ht82k73e Holtek Semiconductor Inc., ht82k73e Datasheet
ht82k73e
Manufacturer Part Number
ht82k73e
Description
2.4ghz Keyboard Tx 8-bit Otp Mcu
Manufacturer
Holtek Semiconductor Inc.
Datasheet
1.HT82K73E.pdf
(49 pages)
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Technical Document
Features
General Description
The device is an 8-bit high performance, RISC architec-
ture microcontroller devices specifically designed for
multiple I/O control product applications.
Block Diagram
Rev. 1.00
Tools Information
FAQs
Application Note
Operating voltage:
f
f
39 bidirectional I/O lines
Watchdog Timer function
Single 16-bit internal timer with overflow interrupt and
timer input
27MHz external crystal oscillator and 4MHz external
RC mode
Two bit to define micro-controller system clock
(f
Built-in DC/DC to provide stable (2.8, 3.1, 3.4, 3.8,
4.1, 4.6V use OTP option) VDD with error 5%
SYS
SYS
SYS
HA0075E MCU Reset and Oscillator Circuits Application Note
= 27MHz: 2.0V~3.3V for crystal mode
= 4MHz: 2.0V~3.3V for external RC mode
/1, f
SYS
/4, f
SYS
/8, f
SYS
/16)
2.4GHz Keyboard TX 8-Bit OTP MCU
1
The advantages of low power consumption, I/O flexibil-
ity, timer functions, oscillator options, Power Down and
wake-up functions, Watchdog timer, motor driving, in-
dustrial control, consumer products, subsystem control-
lers, etc.
39 I/O bi-directional lines with pull-high options
Power down and wake-up functions to reduce power
consumption
4-level subroutine nesting
Bit manipulation instruction
Table read instructions
63 powerful instructions
All instructions executed in one or two machine cy-
cles
Low voltage reset function
48 SSOP package
HT82K73E
April 16, 2008
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