Document
Cost-Effective A/D Flash MCU with EEPROM
HT66F002/HT66F0025/HT66F003/HT66F004
Revision: V2.10 Date: November 19, 2019
HT66F002/HT66F0025/HT66F003/HT66F004 Cost-Effective A/D Flash MCU with EEPROM
Table of Contents
Features............................................................................................................ 6
CPU Features.......................................................................................................................... 6 Peripheral Features.................................................................................................................. 6
General Description......................................................................................... 7 Selection Table................................................................................................. 7 Block Diagram.................................................................................................. 8 Pin Assignment................................................................................................ 8 Pin Description............................................................................................... 10 Absolute Maximum Ratings.......................................................................... 14 D.C. Characteristics....................................................................................... 15 A.C. Characteristics....................................................................................... 16 A/D Converter Electrical Characteristics..................................................... 16 OPA Electrical Characteristics...................................................................... 17 LVR Electrical Characteristics...................................................................... 17 LCD Electrical Characteristics – HT66F004................................................. 17 Power on Reset Electrical Characteristics.................................................. 18 System Architecture....................................................................................... 18
Clocking and Pipelining.......................................................................................................... 18 Program Counter.................................................................................................................... 19 Stack...................................................................................................................................... 20 Arithmetic and Logic Unit – ALU............................................................................................ 20
Flash Program Memory................................................................................. 21
Structure................................................................................................................................. 21 Special Vectors...................................................................................................................... 21 Look-up Table......................................................................................................................... 21 Table Program Example......................................................................................................... 22 In Circuit Programming – ICP................................................................................................ 23 On-Chip Debug Support – OCDS.......................................................................................... 23
RAM Data Memory.......................................................................................... 24
Structure................................................................................................................................. 24 General Purpose Data Memory............................................................................................. 24 Special Purpose Data Memory.............................................................................................. 24
Special Function Register Description........................................................ 28
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 28 Memory Pointers – MP0, MP1............................................................................................... 28 Bank Pointer – BP.................................................................................................................. 29 Accumulator – ACC................................................................................................................ 29 Program Counter Low Register – PCL................................................................................... 29 Look-up Table Registers – TBLP, TBLH................................................................................. 29
Rev. 2.10
2 November 19, 2019
HT66F002/HT66F0025/HT66F003/HT66F004 Cost-Effective .