Item specifics
Description
The STM8S005C6T6 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 (10 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-48 (7×7 mm) with up to 38 I/Os (including 16 high-sink outputs), 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.
Advanced Core: 16 MHz STM8 core, Harvard architecture, 3-stage pipeline, extended instruction set, up to 37 external interrupts on 6 vectors 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: 10 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 with separate clock source 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-48 Package: 7×7 mm, up to 38 I/Os including 16 high-sink outputs 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 48-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 + multiple timers + UART/SPI/I2C in LQFP-48 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: 38 I/Os with 16 high-sink outputs, meeting complex 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 STM8S005C6T6 and its key specifications?
The STM8S005C6T6 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‑48 package, it provides 38 I/O pins and operates over ‑40 °C to +85 °C. As part of the STM8S Value line, it is a cost‑effective solution for three‑phase motor control and general‑purpose applications that do not require CAN connectivity.
How does the STM8S005C6T6 differ from the STM8S105C6T6? 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 difference is the EEPROM size: the S005C6T6 offers 128 bytes of true EEPROM, while the S105C6T6 provides 1 KB. The S105 may also have slightly better analog performance and internal oscillator accuracy. Choose the S005C6T6 when 128 bytes of non‑volatile storage are sufficient and you want the most cost‑optimized MCU for motor control; choose the S105C6T6 when frequent parameter storage or tighter analog specifications are required.
What is the difference between STM8S005C6T6 and STM8S005K6T6C?
Both share the same core, memory, and peripherals. The difference is only in the package and I/O count: the C6T6 uses an LQFP‑48 package and provides 38 I/O pins, while the K6T6C comes in an LQFP‑32 with 28 I/O pins. Choose the C6T6 when you need more I/Os for additional sensors or communication channels; choose the K6T6C for more compact designs.
Can the STM8S005C6T6 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 STM8S005C6T6 have?
It features a 10‑bit successive‑approximation ADC. In the LQFP‑48 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 STM8S005C6T6 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 STM8S005C6T6 use and how many I/O pins are there?
It comes in an LQFP‑48 package (7 mm × 7 mm, 0.5 mm lead pitch) and provides 38 general‑purpose I/O pins. This package offers a good balance between compact size and rich connectivity for mid‑complexity embedded designs.
Can the STM8S005C6T6 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 STM8S005C6T6?
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 STM8S005C6T6?
With its three‑phase motor‑control timer, 5 V operation, and generous I/O count, the STM8S005C6T6 is widely used in 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 a larger number of I/Os and reliable motor control are needed.