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HT45R37_11

更新时间： 2022-11-07 19:51:45
品牌 Logo 应用领域
台湾合泰/盛群 - HOLTEK /
页数 文件大小 规格书
100页 643K
描述
TinyPowerTM C/R-F Type 8-Bit OTP MCU

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HT45R37_11 数据手册

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HT45R37  
TinyPower C/R-F Type 8-Bit OTP MCU  
TM  
Technical Document  
·
Tools Information  
·
FAQs  
·
Application Note  
-
HA0075E MCU Reset and Oscillator Circuits Application Note  
Features  
·
·
·
·
·
·
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Operating voltage:  
Dual Serial Interfaces: SPI and I2C  
4 operating modes: normal, slow, idle and sleep  
6-level subroutine nesting  
f
f
f
f
SYS=32768Hz: 2.2V~5.5V  
SYS=4MHz: 2.2V~5.5V  
SYS=8MHz: 3.0V~5.5V  
SYS=12MHz: 4.5V~5.5V  
6-channel 12-bit resolution A/D converter  
2-channel 12-bit PWM output shared with I/O line  
Low voltage reset function - 2.1V, 3.15V, 4.2V  
Low voltage detect function - 2.2V, 3.3V, 4.4V  
Bit manipulation instruction  
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OTP Program Memory: 4K´15  
RAM Data Memory: 160´8  
27 bidirectional I/O lines  
Three external interrupt input shared with I/O lines  
15-Bit table read instructions  
Two 8-bit programmable Timer/Event Counter  
with overflow interrupt and 7-stage prescaler  
63 powerful instructions  
Up to 0.33ms instruction cycle with 12MHz system  
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External C/R to F converter  
clock at VDD=5V  
16-Channel Capacitor/Resistor sensor inputs  
Integrated Crystal, IRC, ERC and RTC oscillator  
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All instructions executed in one or two machine  
cycles  
Fully integrated internal RC oscillator available with  
three frequencies: 4MHz, 8MHz or 12MHz  
Idle/Sleep mode and wake-up functions to reduce  
power consumption  
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Watchdog Timer function  
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Time-Base and RTC interrupt  
LIRC or RTC oscillator function for watchdog timer  
PFD and Buzzer for audio frequency generation  
20-pin DIP/SOP, 24/28-pin SKDIP/SOP/SSOP,  
32-pin QFN and 44-pin QFP packages  
General Description  
The HT45R37 is a TinyPowerTM C/R to F Type 8-bit high  
performance RISC architecture microcontroller. As a C/R  
to F type of MCU, the device can interface to 16 external  
C or R type sensors and convert their values to a fre-  
quency value for processing. In addition its internal A/D  
converter allows the device to interface directly to analog  
signals and its integrated dual channel Pulse Width Modu-  
lators allows control of external motors, LEDs etc.  
versatility for a wide range of products in the home appli-  
ance and industrial application areas. Some of these  
products could include electronic metering, environmen-  
tal monitoring, handheld instruments, electronically con-  
trolled tools, motor driving in addition to many others.  
The unique Holtek TinyPower technology also gives the  
devices extremely low current consumption characteris-  
tics, an extremely important consideration in the present  
trend for low power battery powered applications. The  
usual Holtek MCU features such as power down and  
wake-up functions, oscillator options, programmable  
frequency divider, etc. combine to ensure user applica-  
tions require a minimum of external components.  
With their fully integrated SPI and I2C functions, design-  
ers are provided with a means of easy communication  
with external peripheral hardware. The benefits of inte-  
grated A/D, C/R to F converter, and PWM functions, in  
addition to low power consumption, high performance,  
I/O flexibility and low-cost, provides the device with the  
Rev. 1.20  
1
February 25, 2011  
1234567...100

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