General Description
HT82M21A is a 3D mouse controller especially designed for USB and PS/2 applications. The HT82M21A can support the USB Standard Request as well as HID Class Request version 1.1. It is compatible with Microsoft Intelli 3D PS/2 mouse. The Z-axis can support two kinds of scroller input, namely; optomechanical and mechanical. It requires minimal external components to implement 3D USB plus PS/2 optical mouse. It can be briefly described as a Holtek 8-bit MCU with an on-chip USB interface logic. The USB is specified by the Universal Serial Bus Specification V1.1.

Features
*Operating voltage: 4.4V~5.25V
*Complete Universal Serial Bus specs V1.1 compatibility
*Serial Bus Interface Engine (SIE)
*USB transceiver
*Microsoft 3D Intelli mouse and IBM PS/2 mouse compatible
*Supports three buttons (R, M, L) and Z-axis input
*Z-axis can support two kinds of scroller input (optomechanical and mechanical)
*Single chip solution especially for USB mouse function
*HALT function and wake-up feature reduce power consumption
*Plug and Play functions
*Minimal external components
*6MHz crystal oscillator for system clock
*Interface compliant with ADNS-2051, ADNS-2610 and ADNS-2620
*Pass WHQL, USB-IF and EMC testing
*18-pin DIP package

 

HT82M21A - 3-Key 3D USB+PS/2 Optical Mouse Controller

General Description
The HT1117 devices are a series of three-terminal high current low voltage regulators. They can deliver an output current of 1A and can accept input voltages up to 12V. The devices are available in both adjustable and fixed output voltage type with a range of 1.8V to 5.0V. Internal current limit and thermal protection circuits provide protection against overload conditions that could create excessive junction temperatures.

Features
*Output voltage ranges: Fixed range of 1.8V, 2.5V, 2.85V, 3.3V, 5.0V or adjustable type.
*High accuracy: 2%
*Low voltage drop: 1.1V (typ.), VOUT=5.0V at 1A
*Guaranteed output current: 1A
*Low quiescent current: 8mA (typ.)
*Integrated current limit & thermal protection circuits
*SOT-223 package

Applications
*Active SCSI terminations
*Post regulator for switching power supplies
*Low voltage microcontrollers
*Motherboard clock supplies
*Battery chargers

HT1117-ADJ, HT1117-18, HT1117-25, HT1117-28, HT1117-33, HT1117-50  

HT1117 - 1A General Purpose LDO

General Description
The HT93LC66 is a 4K-bit low voltage nonvolatile, serial electrically erasable programmable read only memory device using the CMOS floating gate process.
Its 4096 bits of memory are organized into 256 words of 16 bits each when the ORG pin is connected to VCC or organized into 512 words of 8 bits each when it is tied to VSS.
The device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential.
By popular microcontroller, the versatile serial interface including chip select (CS), serial clock (SK), data input (DI) and data output (DO) can be easily controlled.

Features
* Operating voltage: 2.2V~5.5V
* Low power consumption
- Operating: 5mA max.
- Standby: 10A max.
* User selectable internal organization
- 4K(HT93LC66): 5128 or 25616
* 3-wire Serial Interface
* Write cycle time: 5ms max.
* Automatic erase-before-write operation
* Word/chip erase and write operation
* Write operation with built-in timer
* Software controlled write protection
* 10-year data retention after 100K rewrite cycles
* 106 rewrite cycles per word
* Commercial temperature range (0C to +70C)
* 8-pin DIP/SOP/TSSOP package
 

HT93LC66 - CMOS 4K 3-Wire Serial EEPROM

General Description
The Cost-Effective A/D Type MCU Devices are a series of 8-bit high performance RISC architecture microcontrollers, designed especially for applications that interface directly to analog signals, such as those from sensors.
All devices include an integrated multi-channel Analog to Digital Converter in addition to
one or two Pulse Width Modulation outputs.
The usual Holtek MCU features such as power down and wake-up functions, oscillator options, programmable frequency divider, etc. combine to ensure user applications require
a minimum of external components.
The benefits of integrated A/D and PWM functions, in addition to low power consumption, high performance, I/O flexibility and low-cost, provide these devices with the versatility to suit a wide range of application possibilities such as sensor signal processing, motor driving, industrial control, consumer products, subsystem controllers, etc.
Many features are common to all devices, however, they differ in areas such as I/O pin
count, Program Memory capacity, A/D resolution, stack capacity and package types.

Features
* Operating voltage:
- fSYS=4MHz: 2.2V~5.5V
- fSYS=8MHz: 3.3V~5.5V
* 13 to 23 bidirectional I/O lines
* External interrupt input shared with an I/O line
* 8-bit programmable Timer/Event Counter with overflow interrupt and 7-stage prescaler
* On-chip crystal and RC oscillator
* Watchdog Timer function
* PFD for audio frequency generation
* Power down and wake-up functions to reduce power consumption
* Up to 0.5s instruction cycle with 8MHz system clock at VDD=5V
* 4 or 6-level subroutine nesting
* 4 channels 8 or 9-bit resolution A/D converter
* 1 or 2 channel 8-bitPWMoutput shared with I/O lines
* Bit manipulation instruction
* Table read instructions
* 63 powerful instructions
* All instructions executed in one or two machine cycles
* Low voltage reset function
* Range of packaging types

HT46R46
HT46C46
HT46C47
HT46R49
HT46R48A
HT46C48A
 

HT46R46 - Cost-Effective A/D Type 8-Bit MCU

General Description
 The HT82A832R is an 8-bit high performance RISC-like microcontroller designed for USB Phone product applications.
The HT82A832R combines a 16-bit PCM ADC, USB transceiver, SIE (Serial Interface Engine),
audio class processing unit, FIFO and an 8-bit MCU into a single chip.
The DAC in the HT82A832R operates at a sampling rate of 48kHz/8kHz and the 16-bit PCM ADC
operates at 8kHz for the Microphone input.
For the DAC, the HT82A832R has a digital programmable gain amplifier.
The gain range is from -32dB to +6dB. For the ADC input, the digital gain range is from 0dB to 19.5dB.

Features
* Operating voltage: fSYS = 6M/12MHz: 3.3V~5.5V
* 24 bidirectional I/O lines (max.)
* Two 16*bit programmable timer/event counters and overflow interrupts
* 4096x15 program memory ROM
* 192x8 data memory RAM (Bank 0)
* USB 2.0 full speed compatible
* USB spec V1.1 full speed operation and USB audio device class spec V1.0
* Embedded high*performance 16 bit PCM ADC
* Built*in Digital PGA (Programmable Gain Amplifier)
* 48kHz/8kHz sampling rate for audio playback controlled by software option
* 8kHz audio recording sampling rate
* Embedded class AB speaker driver power amplifier
* Embedded High Performance 16 bit audio DAC
* Supports audio playback digital volume control
* 5 endpoints supported (endpoint 0 included)
* Supports 1 Control, 2 Interrupt, 2 Isochronous transfer
* Two hardware implemented Isochronous transfers
* Total FIFO size: 464 bytes (8, 8, 384, 32, 32 for EP0~EP4)
* Programmable frequency divider (PFD)
* Integrated SPI hardware circuit
* Play/Record Interrupt
* HALT and wake*up features reduce power consumption
* Watchdog Timer
* 16*level subroutine nesting
* Bit manipulation instruction
* 15*bit table read instruction
* 63 powerful instructions
* All instructions executed within one or two machine cycles
* Low voltage reset function (3.0V0.3V)
* 48*pin SSOP/LQFP package

 

HT82A832R - USB Audio MCU