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

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Part Number: HT46R51A

 

MFG: HOLTEK

Package Cooled: DIP/SOP

D/C: 07+

Description: The HT46R51A/HT46R52A are 8-bit high performance, RISC architecture microcontroller devices specifical...


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HT46R51A General Description


The HT46R51A/HT46R52A 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.

HT46R51A Maximum Ratings

Supply Voltage ........................VSS-0.3V to VSS+6.0V
Input Voltage..........................VSS-0.3V to VDD+0.3V
IOL Total .......................................................150mA
Total Power Dissipation ...............................500mW
Storage Temperature .......................-50 to 125
Operating Temperature.......................-40 to 85
IOH Total.....................................................-100mA
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.

HT46R51A Features

· Low-power fully static CMOS design
· Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
· Program Memory: 1K15 OTP (HT46R51A) 2K15 OTP (HT46R52A)
· Data memory: 968 RAM (HT46R51A) 1288 RAM (HT46R52A)
· A/D converter: 12bits5Ch 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

HT46R51A Connection Diagram

HT46R51A  Connection Diagram

HT46R51A datasheet

HT400
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