HT67F488/HT67F489
Enhanced A/D Type 8-Bit Flash MCU with LCD
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 6
General Description.......................................................................................... 7
Selection Table.................................................................................................. 8
Block Diagram................................................................................................... 8
Pin Assignment................................................................................................. 9
Pin Description............................................................................................... 10
Absolute Maximum Ratings........................................................................... 13
D.C. Characteristics........................................................................................ 13
A.C. Characteristics........................................................................................ 16
A/D Converter Electrical Characteristics...................................................... 16
LVD & LVR Electrical Characteristics........................................................... 17
Power on Reset 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......................................................................................................................... 22
Table Program Example......................................................................................................... 22
In Circuit Programming – ICP................................................................................................ 23
On-Chip Debug Support – OCDS.......................................................................................... 24
RAM Data Memory.......................................................................................... 25
Structure................................................................................................................................. 25
General Purpose Data Memory ............................................................................................ 25
Special Purpose Data Memory ............................................................................................. 26
Special Function Register Description......................................................... 27
Indirect Addressing Register – IAR0, IAR1, IAR2.................................................................. 27
Memory Pointers – MP0, MP1L, MP1H, MP2L, MP2H.......................................................... 27
Accumulator – ACC................................................................................................................ 28
Program Counter Low Register – PCL .................................................................................. 28
Look-up Table Registers – TBLP, TBHP, TBLH ..................................................................... 29
Status Register – STATUS .................................................................................................... 29
Rev. 1.30
2 March 12, 2014
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