Holtek pushes 8-bit OTP MCU, suitable for AC body fat scale measurement system
HT45R2K-C / B / A is Holtek's new Dual Slope A / D type 8-Bit OTP MCU. Its built-in body fat measurement and Touch-key function, combined with rich and diverse peripheral functions, is especially suitable for AC body fat scale measurement system with bridge sensor.
The HT45R2K-C / B / A specification includes 16K / 8K / 4K word OTP program memory, 256 Byte data storage, two 16-bit TImers and one 8-bit TImer, and it also has a Buzzer hardware output function. Up to 22 I / O Pins, with external wake-up and interrupt trigger functions. Built-in LCD drive circuit, can drive up to 192 points LCD Panel. HT45R2K-C / B / A has a dual-slope analog-to-digital converter (Dual Slope ADC), which is a type of ADC widely used in measurement systems. This ADC includes an operational amplifier, voltage follower, integrator, and comparison ), And provide a booster circuit (Charge Pump) and output 3.3V regulator (Regulator). In addition, the HT45R2K-C / B / A includes the functions of the four Touch-Keys and the amplifier circuit of the external vibration sensor in the IC, providing a good choice for measurement applications that require touch buttons and vibration switches. For the protection of noise and low voltage, the configuration of watchdog (Watchdog) and LVD / LVR (Low Voltage Detect / Low Voltage Reset) are also provided.
Holtek also provides the HT-IDE3000 development system with complete software and hardware functions, including real-time simulation, memory / buffer access, hardware breakpoint logic setting, execution tracking analysis, etc., suitable for development that requires faster and more efficient Program and debug users to develop products.
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