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HT46R73D-3 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT46R73D-3 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
1 / 54 page HT46R73D-3 Dual Slope A/D Type 8-Bit OTP MCU with LCD Rev. 1.10 1 April 19, 2010 Features · Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · Three system oscillators: External Crystal oscillator External RC oscillator Internal RC oscillator · Up to 16 bidirectional I/O lines · One external interrupt input shard with an I/O lines · One 8-bit and two 16-bit programmable timer/event counter with overflow interrupt a 8-stage pre-scalar · LCD driver with 16´4 segments · 4K´15 program memory · 128´8 data memory RAM · Single differential input channel dual slope Analog to Digital Converter with Operational Amplifier. · Watchdog Timer with regulator power · Buzzer output · Internal 12kHz RC oscillator · External 32.768kHz Crystal 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 · 15-bit table read instruction · Up to 0.5ms instruction cycle with 8MHz system clock at VDD=5V · 63 powerful instructions · All instructions in 1 or 2 machine cycles · Low voltage reset function · One vibration sensor input · Four touch-key inputs · 52-pin QFP package General Description The HT46R73D-3 is an 8-bit high performance, RISC architecture microcontroller device specifically de- signed for A/D with LCD applications that interface di- rectly to analog signals, such as those from sensors. The advantages of low power consumption, I/O flexibil- ity, timer functions, oscillator options, Dual slope A/D converter, LCD display, HALT and wake-up functions, watchdog timer, as well as low cost, enhance the versa- tility of these devices to suit for a wide range of AD with LCD application possibilities such as sensor signal pro- cessing, scales, consumer products, subsystem con- trollers, etc. |
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