HC32L196KCTA-LQFP64
High-performance ultra-low power MCU with 128KB Flash, LCD driver, and rich analog peripherals in LQFP64 package.
Product Overview
Description
The HC32L196KCTA is a high-performance ultra-low power MCU designed for demanding battery-powered applications.
Featuring 128KB Flash, 16KB RAM, and comprehensive analog peripherals, this MCU provides exceptional functionality while maintaining ultra-low power consumption.
The integrated LCD driver supports up to 288 segments, making it ideal for smart meters, thermostats, and portable medical devices.
Product Series
HC
Primary Application
Smart meters
Key Features
- 128KB Flash, 16KB RAM
- 0.5μA standby current
- LCD driver 288 segments
- 12-bit ADC 1Msps
- Hardware AES encryption
- TRNG true random number
- Rich analog peripherals
Specifications
| Core | ARM Cortex-M0+ |
|---|---|
| Flash | 128KB |
| RAM | 16KB |
| Standby Current | 0.5μA with RTC |
| Active Current | 35μA/MHz |
| ADC | 12-bit, 1Msps, 24ch |
| LCD | 8COM x 36SEG |
| Package | LQFP64 |
Applications
Smart meters
Electronic system design
Thermostats
Electronic system design
Portable medical devices
Medical electronics
IoT sensors
Sensor signal conditioning
Wearables
Electronic system design
FAE Expert Insights
"The HC32L196 is my go-to recommendation for battery-powered applications requiring LCD display. The 0.5μA standby current is exceptional - I've measured it myself and it's genuinely sub-microamp. The LCD driver is comprehensive, supporting up to 288 segments which handles most meter and thermostat displays. The analog peripherals are rich - 24 ADC channels, 3 comparators, 2 OPAs. I particularly like the hardware AES and TRNG for security applications like smart meters. One tip: the internal voltage reference is very stable across temperature, making it great for precision measurements. For smart meter applications, this MCU hits the sweet spot of features, power, and cost."
Exceptional 0.5μA standby with comprehensive LCD and analog features
— Dr. Chen Wei, BeiLuo
Frequently Asked Questions
How accurate is the ADC in HC32L196?
HC32L196 ADC specifications: (1) Resolution - 12-bit SAR ADC; (2) Sampling rate - up to 1Msps; (3) INL/DNL - ±2 LSB typical; (4) ENOB - 10.5 bits typical at 1Msps; (5) Reference - internal 1.2V/2.5V or external reference; (6) Channels - 24 external + 2 internal (temperature, Vbat); (7) Modes - single, continuous, scan, and discontinuous modes. The ADC provides good accuracy for most sensor applications. For higher precision, use averaging or oversampling techniques. The internal reference has ±1% accuracy, sufficient for most applications. For precision measurements, use an external voltage reference.
12-bit ADC suitable for most sensor applications. Use external reference for precision measurements.
What is the LCD driver capability in detail?
HC32L196 LCD driver details: (1) Configuration - up to 8 COM x 36 SEG = 288 segments; (2) Bias options - 1/2, 1/3, or 1/4 bias selectable; (3) Duty - static to 1/8 duty cycle; (4) Voltage - internal charge pump generates 2.6V-3.4V LCD voltage; (5) Contrast - 16 levels software adjustable; (6) Waveform - Type-A or Type-B selectable; (7) Blink - up to 2 segments can blink; (8) Low power - LCD operates in sleep mode consuming <5μA. This supports most 7-segment, 14-segment, and dot-matrix LCDs used in meters and displays. No external LCD driver IC needed.
Supports up to 288 segments. Configure bias and duty based on your LCD specifications.