Contents
Table of Contents
Features ...............................................................................................6
CPU Features ........................................................................................................6
Peripheral Features................................................................................................6
General Description ............................................................................7
Selection Table ....................................................................................7
Block Diagram .....................................................................................8
Pin Assignment ...................................................................................9
Pin Description..................................................................................10
HT66F13 ..............................................................................................................10
HT66F14 ..............................................................................................................11
HT66F15 ..............................................................................................................12
Absolute Maximum Ratings .............................................................13
D.C. Characteristics ..........................................................................13
A.C. Characteristics ..........................................................................15
A/D Converter Characteristics .........................................................16
Power-on Reset Characteristics ......................................................17
System Architecture .........................................................................18
Clocking and Pipelining ........................................................................................18
Program Counter..................................................................................................19
Stack....................................................................................................................19
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
Accumulator - ACC..............................................................................................27
Rev. 1.10
2
February 9, 2011