STM8S207C8T6 - 24MHz 8-bit MCU, 64KB Flash | STMicroelectronics
N.º de pieza: STM8S207C8T6 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.2 | $3,20 |
| 10 | $2.88 | $28,80 |
| 100 | $2.49 | $249,00 |
| 500 | $2.21 | $1.105,00 |
| 1.000 | $1.95 | $1.950,00 |
STM8S207C8T6 Descripción general
An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus that integrates a processor core, memory (Flash, RAM, EEPROM), and programmable peripherals (timers, ADC, communication interfaces) on one die. In the system hierarchy, an 8-bit MCU sits below 16-bit and 32-bit MCUs in processing power but offers lower cost, simpler architecture, and lower power consumption, making it ideal for control-oriented tasks. The STM8S207C8T6 belongs to the STM8 family from STMicroelectronics, positioned between the low-cost STM8S value line and the 32-bit ARM-based STM32 MCUs.
Key features include a 24 MHz CPU clock (20 MIPS), 64 KB Flash with read-while-write capability, 2 KB of true EEPROM rated for up to 300k write/erase cycles, and a 10-bit ADC with up to 10 multiplexed channels. Communication interfaces cover two UARTs, one SPI, one I2C, and a CAN 2.0B controller. Operation from 2.95V to 5.5V supports both 3.3V and 5V systems, with low-power modes reducing consumption below the 5.4 mA typical running current at 24 MHz.
Technically, the STM8 core is a CISC architecture with a 3-stage pipeline and a single-wire debug interface (SWIM) supporting ICP and IAP programming. The LQFP-48 package provides 38 I/O pins, most with multiple alternate functions for flexible board design.
Typical applications include industrial control systems, home appliances, motor control, sensor interfaces, and CAN-networked nodes in automotive and industrial systems, where the rich timer set supports PWM generation.
Design tip: decouple VDD/VDDA with 100nF capacitors placed close to the device, add a pull-up on SWIM, and use an external transceiver (e.g., TJA1050) with 120-ohm bus termination for CAN.
Alternativas directas para STM8S207C8T6 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con STM8S207C8T6 (mismo factor de forma y huella) — difiere en Package, Core, Operating Temperature Range, RAM Size, ADC.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
STM8S207C8T3
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
STM8S207CBT6
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
STM8S007C8T6
✅ Sustitución directa✓ En stock
$2.04 / unidad
Ver hoja de datos →STM8S105C6T6
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.85 / unidad
Ver hoja de datos →STM8S005C6T6
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$2.15 / unidad
Ver hoja de datos →STM8S207C8T6 Valores máximos y características eléctricas
| Core | STM8 8-bit |
| CPU Frequency | 24 MHz |
| Performance | 20 MIPS at 24 MHz |
| Flash Memory | 64 KB (64K x 8) |
| RAM | 4 KB |
| EEPROM | 2 KB (up to 300k write/erase cycles) |
| Operating Voltage | 2.95 V to 5.5 V |
| ADC | 10-bit, up to 10 channels |
| Timers | 1x 16-bit advanced, 2x 16-bit general purpose, 1x 8-bit basic |
| UART | 2 |
| SPI | 1 |
| I2C | 1 |
| CAN | CAN 2.0B controller |
| GPIO Count | 38 I/O pins |
| Debug Interface | SWIM single-wire (ICP/IAP supported) |
| Encapsulado | LQFP-48 (7x7 mm) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Configuración de pines de STM8S207C8T6
| Pin 1 | NRST — Bidirectional reset, active-low |
| Pin 2 | PA1/OSCIN — Port A1 / external oscillator input |
| Pin 3 | PA2/OSCOUT — Port A2 / external oscillator output |
| Pin 4 | PA3/TIM2_CH3 — Port A3 / Timer 2 channel 3 PWM |
| Pin 5 | PA4/UART1_CK — Port A4 / UART1 clock |
| Pin 6 | PA5/UART1_TX — Port A5 / UART1 transmit |
| Pin 7 | PA6/UART1_RX — Port A6 / UART1 receive |
| Pin 9 | VDDA — Analog power supply |
| Pin 10 | VSSA — Analog ground |
| Pin 11 | PB0/AIN0 — Port B0 / ADC channel 0 |
| Pin 14 | PB7/AIN7 — Port B7 / ADC channel 7 |
| Pin 16 | PC1/TIM1_CH1 — Port C1 / Timer 1 channel 1 PWM |
| Pin 21 | PC6/SPI_MOSI — Port C6 / SPI master output |
| Pin 23 | PD0/SWIM — Port D0 / SWIM debug interface |
| Pin 29 | PE0/CAN_TX — Port E0 / CAN transmit |
| Pin 30 | PE1/CAN_RX — Port E1 / CAN receive |
| Pin 36 | VDD — Digital power supply |
| Pin 37 | VSS — Digital ground |
Aplicaciones típicas
STM8S207C8T6 es adecuado para 6 aplicacións: Industrial Control Systems, CAN Bus Network Nodes, Home Appliances, Motor Control (Small BLDC/DC), Sensor Interfaces and Data Logging, Automotive Body Electronics.
