Datasheet

430
ATmega16U4/32U4 [DATASHEET]
Atmel-7766J-USB-ATmega16U4/32U4-Datasheet_04/2016
36.4 Rev. 7766G – 02/2014
36.5 Rev. 7766F – 11/10
36.6 Rev. 7766E – 04/10
1.
Updated the “Description” on page 177 of the “Output Compare Modulator (OCM1C0A)” .
Specified when the logical AND and the logical OR will be performed based on the PORTB7.
2.
Updated “USART Control and Status Register n D– UCSRnD” on page 213. “Bits 7:2 -
Reserved” are Read only.
3.
Updated “Crystal-less Operation” on page 259. The temperature range changed to “within the
0C and +40C.
4. MUX bit in “ADC Control and Status Register B – ADCSRB” on page 294 changed to R/W.
5.
Updated Table 24-6 on page 318. Trigger Source: Timer/Counter0 Compare Match updated
to Timer/Counter0 Compare Match A.
6.
Updated “DC Characteristics” on page 383. Added Active 16MHz, V
CC
= 5V, max. 27mA, in
“Icc / Power supply current”.
7. Updated “Register Summary” on page 414. Added UCSRnD at the address CBh.
8.
Replaced the “TQFP44” on page 423 and “QFN44” on page 424 by updated package
drawings.
9. Updated the last page according to Atmel new Brand Style Guide (new logo).
1. Replaced the “QFN44” on page 424 by an updated drawing.
2.
Updated “ADC Control and Status Register B – ADCSRB” on page 294. Defined the
ADCSRB register as in “ADC Control and Status Register B – ADCSRB” on page 317.
3. Updated the last page according to Atmel new Brand Style Guide.
1. Updated “Features” on page 1.
2. Updated “Features” on page 256.
3. Updated Figure 21-9 on page 261.
4. Updated Section 21.8 on page 263.
5. Updated “Features” on page 297.
6. Updated “Boundary-scan Order” on page 332.
7. Updated “Program And Data Memory Lock Bits” on page 353.
8. Updated Table 28-5 on page 355.
9. Updated “Electrical Characteristics” on page 383.
10. Updated Figure 29-2 on page 386.