Revision # 2.20   Modifications made on June 10, 2011

• In the Features section and other related sections, the 48-pin LQFP package was added.

Revision # 2.10   Modifications made on December 22, 2008

• In the Reset section, the TO & PDF Flag table was modified
  　
• In the Reset section, the STATUS and INTC entries in the register reset status table were modified.
  　
• The SIES Register table was modified.
  　
• The Application Circuits section was modified.
  　
• The Product Tape and Reel Specifications section was modified.

Revision # 2.00   Modifications made on June 16, 2008

• lIn the Features and other related sections, the operating voltage range has been modified.
• In the Reset section, the register reset status table was modified.
• In the USC register table, the RMWK Label contents was modified.
• In the SCC register table, the LVD Label contents was modified.

Revision # 1.90   Modifications made on April 29, 2008

• In the Features and D.C. Characteristics section, the operating voltage range was modified.

Revision # 1.80   Modifications made on April 16, 2008

• In the D.C. Characteristics table, the V_IL, V_IH and I_STB entries was modified.

Revision # 1.70   Modifications made on March 19, 2008

• In the Features, Pin Assignment and other related sections, a new 32-pin QFN package type was added.

Revision # 1.60   Modifications made on December 7, 2007

• In the A.C. Characteristics table, the t_RES Unit was modified.
  　
• The contents of the USR line in the reset table was modified.
  　
• The Application Circuits section was modified.

Revision # 1.50   Modifications made on October 11, 2007

• In the Features section, the original USB 1.1 has now been replaced with USB 2.0.

Revision # 1.40   Modifications made on July 17, 2007

• In the Features section, the Operating voltage has been modified.
• In the Reset section, the USC, USR and STATUS entries in the register reset status table were modified.
• In the Reset section, the PDF flag value in the Reset Condition table was modified.

Revision # 1.30   Modifications made on June 25, 2007

• At the D.C. Characteristics table, the ISTB3 Parameter, the Conditions have been modified.
• The TMR0, USC and USR lines in the reset table have been modified.
• The System Clock Control Register section, the SUSPEND2 description has been added.
• The SCC register table, the SUSPEND2 Label contents has been added.

Revision # 1.20   Modifications made on November 8, 2006

• As there is no external interrupt function within this device and no external interrupt pin, all previous references to the external interrupt operation and interrupt pin have been removed.
• The TMR1H, TMR1L USC and SCC lines in the reset table have been modified.
• The SCC register table contents have been modified.

Revision # 1.10   Modifications made on August 25, 2006

• 40-pin DIP package was removed from the Features and other related sections.

Revision # 1.00   This was posted on November 22, 2005