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HT46R71D Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT46R71D Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 46 page  HT46R71D A/D with LCD Type 8-Bit MCU Rev. 1.00 1 January 9, 2006 Features · Operating voltage: fSYS=4MHz: 2.2V~5.5V · 10 bidirectional I/O lines and two ADC input · One external interrupt input shard with an I/O lines · One 8-bit and one 16-bit programmable timer/event counter with overflow interrupt a 7-stage pre-scalar · LCD driver with 10´3 segments · 2K´14 program memory · 32´8 data memory RAM · Single differential input channel dual slope Analog to Digital Converter with Operational Amplifier. · Watchdog Timer · Buzzer output · Internal 12kHz RC oscillator · RC oscillator · HALT function and wake-up feature reduce power consumption · Voltage regulator (3.3V) and charge pump · Embeded voltage reference generator (1.5V) · 4-level subroutine nesting · Bit manipulation instruction · 14-bit table read instruction · Up to 1ms instruction cycle with 4MHz system clock · 63 powerful instructions · All instructions in 1 or 2 machine cycles · Low voltage reset/detector function · 48-pin SSOP package General Description The HT46R71D is an 8-bit, high performance, RISC ar- chitecture microcontroller device specifically designed for A/D product applications that interface directly to an- alog signals and which require an LCD Interface. The advantages of low power consumption, I/O flexibil- ity, timer functions, oscillator options, multi-channel A/D Converter, LCD display, HALT and wake-up functions, in addition to a flexible and configurable LCD interface enhance the versatility of these devices to control a wide range of applications requiring analog signal pro- cessing and LCD interfacing, such as electronic meter- ing, environmental monitoring, handheld measurement tools, motor driving, etc., for both industrial and home appliance application areas. Technical Document · Tools Information · FAQs · Application Note - HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM - HA0004E HT48 & HT46 MCU UART Software Implementation Method - HA0005E Controlling the I2C bus with the HT48 & HT46 MCU Series - HA0007E Using the MCU Look Up Table Instructions - HA0049E Read and Write Control of the HT1380 |
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