Revision # 2.20   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 Package Information section was modified.
  　
• The Product Tape and Reel Specifications section was modified.

Revision # 2.10   Modifications made on June 18, 2008

• In the Timer/Event Counter section, the labels for bits 6 and 7 in the Timer/Event Counter control registers have been changed.
• In the Reset section, the register reset status table was modified.
• The Instruction Set section was modified.
• The Instruction Definition section was modified.

Revision # 2.00   Modifications made on April 16, 2008

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

Revision # 1.90   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 # 1.80   Modifications made on December 28, 2007

• In the D.C. Characteristics table, new C_OSC1 and C_OSC2 Parameters were added.

Revision # 1.70   Modifications made on December 7, 2007

• The Application Circuits section was modified.

Revision # 1.60   Modifications made on October 11, 2007

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

 Revision # 1.50   Modifications made on August 7, 2007

• In the Reset section, the PIPE_CTRL, STALL, SIES and USR entries in the register reset status table were modified.
• The Suspend Wake-up and Remote Wake-up section was modified.
• The EOT bit in the SIES register and function table was changed to a reserved bit.
• The default values of the PIPE_CTRL and STALL registers in the STALL and PIPE, PIPE_CTRL, Endpt_EN Registers section were modified.
• In the SCC register table, the SUSP2 Label contents was modified.

Revision # 1.40   Modifications made on July 16, 2007

• In the Features and other related sections, the operating voltage range has been modified.
• In the D.C. Characteristics table, an ISTB3 entry was added.
• In the Reset section, the TMR0, TMR1H, TRM1L 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.
• In the SCC register table, the SUSP2 Label contents was modified.

Revision # 1.30   Modifications made on August 25, 2006

• 20-pin SOP/SSOP packages were removed from the Features and other related sections.

Revision # 1.20   Modifications made on October 24, 2005

• The entries of PIPE_CTRL and Endpt_EN were added to all related register sections.

Revision # 1.10   Modifications made on July 27, 2005

• In the Application Circuits section, the entries for OSC1 was modified.

Revision # 1.00   This was posted on July 4, 2005