HT45F39 datasheet(2/102 Pages) HOLTEK

2 / 102 page

Rev. 1.10

July 01, 2016

Rev. 1.10

July 01, 2016

HT45F39/HT45F391

Ultrasonic Distance Measurement 8-bit Flash MCU

HT45F39/HT45F391

Ultrasonic Distance Measurement 8-bit Flash MCU

Table of Contents

Features............................................................................................................ 5

CPU Features ......................................................................................................................... 5

Peripheral Features................................................................................................................. 5

General Description......................................................................................... 6

Selection Table................................................................................................. 6

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

Pin Assignment................................................................................................ 7

Pin Descriptions .............................................................................................. 8

Absolute Maximum Ratings............................................................................ 9

D.C. Characteristics....................................................................................... 10

A.C. Characteristics....................................................................................... 10

A/D Characteristics.........................................................................................11

Shunt Regulator Electrical Characteristics − HT45F39 Only......................11

SCF Electrical Characteristics...................................................................... 13

Op Amplifier Electrical Characteristics ....................................................... 13

Power-on Reset Characteristics................................................................... 13

System Architecture...................................................................................... 14

Clocking and Pipelining......................................................................................................... 14

Program Counter................................................................................................................... 15

Stack ..................................................................................................................................... 16

Arithmetic and Logic Unit – ALU ........................................................................................... 16

Flash Program Memory................................................................................. 17

Structure................................................................................................................................ 17

Look-up Table........................................................................................................................ 18

Table Program Example........................................................................................................ 18

In Circuit Programming – ICP ............................................................................................... 19

On-Chip Debug Support – OCDS ......................................................................................... 20

In Application Programming – IAP ........................................................................................ 21

Data Memory .................................................................................................. 28

Structure................................................................................................................................ 28

Special Function Register Description........................................................ 29

Indirect Addressing Registers – IAR0, IAR1 ......................................................................... 29

Memory Pointers – MP0, MP1 .............................................................................................. 29

Accumulator – ACC............................................................................................................... 30

Program Counter Low Register – PCL.................................................................................. 30

Look-up Table Registers – TBLP, TBLH................................................................................ 30

Status Register – STATUS.................................................................................................... 30

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