 7647G
1. Errata list updated
2. DAC description updated
33.3 7647F
1. Package Information updated
2. Stack pointer updated
33.4 7647E
1. Flash Boot Loader Parameters updated
2. DC Characteristics updated
3. ISRC - Current Source updated
4. Analog Comparator updated
5. Clock Characteristics updated
6. ADC noise canceller updated
7. Brown-out Detection updated
8. Ordering Information updated
9. ADC Characteristics updated
10. Typical Characteristics updated
33.5 7647D
1. Manufacturing Calibration update.
2. Errata update
33.6 7647C
1. Added ATmega16M1 product offering.
2. Modified Clock Distribution diagram, Figure 5-1 on page 29.
3. Modified PLL Clocking Sytem diagram, Figure 5-3 on page 35.
4. Modified Section 5.6.1 “Internal PLL” on page 34.
5. Updated Analog Comparator Hysteresis Voltage, Section 26.2 “DC Characteristics” on
page 317.
6. Updated Current Source Value, Section 26.2 “DC Characteristics” on page 317.
7. Updated Table 25-12 on page 303.
8. Updated Table 25-13 on page 303.
9. Added PCICR definition “Register Summary” on page 347.
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