HT46R065B HT Controller

HT46R065B Overview

The HT46R065B is a microcontroller IC that is part of Holtek Semiconductor's microcontroller product family. It is designed for embedded control applications and offers a set of features to facilitate control and processing tasks.

The Enhanced A/D MCUs are a series of 8-bit high performance, RISC architecture microcontrollers specifically designed for a wide range of applications. The usual Holtek microcontroller features of low power consumption, I/O flexibility, timer functions, oscillator options, power down and wake-up functions, watchdog timer and low voltage reset, combine to provide devices with a huge range of functional options while still main taining a high level of cost effectiveness. The fully integrated system oscillator HIRC, which requires no external components and which has three frequency selections, opens up a huge range of new application possibilities for these devices, some of which may include industrial control, consumer products, household appliances subsystem controllers, etc.

Features

CPU Features

• Operating voltage:

   fSYS= 4MHz: 2.2V~5.5V

   fSYS= 8MHz: 3.0V~5.5V

   fSYS= 12MHz: 4.5V~5.5V

• Up to 0.33μs instruction cycle with 12MHz system clock at VDD= 5V

• Oscillator types:

   External high freuency Crystal -- HXT

   External RC -- ERC

   Internal RC -- HIRC

   External low frequency crystal -- LXT

• Three operational modes: Normal, Slow, Sleep

• Fully integrated internal 4MHz, 8MHz and 12MHz os cillator requires no external components

• Watchdog Timer function

• LIRC oscillator function for watchdog timer

• All instructions executed in one or two instruction cycles

• Table read instructions

• 63 powerful instructions

• Up to 6-level subroutine nesting

• Bit manipulation instruction

• Low voltage reset function

• Wide range of available package types

Peripheral Features

• Up to 26 bidirectional I/O lines

• Up to 8 channel 12-bit ADC

• Up to 2 channel 8-bit PWM

• Software controlled 4-SCOM lines LCD driver with 1/2 bias

• External interrupt input shared with an I/O line

• Up to two 8-bit programmable Timer/Event Counter with overflow interrupt and prescaler

• Time-Base function

• Programmable Frequency Divider - PFD

Applications

Embedded Control: The HT46R065B is widely used in embedded control systems for various tasks, including real-time control, monitoring, and data processing.
Consumer Electronics: It can be applied in select consumer electronics products that require control and interface functions.
Home Automation: Used in home automation systems for control and monitoring of household devices and appliances.
Industrial Control: The microcontroller is suitable for industrial control systems, where precision control and data acquisition are essential.
Automotive Applications (Model-dependent): In certain automotive applications, it may be utilized for control tasks, engine management, and more.
IoT Devices: In IoT (Internet of Things) devices, it can be used to control and interface with sensors and communication modules.