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MFG:HOLTEK  Package Cooled:DIP/SOP  D/C:07+  

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HT4 Series Datasheet download

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Part Number: HT46R51

 

MFG: HOLTEK

Package Cooled: DIP/SOP

D/C: 07+

Description: The HT46R51/HT46R52 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for A/D...


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HT46R51 General Description


The HT46R51/HT46R52 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for A/D applications that interface directly to analog signals, such as those from sensors. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, multi-channel A/D converter, Pulse Width Modulation function, HALT and wake-up functions, watchdog timer, as well as low cost, enhance the versatility of these devices to suit a wide range of A/D application possibilities such as sensor signal processing, chargers, motor driving, industrial control, consumer products, subsystem controllers, etc.

HT46R51 Maximum Ratings

Supply Voltage ...........................VSS-0.3V to VSS+6.0V
Storage Temperature ............................-50 to 125
Input Voltage..............................VSS-0.3V to VDD+0.3V
Operating Temperature..........................-40 to 85
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.

HT46R51 Features

`Low-power fully static CMOS design
`Operating voltage: fSYS=4MHz: 2.2V~5.5V
                                  fSYS=8MHz: 3.3V~5.5V
`Program Memory: 1K*14 OTP (HT46R51)
                                2K*14 OTP (HT46R52)
`Data memory: 88*8 RAM
`A/D converter: 12bits*5Ch External A/D converter reference voltage input pin
`14 bidirectional I/O lines
`1 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
`6-level subroutine nesting
`Watchdog Timer
`Low voltage reset function
`HALT function
`Up to 0.5s instruction cycle with 8MHz system clock at VDD=5V
`1-channel 8-bit PWM output shared with an I/O line
`PFD function
`Bit manipulation instruction
`Table read instruction
`63 powerful instructions
`All instructions in one or two machine cycles
`18-pin DIP, 20-pin SOP/SSOP package

HT46R51 Typical Application

·HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM
·HA0004E HT48 & HT46 MCU UART Software Implementation Method
·HA0084E NiMH Battery Charger Demo Board - Using the HT46R52

HT46R51 Connection Diagram

HT46R51  Connection Diagram

HT46R51 datasheet

HT400
PDF/DataSheet Download

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