Atmel ATmega328P Xplained Mini MEGA328P-XMINI MEGA328P-XMINI 数据表

647

ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]

Atmel-8271H-AVR- ATmega-Datasheet_08/2014

3.

Removed the Power Save (Psave) maximum numbers for all devices throughout 

4.

Changed the powerdown maximum numbers from 8.5 and 3µA to 10 and 5µA (ATmega48PA, ATmega88PA, 
ATmega168PA and ATmega328P).

5.

Changed the table note “Maximum values are characterized values and not test limits in production” to “Max values 
are test limits in production throughout 

.

1.

Updated 

. Overlined “RESET” in 28 MLF top view and in 32 MLF top view.

2.

Added EEAR9 bit to the 

 and updated the all bit 

descriptions accordingly.

3.

Added a footnote “EEAR9 and EEAR8 are unused bits in ATmega48A/48PA and must always be written to zero” to 

.

4.

Updated 

. WGM2, WGM1 and WGM0 

changed to WGM22, WGM21 and WGM20 respectively.

5.

Updated 

. bit 2 (CS22) and bit 3 (WGM22) changed 

from R (read only) to R/W (read/write).

6.

Updated the definition of fosc on 

. fosc is the system clock frequency (not XTAL pin frequency)

7.

Updated 

. Bit 0 renamed SPMEN 

and added bit 5 “SIGRD”.

8.

Replaced “SELFPRGEN” by “SPMEN” throughout the whole datasheet including in the “code examples”, except in 

 and in 

9.

Updated 

 to include the bits: SIGRD and SPMEN in the SMPCSR register.

10.

Updated the 

. Removed the footnote.

11.

Updated the footnote of the 

. Removed the footnote “Note 2”.

12.

Updated 

. Added “Errata” TWI Data setup time can be too short.

1.

Added Atmel QTouch Sensing Capability Feature

2.

Updated 

 with PINxn as R/W.

3.

Added a footnote to the PINxn, 

.

4.

Updated 

. Added “ATmega328-MMH” and “ATmega328-MMHR”.

5.

Updated 

. Added “ATmega328P-MMH” and “ATmega328P-

MMHR”.

6.

Added 

 for ATmega48PA/88PA/168PA/328P @ 105

C

7.

Updated 

 and 

8.

Updated the datasheet according to the Atmel new brand style guide.

1.

Added 32UFBGA Pinout, 

.

2.

Updated the 

, 

.

3.

Updated 

 with CCU and CCUR code related to 

Package drawing.

4.

 Package drawing added