HT48RA0-2/HT48CA0-2 Revision # 2.20 Remote Type 8-bit MCU Modifications made on September 5, 2008 In the Features and other related sections, the 20-pin SOP package was removed. Revision # 2.10 Modifications made on October 12, 2007 The Technical Document section was modified. In the Reset Section the Reset Circuit diagram was modified. The Application Circuits section was modified. The Instruction Set section was modified. The Instruction Definition section was modified. Revision # 2.00 Modifications made on March 9, 2007 In the D.C. Characteristics table, the Max. value for VIL1 and Min. value for VIH1 were modified. Revision # 1.90 Modifications made on November 8, 2006 In the Absolute Maximum Ratings section, the IOL, IOH Total and Total Power Dissipation values were added. In the DC Characteristics table the Test Conditions for the Low Voltage Reset Voltage were modified. In the AC Characteristics table the Low Voltage Width to Reset values were modified. Revision # 1.80 The Indirect Addressing Register section was modified. Revision # 1.70 Modifications made on July 8, 2005 In the Application Circuits section, the entries for PC0/REM was modified. Revision # 1.60 Modifications made on December 21, 2005 Modifications made on June 9, 2005 A Technical Document section was added. Revision # 1.50 Modifications made on July 23, 2004 In the D.C. Characteristics table, the Min. value for V LVR was deleted. In the Chip Reset Status table, a column for the WDT Time-out (HALT) was added. In the diagram on the Low Voltage Reset - LVR section, the lower value for the VDD was modified from 1.8V to 1.9V. In the Code Option table, the Time-out period equation was modified. In the table below the Application Circuits section, the entries of the column for Crystal or Resonator were modified. Revision # 1.40 Modifications made on June 3, 2004 In the Application Circuits section, the table for Crystal or Resonator values, was modified. Revision # 1.30 Modifications made on May 4, 2004 In the D.C. Characteristics table, the Min. value for the RPH was changed from 40k to 20k and the Max. value from 80k to 100k. Revision # 1.20 Modifications made on April 28, 2004 The Product Title was modified from 8-Bit Remote Type OTP MCU to Remote Type 8-Bit OTP MCU. In the register table, the entries for the PB register were modified. In the Input/Output ports section, a Note was added after the paragraphs. Revision # 1.10 Modifications made on April 8, 2004 In the A.C. Characteristics table, the tLVR Parameter was modified from Low Voltage Reset Delay Time to Low Voltage Width to Reset. All the entries of this row were all modified as well. In the Crystal Oscillator diagram, the resistor connected across OSC1 and OSC2 was removed. Revision # 1.00 This was posted on March 19, 2004