![]() The sample price is 5.67 CNY (89 cents US), and the unit price drops to 3.14 CNY (50 cents US) in quantities of 1,000 pieces or more. HC32L110B6YA-CSP16TR is sold on LCSC China, but I could not find it on the international version of the website at the time of writing. Everything is in Chinese, but this may change soon if LilyGO releases the board for the “overseas market”. You’ll also find the software development tools, and IAR Embedded and Arm Keil MDK are the recommended/supported IDEs for the microcontroller. The microcontroller seems to have been released in 2020, and there’s plenty of documentation on the product page. HC32L110 block diagram (left) & CSP16 package dimensions (right) Wake-up time – 4μS ultra-low-power wake-up time.120μA/MHz 3V 16MHz while active (CPU and peripheral modules run, run programs from flash). ![]() 20μA/MHz 3V 16MHz in sleep mode (CPU stops working, peripheral modules run, main clock runs).6μA in 32.768KHz low-speed active mode (CPU and peripheral modules run, run programs from flash).1.0μA 3V in deep sleep mode + RTC operation.0.5μA 3V in deep sleep mode (all clocks off, power-on reset valid, IO status maintained, IO interrupt valid).Integrated low voltage detector LVD, configurable 16-level comparison level.Debugging – Embedded debugging solution providing a full-featured real-time debugger.Security – CRC-16 module, unique 10-byte ID number.Hardware supports internal and external clock calibration and monitoring.External low-speed crystal oscillator 32.768KHz.External high-speed crystal oscillator 4 ~ 32MHz.2-way voltage comparator VC with integrated 6-bit DAC and programmable reference input.It is a slow and cumbersome process even with the most expensive debugger. 1x programmable 16-bit timer/counter with comparison support Re: Keil uVision - so good but so expensive.3x high-performance 16-bit timer/counter.3x general-purpose 16-bit timers/counters.Up to 9-channel 12-bit SARADC with up to 1Msps sampling.16x GPIOs with 20-pin packages, 12x GPIOs with 16-pin packages.Storage – 16K to 32KB flash memory with erase and write protection.Memory – 2KB to 4KB RAM memory with parity check.MCU core – Arm Cortex-M0+ 32-bit core up to 32 MHz.Silicon Labs EFM8SB10F8G-CSP16 showed first in a web search, but that’s an 8-bit 8051 microcontroller with a 1.781 x 1.659 mm CSP16 package, and it’s unlikely they’d use a “Western” microcontroller.īut I soon found the microcontroller on Huada Semiconductor Co. I discovered the microcontroller when LilyGO shared a small board only showing the MCU’s dimensions and CSP16 type. Before you ask… No, it’s not another one of those CNXSoft’s typos, I did not mean to write cm (centimeters), and HDSC HC32L110 is indeed an Arm Cortex-M0+ microcontroller available in an almost microscopic 1.59 x 1.436 mm CSP16 package, which could make it the world’s smallest Arm MCU.
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