HT48R005/HT46R005
Table of Contents
Features ...............................................................................................5
CPU Features ........................................................................................................5
Peripheral Features ................................................................................................5
General Description ............................................................................5
Selection Table ....................................................................................6
Block Diagram .....................................................................................6
Pin Assignment ...................................................................................6
Pin Description ....................................................................................7
HT48R005..............................................................................................................7
HT46R005..............................................................................................................8
Absolute Maximum Ratings ...............................................................8
D.C. Characteristics ............................................................................9
A.C. Characteristics ..........................................................................10
ADC Characteristics..........................................................................11
Power-on Reset Characteristics ......................................................11
System Architecture .........................................................................12
Clocking and Pipelining ........................................................................................12
Program Counter..................................................................................................13
Stack ....................................................................................................................13
Arithmetic and Logic Unit - ALU ...........................................................................13
Program Memory...............................................................................14
Structure...............................................................................................................14
Special Vectors.....................................................................................................14
Look-up Table.......................................................................................................14
Table Program Example .......................................................................................15
Data Memory......................................................................................16
Structure...............................................................................................................16
Special Purpose Data Memory .............................................................................16
Special Function Registers ..............................................................17
Indirect Addressing Registers - IAR0, IAR1 .........................................................17
Memory Pointers - MP0, MP1..............................................................................17
Accumulator - ACC .............................................................................................17
Program Counter Low Register - PCL..................................................................18
Status Register - STATUS ...................................................................................18
Input/Output Ports and Control Registers .............................................................18
Rev. 1.20
ii
September 26, 2012