Industrial Control Systems
The STM8S207C8T6 fits industrial control nodes with its 24 MHz / 20 MIPS STM8 core, 64 KB Flash, and 5V-tolerant I/O across 38 GPIO. The 2.95V-5.5V supply range tolerates noisy industrial rails, while the 2 KB EEPROM stores calibration and parameter data with 300k cycle endurance. Multiple 16-bit timers generate precise PWM for actuators, and the SWIM interface simplifies field firmware updates via IAP without board redesign.
Recomendado
CAN Bus Network Nodes
With an integrated CAN 2.0B controller, the STM8S207C8T6 is a natural fit for industrial and automotive networking nodes at minimal BOM cost. The controller handles message framing, filtering, and arbitration in hardware, freeing the 20 MIPS core for application logic. In use, pair the MCU with an external transceiver such as the TJA1050 or TJA1042 and terminate the bus with 120-ohm resistors at both ends; hardware filtering reduces CPU interrupt load compared with software CAN implementations.
Recomendado
Home Appliances
Appliance control boards benefit from the STM8S207C8T6's combination of 5V operation, robust EEPROM for user settings, and a rich timer set for motor, heater, and fan PWM control. The 10-bit ADC reads temperature sensors (NTC), potentiometers, and mains zero-cross detection. The 64 KB Flash accommodates multi-language UI code and firmware growth, while the wide 2.95V-5.5V operating range adds margin on low-cost linear supplies common in appliance designs.
Recomendado
Motor Control (Small BLDC/DC)
The 16-bit advanced-control timer with complementary PWM outputs and dead-time insertion makes the STM8S207C8T6 suitable for small BLDC and brushed-DC motor drives. The 10-bit ADC samples shunt current for closed-loop control at up to 24 MHz core speed, and 38 I/O pins handle Hall sensors and gate-driver interfacing. Using the MCU's hardware PWM avoids software jitter, improving torque ripple performance versus bit-banged solutions on lesser MCUs.
Recomendado
Sensor Interfaces and Data Logging
The 10-bit ADC with up to 10 multiplexed channels, I2C/SPI/UART interfaces, and 2 KB EEPROM make the STM8S207C8T6 an efficient sensor hub and logger. Analog sensors connect directly to ADC channels, while digital sensors use I2C or SPI; the EEPROM holds configuration and event counters through power cycles with 300k endurance. The two UARTs allow simultaneous sensor front-end and host/telemetry links, and the 5V range simplifies interfacing with legacy analog signal chains.
Recomendado
Automotive Body Electronics
For non-powertrain automotive body functions (lighting modules, window/seat control, wiper nodes), the STM8S207C8T6 offers CAN 2.0B networking, 5V operation, and robust timers for load PWM control. Designers should select the appropriate temperature-grade suffix for the vehicle environment and pair the CAN controller with an AEC-Q100 qualified transceiver such as the ISO1050 or TJA1042 for bus robustness. The 64 KB Flash supports diagnostics and OEM communication stacks.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para STM8S207C8T6 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | STM8S207C8T3 | STM8S207CBT6 | STM8S007C8T6 | STM8S105C6T6 |
|---|---|---|---|---|---|
| Package | LQFP-48 | LQFP-48 - same | LQFP-48 - same | LQFP-48 - same | LQFP-48 - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| CPU Frequency | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 16 MHz |
| Flash Memory | 64 KB | 64 KB | 128 KB | 64 KB | 32 KB |
| RAM | 4 KB | 4 KB | 6 KB | 4 KB | 2 KB |
| CAN Controller | Yes (2.0B) | Yes (2.0B) | Yes (2.0B) | Yes (2.0B) | No |
| Operating Voltage | 2.95 V - 5.5 V | 2.95 V - 5.5 V | 2.95 V - 5.5 V | 2.95 V - 5.5 V | 2.95 V - 5.5 V |
| Product Line | Performance line | Performance line | Performance line | Mainstream line | Value line |
Diferenciadores clave
- Integrated CAN 2.0B controller (frente a STM8S105C6T6)
- Double the Flash capacity (frente a STM8S105C6T6)
- Extended temperature availability at same pinout (frente a STM8S207C8T3)
Notas de diseño
Decouple VDD and VDDA separately with 100nF ceramic capacitors placed as close to the pins as possible, each with a low-impedance path to VSS/VSSA. Connect VSSA and VSS at a single star point to avoid digital noise corrupting ADC readings. Use a solid ground plane on the outer layer under the LQFP-48 for best EMC performance on 5V industrial rails.
The SWIM single-wire debug pin (PD0) requires a pull-up resistor and must be routed to a programming header - omitting it makes field reprogramming impossible. For CAN, an external transceiver is mandatory (MCU pins are TTL-level only) and the bus must be terminated with 120-ohm resistors at both ends; unterminated CAN buses cause intermittent errors that are hard to diagnose.
The STM8S207C8T6 dissipates well under 100 mW in typical operation (5.4 mA at 24 MHz on 5V), so no heatsink or thermal pad consideration is required. Ensure the LQFP-48 land pattern follows ST's recommended footprint with 0.5 mm pitch solder mask expansion to prevent solder bridging during reflow.
Información de cumplimiento
RoHS compliant per STMicroelectronics product data. Verify latest certificate of conformity on the ST product page.
