HT47R20A-1/HT47C20-1    R-F Type 8-bit MCU

Revision # 1.80   Modifications made on June 23, 2008

• In the Features, Pin Assignment and other related sections, the 64-pin QFP package type was modified to a 64-pin LQFP package type.
• The Instruction Set section was modified.
• The Instruction Definition section was modified.

Revision # 1.70   Modifications made on June 14, 2005

• Technical Document section was added.
• Pad Assignment section was deleted.

Revision # 1.60   Modifications made on September 22, 2004

• At the D.C. Characteristics table, the Typ. value for I_DD3 was modified from 3mA to 4mA and the Max. value from 5mA to 8mA.

Revision # 1.50   Modifications made on June 1, 2004

• At the D.C. Characteristics table, the Min. value for the R_PH 3V was changed from 40kW to 20kW and the Max. value from 80kW to 100kW.
• At the Application Circuits section, the table for Crystal or Resonator values was modified.

Revision # 1.40   Modifications made on April 22, 2004

• The Product Title was modified from 8-Bit R-F Type MCU to R-F Type 8-Bit MCU.
• At the register table, the entries for the RTCC register were modified.
• At the RTCC Register table, the RT0~RT2 Reset value which was 0 was changed to 1.

Revision # 1.30   Modifications made on January 14, 2004

• At the Timer/Event Counter diagram, the previous symbols or labels TN2, TN1 and TN0 were changed to TM2, TM1 and TM0 respectively.

Revision # 1.20   Modifications made on January 9, 2004

• At the D.C. Characteristics table, the minimum value for the Low Voltage Reset V_LVR was changed from 2.7V to 2.5V.

Revision # 1.11   Modifications made on December 16, 2003

• At the Instruction Set Summary and Instruction Definition sections, the missing TABRDL [m] instructions were added back.

Revision # 1.00   This was posted on June 11, 2003