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HT82K74E PDF预览

HT82K74E

更新时间: 2024-01-18 21:36:32
品牌 Logo 应用领域
台湾合泰/盛群 - HOLTEK /
页数 文件大小 规格书
56页 329K
描述
27MHz Keyboard/ Mouse TX 8-Bit MCU

HT82K74E 数据手册

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HT82K74E/HT82K74EE  
27MHz Keyboard/ Mouse TX 8-Bit MCU  
Technical Document  
·
Application Note  
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HA0075E MCU Reset and Oscillator Circuits Application Note  
Features  
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Operating voltage:  
SYS= 27MHz: 3.0V~3.3V for crystal mode  
128´8 bits data EEPROM for HT82K74EE  
f
One external crystal (27MHz) to supply  
microcontroller system clock  
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Program Memory: 2K´15 bits  
Data Memory: 96´8 bits  
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63 powerful instructions  
All instructions executed in one or two machine  
cycles  
36 bidirectional I/O lines, with pull-high options  
Watchdog Timer function  
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Low voltage reset function  
Single 16-bit internal timer with overflow interrupt  
and timer input  
Crystal oscillator which built-in capacitor value can  
configure by firmwave OSCC register  
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Power down and wake-up functions to reduce  
power consumption  
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Two bit to define microcontroller system clock  
(fSYS/1, fSYS/4, fSYS/8, fSYS/16)  
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4-level subroutine nesting  
Bit manipulation instruction  
Table read instructions  
HT82K74E:  
28-pin SSOP, 32-pin QFN and  
48-pin SSOP/LQFP packages  
Built-in DC/DC to provide stable (2.8V, 3.0V, 3.3V  
use configuration option) DC_DC 3.0V with error  
±0.1V  
·
HT82K74EE:  
28-pin SSOP and 48-pin SSOP/LQFP packages  
·
2.2V/2.0V with ± 0.1V tolerance or 1.8V Low battery  
detector with internal bit set, it detects the BAT-in  
input voltage  
General Description  
The device is an 8-bit high performance, RISC architec-  
ture microcontroller devices specifically designed for  
multiple I/O control product applications.  
There are two dice in the HT82K74EE package: one is  
the HT82K74E MCU, the other is a 128´8 bits EEPROM  
used for data memory purpose. The two dice are  
wire-bonded to form HT82K74EE  
The advantages of low power consumption, I/O flexibil-  
ity, timer functions, Power Down and wake-up functions,  
Watchdog timer, motor driving, industrial control, con-  
sumer products, subsystem controllers, etc.  
Block Diagram  
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Rev. 1.00  
1
December 15, 2009  

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