HT82B40A datasheet(1/58 Pages) HOLTEK

Part #	HT82B40A

Description	I/O MCU with USB Interface

PDF	58 Pages

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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HT82B40R/HT82B40A

I/O MCU with USB Interface

Rev. 1.50

1

February 17, 2011

General Description

The HT82B40R and HT82B40A are 8-bit high perfor-

mance, RISC architecture microcontroller devices spe-

cifically designed for multiple I/O control product

applications.

The advantages of low power consumption, I/O flexibility,

timer functions, integrated USB interface, Power Down

and wake-up functions, Watchdog timer etc, make the

devices extremely suitable for use in computer peripheral

product applications as well as many other applications

such as industrial control, consumer products, subsys-

tem controllers, etc.

The HT82B40A mask version type is fully pin and func-

tionally compatible with the HT82B40R OTP version de-

vice.

Features

· Operating voltage:

fSYS=6M/12MHz: 3.3V~5.5V

· Low voltage reset function

· 34 bidirectional I/O lines (max.)

· 8-bit programmable timer/event counter with

overflow interrupt

· 16-bit programmable timer/event counter with

overflow interrupt

· Watchdog Timer

· PS2 and USB modes supported

· USB 2.0 low speed function

· 3 endpoints supported - endpoint 0 included

· 4096´15 program memory

· 160´8 data memory RAM

· Integrated 1.5kW resistor between V33O and

USBPDN pins for USB applications

· Fully integrated 6MHz or 12MHz oscillator

· All I/O pins have wake-up functions

· Power-down function and wake-up feature reduce

power consumption

· 8-level subroutine nesting

· Up to 0.33ms instruction cycle with 12MHz system

clock at VDD=5V

· Bit manipulation instruction

· 15-bit table read instruction

· 63 powerful instructions

· All instructions in one or two machine cycles

· 20/28/48-pin SSOP, 20/32-pin QFN and

48-pin LQFP packages

Technical Document

· Application Note

- HA0075E MCU Reset and Oscillator Circuits Application Note

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