Item specifics
Description
The STM8S005K6T6C is a mainstream value line 8-bit MCU from STMicroelectronics, classified as a medium-density device in the STM8S family reference manual (RM0016). Featuring a 16 MHz STM8 core with Harvard architecture and 3-stage pipeline, it integrates 32 KB Flash, 2 KB RAM, and 128-byte true data EEPROM (up to 100k write/erase cycles). On-chip peripherals include a 10-bit ADC (7 channels with scan mode and analog watchdog), 16-bit advanced control timer (4 CAPCOM channels, 3 complementary outputs with dead-time insertion), two 16-bit general-purpose timers, 8-bit basic timer, auto wakeup timer, window and independent watchdog timers, and UART (with clock output for synchronous operation, SmartCard, IrDA, LIN master mode), SPI (up to 8 Mbit/s), and I2C (up to 400 Kbit/s) interfaces. Packaged in LQFP-32 (7×7 mm) with 25 I/Os, it operates from 2.95 V to 5.5 V over -40 °C to 85 °C. Ideal for industrial control, LED lighting, sensor modules, consumer electronics, and cost-sensitive applications requiring robust performance[reference:16].
Advanced Core: 16 MHz STM8 core, Harvard architecture, 3-stage pipeline, extended instruction set, up to 37 external interrupts on 6 vectors, CISC architecture, 32 nested interrupts Memory: 32 KB Flash (20-year data retention at 55 °C after 100 cycles), 2 KB RAM, 128-byte true data EEPROM (up to 100k write/erase cycles) 10-bit ADC: 7 multiplexed channels, ±1 LSB accuracy, scan mode and analog watchdog Advanced Control Timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization General-Purpose Timers: 2x 16-bit, total 5 CAPCOM channels (IC, OC or PWM); 8-bit basic timer with 8-bit prescaler Auto Wakeup Timer: Wakeup from Active-halt mode Dual Watchdogs: Window watchdog + Independent watchdog Communication Interfaces: UART with clock output for synchronous operation, SmartCard, IrDA, LIN master mode; SPI up to 8 Mbit/s; I2C up to 400 Kbit/s Clock System: 4 master clock sources (external clock, crystal oscillator, user-trimmable 16 MHz RC, low-power 128 kHz RC), clock security system with monitor High Reliability: Low-consumption POR/PDR, highly robust I/O design immune against current injection LQFP-32 Package: 7×7 mm, 25 I/Os Wide Operating Range: 2.95 V to 5.5 V, -40 °C to 85 °C Development Support: Embedded SWIM single-wire interface for fast on-chip programming and non-intrusive debugging
Industrial Control: PLCs, sensor transmitters, RS-485 communication nodes, small actuator control; wide temperature reliability LED Lighting: Dimming control, RGB strips, switching power supplies; direct PWM drive Battery Management: Protection boards, fuel gauges, charge management; low-power modes reduce standby consumption Home Appliances: Induction/microwave oven panels, small appliance main controllers Sensor Modules: Temperature/humidity/gas sensing; 10-bit ADC + I2C/UART flexible networking Consumer Electronics: Remote controls, electric toothbrushes, electronic toys; high-value 32-pin solution Motor Control: Fans, pumps, small motors; advanced timer with complementary PWM and dead-time Automotive Electronics: Vehicle light control, window anti-pinch, automotive sensor nodes (non-safety-critical)
Ultra-Cost-Effective: 32 KB Flash + 2 KB RAM + 128 B true EEPROM + 10-bit ADC + 3 timers + UART/SPI/I2C in LQFP-32 package, minimizing BOM cost True EEPROM: 128-byte true data EEPROM with 100k write/erase cycles, reliably storing calibration parameters without external memory ICs Advanced Timer for Motor Control: 4 CAPCOM channels, 3 complementary outputs with dead-time insertion, driving half-bridge circuits and motor control Rich I/O Resources: 25 I/Os with high-sink outputs, meeting peripheral connectivity needs Robust & Reliable: 4 clock sources + clock security system, low-consumption POR/PDR, highly robust I/Os for stable industrial operation Mature Ecosystem: STM8 classic architecture, rich documentation, low-cost SWIM debug, shortening development cycles Stable Supply Chain: STMicroelectronics mainstream value line with massive global shipments, ensuring stable supply
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FAQ:
What is the STM8S005K6T6C and its key specifications?
