Rainbow Electronics ATmega32L - Manual (Page 307)

307
ATmega32(L)
2503C–AVR–10/02
Data Sheet Change
Log for ATmega32
Please note that the referring page numbers in this section are referred to this docu-
ment. The referring revision in this section are referring to the document revision.
Changes from Rev.
2503A-03/02 to Rev.
2503B-10/02 1. Changed the endurance on the Flash to 10,000 Write/Erase Cycles.
2. Bit nr.4 – ADHSM – in SFIOR Register removed.
3. Added the section “Default Clock Source” on page 23.
4. When using External Clock there are some limitations regards to change of
frequency. This is described in “External Clock” on page 29 and Table 118 on
page 286.
5. Added a sub section regarding OCD-system and power consumption in the
section “Minimizing Power Consumption” on page 32.
6. Corrected typo (WGM-bit setting) for:
– “Fast PWM Mode” on page 73 (Timer/Counter0)
– “Phase Correct PWM Mode” on page 74 (Timer/Counter0)
– “Fast PWM Mode” on page 118 (Timer/Counter2)
– “Phase Correct PWM Mode” on page 119 (Timer/Counter2)
7. Corrected Table 67 on page 162 (USART).
8. Updated V
IL
, I
IL
, and I
IH
parameter in “DC Characteristics” on page 284.
9. Updated Description of OSCCAL Calibration Byte.
In the data sheet, it was not explained how to take advantage of the calibration
bytes for 2, 4, and 8 MHz Oscillator selections. This is now added in the following
sections:
Improved description of “Oscillator Calibration Register – OSCCAL” on page 28 and
“Calibration Byte” on page 256.
10. Corrected typo in Table 42.
11. Corrected description in Table 45 and Table 46.
12. Updated Table 119, Table 121, and Table 122.
13. Added “Errata” on page 306.
Changes from Rev.
2503B-10/02 to Rev.
2503C-10/02 1. DC Characteristics on page 284-285 have been updated.