HT67F60 datasheet(99/242 Pages) HOLTEK

99 / 242 page

HT67F30/HT67F40/HT67F50/HT67F60

TinyPowerTM A/D Flash Type 8-Bit MCU with LCD & EEPROM

Rev. 1.50

March 06 , 2012

Rev. 1.50

March 06 , 2012

Timer Modules – TM

One of the most fundamental functions in any microcontroller device is the ability to control and

measure time. To implement time related functions each device includes several Timer Modules,

abbreviated to the name TM. The TMs are multi-purpose timing units and serve to provide

operations such as Timer/Counter, Input Capture, Compare Match Output and Single Pulse Output

as well as being the functional unit for the generation of PWM signals. Each of the TMs has either

two or three individual interrupts. The addition of input and output pins for each TM ensures that

users are provided with timing units with a wide and flexible range of features.

The common features of the different TM types are described here with more detailed information

provided in the individual Compact, Standard and Enhanced TM sections.

Introduction

The devices contain from two to four TMs depending upon which device is selected with each TM

having a reference name of TM0, TM1, TM2 and TM3. Each individual TM can be categorised as a

certain type, namely Compact Type TM, Standard Type TM or Enhanced Type TM. Although similar

in nature, the different TM types vary in their feature complexity. The common features to all of the

Compact, Standard and Enhanced TMs will be described in this section, the detailed operation

regarding each of the TM types will be described in separate sections. The main features and

differences between the three types of TMs are summarised in the accompanying table.

Function

CTM

STM

ETM

Timer/Counter

√

I/P Capture

—

√

Compare Match Output

—

√

PWM Channels

Single Pulse Output

—

PWM Alignment

Edge

Edge & Centre

PWM Adjustment Period & Duty

Duty or Period

TM Function Summary

Each device in the series contains a specific number of either Compact Type, Standard Type and

Enhanced Type TM units which are shown in the table together with their individual reference name,

TM0~TM3.

Device

TM0

TM1

TM2

TM3

HT67F30

10-bit CTM

10-bit ETM

—

HT67F40

10-bit CTM

10-bit ETM

16-bit STM

—

HT67F50

10-bit CTM

10-bit ETM

16-bit STM

10-bit CTM

HT67F60

10-bit CTM

10-bit ETM

16-bit STM

10-bit CTM

TM Name/Type Reference

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