HT45F12 datasheet(2/104 Pages) HOLTEK

2 / 104 page

Rev. 0.00

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�e�te��e� �� 01�

Rev. 0.00

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HT45F12

8-Bit Flash MCU with Op Amps & Comparators

HT45F12

8-Bit Flash MCU with Op Amps & Comparators

Table of Contents

Features............................................................................................................ 6

CPU Featu�es ......................................................................................................................... �

Pe�i�he�al Featu�es................................................................................................................. �

General Description ........................................................................................ 7

Block Diagram.................................................................................................. 7

Pin Assignment................................................................................................ 8

Pin Description ................................................................................................ 9

Absolute Maximum Ratings.......................................................................... 10

D.C. Characteristics........................................................................................11

A.C. Characteristics....................................................................................... 13

OP Amplifier Electrical Characteristics ....................................................... 14

Comparator Electrical Characteristics ........................................................ 14

LDO 2.4V Electrical Characteristics............................................................. 15

LDO 3.3V Electrical Characteristics............................................................. 15

Power-on Reset Characteristics................................................................... 15

System Architecture...................................................................................... 16

Clocking and Pi�elining......................................................................................................... 1�

P�og�a� Counte� – PC.......................................................................................................... 17

�tack ..................................................................................................................................... 18

A�ith�etic and Logic Unit – ALU ........................................................................................... 18

Flash Program Memory................................................................................. 19

�t�uctu�e................................................................................................................................ 19

��ecial Vecto�s ..................................................................................................................... 19

Look-u� Ta�le........................................................................................................................ �0

Ta�le P�og�a� Exa��le........................................................................................................ �1

In Ci�cuit P�og�a��ing ......................................................................................................... ��

RAM Data Memory......................................................................................... 23

�t�uctu�e................................................................................................................................ �4

Special Function Register Description........................................................ 25

Indi�ect Add�essing Registe�s – IAR0� IAR1 ......................................................................... �5

Me�o�y Pointe�s – MP0� MP1 .............................................................................................. �5

Bank Pointe� – BP................................................................................................................. ��

Accu�ulato� – ACC............................................................................................................... ��

P�og�a� Counte� Low Registe� – PCL.................................................................................. ��

Look-u� Ta�le Registe�s – TBLP� TBHP� TBLH..................................................................... ��

�tatus Registe� – �TATU�.................................................................................................... �7

�yste� Cont�ol Registe� – CTRL.......................................................................................... �8

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