HT82K94E/HT82K94A USB Multimedia Keyboard Encoder 8-Bit MCU Revision # 2.40 Modifications made on November 5, 2014 A Power-on Reset Characteristics section was added. The Package Information section was modified. Revision # 2.30 Modifications made on May 18, 2012 In the D.C. Characteristics section, the I/O port sink, source current and pull-high resistance parameter were modified. 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 In the D.C. Characteristics table, the VIL, VIH and ISTB entries was modified. Revision # 1.70 Modifications made on April 16, 2008 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 tRES 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 In the Features and other related sections the 40-pin DIP packages were removed. Revision # 1.00 This was posted on November 22, 2005