### Product Overview
CIU32L051E8M6TU is an industrial-grade ultra-low power secure 32-bit microcontroller from HED (Huada Electronics), built on ARM Cortex-M0+ core with maximum 48MHz operating frequency, packaged in compact SSOP24 form factor for space-limited PCB designs. Equipped with 64KB Flash, 16KB SRAM and 1KB OTP memory Featuring microamp-level standby current, wide 1.8V~5.5V operating voltage and -40℃~+85℃ industrial temperature range, it is a cost-effective domestic replacement for imported low-power MCUs, widely adopted in smart water/gas/electric meters, infrared remotes, portable measuring instruments and low-power IoT terminals.
### Core Key Specifications
1. **Core & Memory Resources**
- ARM Cortex-M0+ 32-bit CPU, up to 48MHz, single-cycle multiplication supported
- Storage: 64KB Flash + 16KB SRAM + 1KB OTP
- Supports IAP online firmware upgrade, standard SW serial debug interface
2. **Integrated Peripherals & Security Modules**
✅ LCD Driver: Max 8COM × 32SEG segment screen driver with charge pump, VLCD up to 5.25V, no extra LDO needed
✅ Communication Interfaces: 4×UART, 2×low-power LPUART, 2×SPI (20Mbps max), 1×1Mbps I2C, dedicated IRTIM for infrared remote decoding
✅ Analog Circuits: 12-bit 1Msps high-precision SAR ADC, 2 low-power voltage comparators, internal temperature sensor & multi-level reference voltage source
✅ Timing Resources: 9 multi-function timers, high-precision RTC calendar, independent & window watchdog, 2-channel DMA controller
3. **Electrical & Packaging Info**
- Operating voltage range: 1.8V ~ 5.5V
- Working temperature: -40℃ ~ +85℃ industrial wide temperature
- Package: SSOP24 (CIU32L051E8M6TU)
- stable performance under complex power supply environments
### Typical Application Scenarios
🔹 Smart water meter, gas meter, electricity meter and metering modules
🔹 Air conditioner, TV infrared remote control boards
🔹 Portable medical testing equipment, handheld measuring instruments
🔹 Battery-powered smart thermostats and home security sensors
🔹 Low-power IoT wireless terminals and wearable electronics
### Our Supply Advantages
1. 100% genuine original HED chips, long-term stable inventory supply
2. Free engineering samples available for customer performance verification
3. Complete datasheets, development SDK and professional FAE technical support
4. Flexible minimum order quantity, competitive pricing for bulk wholesale
5. Standard tube packaging, reliable global logistics for overseas electronics manufacturers
