Preliminary
HT45FM2C
Brushless DC Motor Flash Type 8-Bit MCU
Table of Contents
Features............................................................................................................. 7
CPU Features.......................................................................................................................... 7
Peripheral Features.................................................................................................................. 7
General Description.......................................................................................... 8
Block Diagram................................................................................................... 8
Pin Assignment................................................................................................. 9
Pin Description................................................................................................11
Absolute Maximum Ratings........................................................................... 14
D.C. Characteristics........................................................................................ 14
A.C. Characteristics ....................................................................................... 15
A/D Converter Characteristics....................................................................... 16
D/A Converter Characteristics....................................................................... 16
Operational Amplifier Characteristics.......................................................... 17
Comparator Electrical Characteristics......................................................... 17
Power on Reset Electrical Characteristics................................................... 17
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.......................................................................................................... 23
RAM Data Memory.......................................................................................... 24
Structure................................................................................................................................. 24
Special Function Register Description......................................................... 26
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 26
Memory Pointers – MP0, MP1............................................................................................... 26
Bank Pointer – BP.................................................................................................................. 27
Accumulator – ACC................................................................................................................ 27
Program Counter Low Register – PCL................................................................................... 27
Look-up Table Registers – TBLP, TBHP, TBLH...................................................................... 28
Status Register – STATUS..................................................................................................... 28
Rev. 1.10
2
May 30, 2012