The STM8S005K6T6C is an 8‑bit microcontroller from STMicroelectronics based on the STM8 core at up to 16 MHz. It provides 32 KB of Flash program memory, 2 KB of SRAM, and 128 bytes of true data EEPROM. On‑chip peripherals include a 10‑bit ADC, an advanced motor‑control timer (TIM1) with 3 complementary PWM pairs, general‑purpose timers (TIM2, TIM4), and communication interfaces: UART, SPI, I2C. Housed in an LQFP‑32 package, it provides 28 I/O pins and operates over ‑40 °C to +85 °C. It belongs to the STM8S Value line and is a cost‑effective solution for applications that need three‑phase motor control and reliable EEPROM storage without requiring CAN connectivity.
How does the STM8S005K6T6C differ from the STM8S105K6T6C? Which one should I choose?
Both are pin‑compatible with the same Flash (32 KB), SRAM (2 KB), and identical peripherals, including the advanced TIM1 with three complementary PWM pairs. The key differences are the EEPROM size and fine electrical characteristics: the S005K6T6C has 128 bytes of true EEPROM, while the S105K6T6C offers 1 KB. The S105 may also have slightly better internal oscillator accuracy and more robust analog performance. Choose the S005 when you do not need a large non‑volatile storage and want the most cost‑optimized MCU for motor control; choose the S105 when frequent parameter storage or tighter analog specifications are required.
What is the difference between STM8S005K6T6C and STM8S005C6T6?
Both share the same core, memory, and peripherals. The only difference is the package: the K6T6C uses an LQFP‑32 with 28 I/O pins, while the C6T6 comes in an LQFP‑48 with 38 I/O pins. Choose the K6T6C for space‑constrained designs; choose the C6T6 when you need more I/O for additional sensors or communication channels.
Can the STM8S005K6T6C drive a brushless DC motor directly?
Yes. The advanced timer TIM1 provides 3 complementary PWM pairs with programmable dead‑time insertion and a break input. This allows the MCU to directly control a three‑phase inverter or a BLDC motor half‑bridge without external dead‑time logic. It is widely used in fans, pumps, power tools, and home appliances.
What are the ADC specifications and how many analog channels does the STM8S005K6T6C have?
It features a 10‑bit successive‑approximation ADC. In the LQFP‑32 package, up to 10 external analog input channels are typically available, depending on which digital functions are enabled on shared pins. The ADC can also measure an internal voltage reference and can be triggered by TIM1 for synchronized motor‑current sensing.
How much memory does the STM8S005K6T6C have?
It provides 32 KB of Flash program memory, 2 KB of SRAM, and 128 bytes of true data EEPROM. This memory configuration is well‑suited for compact motor‑control algorithms, simple communication stacks, and applications that need a small but reliable non‑volatile storage for calibration data.
What package does the STM8S005K6T6C use and how many I/O pins are there?
It comes in an LQFP‑32 package (7 mm × 7 mm, 0.8 mm lead pitch) and provides 28 general‑purpose I/O pins. The gull‑wing leads are easy to hand‑solder, making this package popular for prototyping and medium‑volume production.
Can the STM8S005K6T6C be powered directly from 5 V?
Yes, it is a true 5 V‑capable microcontroller. The operating voltage range is 2.95 V to 5.5 V, so you can power it directly from a standard 5 V rail, USB, or a loosely regulated supply. All I/O pins are 5 V tolerant, simplifying interfaces with legacy TTL and CMOS logic.
How to program and debug the STM8S005K6T6C?
Programming and debugging use the single‑wire SWIM interface. A low‑cost ST‑LINK/V2 is the standard tool. Firmware can be developed with STVD + Cosmic C or the open‑source SDCC compiler, and ST provides standard peripheral libraries to speed up development.
What are the most typical applications of the STM8S005K6T6C?
With its three‑phase motor‑control timer, 5 V operation, and cost‑effective design, the STM8S005K6T6C is widely used in small motor drives (fans, pumps, power tools), home appliances, industrial sensors, power supplies, and general‑purpose 8‑bit control. It is a popular choice when CAN connectivity is not required, but robust motor control and a small EEPROM are needed.