Model No: STM8L152K4U6

STMicroelectronics STM8L152K4U6

Manufacturer: STMicroelectronics
SEMICON NO.: STM8L152K4U6
Package: 32-UFQFPN
Stock: In stock
Description: STM8 STM8L MCU IC 8-Bit 16MHz 16KB
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 Mfr      STMicroelectronics 
 Device Type 8-bit Microcontroller (MCU)
 Core Processor  STM8
 Core Size 8-Bit
 Maximum CPU Speed  16 MHz
 Program Memory (Flash) 16 KB (16K x 8)
 RAM (SRAM) 2 KB (2K x 8)
 EEPROM  1 KB (1K x 8)
 Analog-to-Digital Converter   25-channel, 12-bit ADC 
 Digital-to-Analog Converter 1x 12-bit DAC
 Analog Comparators 2x ultra-low-power comparators
 General-Purpose I/O Pins 29
 Capacitive Touch Sensing  Up to 16 channels
 Supply Voltage (Vcc/Vdd)    1.8 V to 3.6 V 
 Operating Temperature -40°C to +85°C
 Package 32-UFQFPN
 Mounting Type Surface Mount
 Compliance    
 RoHS Compliant
STM8L152K4U6 8-bit microcontroller STM8 STM8L mcu
The STM8L152K4U6 is an ultra-low-power 8-bit microcontroller manufactured by STMicroelectronics, belonging to the medium-density STM8L152x4/6 family that combines an enhanced STM8 core with an integrated LCD controller and true data EEPROM for cost-sensitive, battery-powered applications. Built on a 3-stage pipeline Harvard architecture, the device delivers up to 16 MIPS peak performance at 16 MHz while preserving the code-density advantages of a CISC architecture and a 24-bit linear addressing space. This makes it particularly suitable for portable instruments, smart meters, and Internet-of-Things endpoint nodes where long battery life, compact footprint, and direct segment-LCD driving are simultaneously required.
The STM8L152K4U6 excels in power efficiency, operating from a 1.8 V to 3.6 V supply (down to 1.65 V at power-down) and offering five low-power modes: Wait, Low-power run (5.1 µA), Low-power wait (3 µA), Active-halt with full RTC (1.3 µA), and Halt (350 nA), with ultra-low I/O leakage of 50 nA and a fast 4.7 µs wakeup from Halt. The clock management subsystem integrates a 1–16 MHz crystal oscillator, a 32 kHz crystal oscillator, a factory-trimmed 16 MHz internal RC, a 38 kHz low-power RC, a clock security system, and a low-power RTC with auto-wakeup. Comprehensive reset and supply management includes a low-power BOR with five selectable thresholds, POR/PDR, and a programmable voltage detector.
Alternative MCUs
● STM8L152K6U6: A higher-density variant in the same UFQFPN-32 package that doubles the Flash to 32 KB while retaining 2 KB RAM, 1 KB EEPROM, and full peripheral compatibility.
● STM8L151K4U6: A cost-reduced counterpart without the LCD controller, providing the same 16 KB Flash, STM8 core, and low-power modes for applications not requiring segment-LCD driving.
● STM8L152C6U6: A 48-pin UFQFPN-packaged device with 32 KB Flash and more I/O, suited to designs needing additional GPIO and a denser feature set in a still-compact footprint.
● STM8L052K6T6: An entry-level STM8L052 device offering 32 KB Flash with a simpler peripheral set in LQFP-32, targeting cost-driven low-power applications that can forgo the LCD controller.