HT48RA0-1/HT48CA0-1    Remote Type 8-bit MCU

Revision # 1.70   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 # 1.60   Modifications made on March 13, 2007

• In the D.C. Characteristics table, the Max. value for VIL1 and Min. value for VIH1 were modified.

Revision # 1.50   Modifications made on November 8, 2006

• In the Absolute Maximum Ratings section, the I_OL, I_OH 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 # 1.40   Modifications made on December 21, 2005

• The Indirect Addressing Register section was modified.

Revision # 1.30   Modifications made on July 8, 2005

• In the Application Circuits section, the entries for PC0/REM was modified.

Revision # 1.20   Modifications made on June 6, 2005

• A Technical Document section was added.

Revision # 1.10   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 for the Low Voltage Reset - LVR section, the lower value for the V_DD 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 # 1.00   This was posted on June 3, 2004