STM8S208CBT6 - 24MHz 8-Bit MCU, 128KB Flash | STMicroelectronics
MPN: STM8S208CBT6 ✓ AktifSTM8S208CBT6 Ringkasan
An 8-bit microcontroller is a microprocessor optimized for embedded control tasks such as sensing, actuator control, communications, and system supervision. The STM8S belongs to the STM8S performance line and combines an 8-bit CISC architecture with dedicated peripheral interfaces. This hierarchy places it above basic 8-bit controllers in performance while retaining the simple programming model and cost profile associated with embedded microcontrollers.
The principal device characteristics are a 24 MHz operating frequency, 128 KB of Flash memory, and a 48-pin LQFP package. Integrated EEPROM supports nonvolatile parameter storage, while the 10-bit ADC provides a practical interface for analog sensors. Two UARTs support serial diagnostics or external-module communication, and the SPI and I²C interfaces allow connection to displays, sensors, memory, and other digital peripherals. CAN support makes the device relevant to distributed industrial and automotive-style control networks.
The STM8S208CBT6 integrates communication and timing resources in one package, reducing the need for external interface controllers. Its timer resources support periodic measurement, pulse generation, motor-control-oriented timing, and input capture functions. The combination of CAN, two UART channels, SPI, and I²C permits multiple independent communication paths while retaining a single embedded controller. Exact SRAM capacity, EEPROM capacity, ADC conversion rates, and individual timer counts must be confirmed in the manufacturer datasheet before final design sign-off.
Typical applications include industrial sensor nodes, building-control modules, motor and relay controllers, automotive accessories, CAN-connected equipment, and compact consumer products. Its 48-pin package provides more I/O and peripheral connectivity than smaller STM8 devices, making it appropriate when a design needs both communication breadth and a meaningful number of external connections. The trade-off is a larger footprint and board area than 20-pin or 32-pin alternatives.
For PCB design, assign pins from the exact STM8S208CB datasheet rather than inferring them from a generic STM8 symbol. Preserve the device’s decoupling requirements, provide a clean analog reference for the ADC, and route communication interfaces away from switching nodes. Confirm clock configuration, boot behavior, programming access, and unused-pin handling before committing the layout to production.
This product record combines the manufacturer’s STM8S208CB family information with package, interface, application, and substitution guidance. It highlights the engineering trade-offs among same-footprint STM8S options and provides practical design context for teams selecting a 24 MHz, 128 KB Flash 8-bit controller for CAN, serial, analog, and embedded-control designs.
Alternatif penggantian untuk STM8S208CBT6 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian STM8S208CBT6 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Product Type, ADC Resolution.
STM8S207CBT6TR
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
STM8S208CBT3TR
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
STM8S207CBT3
✅ Drop-InKontak untuk harga
Lihat Datasheet →STM8S207MBT6B
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
STM8AF5288TAY
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
STM8S208CBT6 Rating Maksimal & Karakteristik Listrik
| Product Type | 8-bit performance-line microcontroller |
| Maximum CPU Frequency | 24 MHz |
| Flash Program Memory | 128 KB |
| Program Memory Organization | 128K x 8 bits |
| ADC Resolution | 10 bits |
| UART Interfaces | 2 |
| SPI Interfaces | 1 |
| I²C Interfaces | 1 |
| CAN Interface | 1 |
| Tegangan Pemuat | 3.3 V or 5 V |
| Paket | 48-pin LQFP |
| Tipe Mounting | Surface mount |
| Status RoHS | Unknown |
| REACH Status | Unknown |
| AEC-Q100 Qualification | Unknown |
STM8S208CBT6 48-pin lqfp Diamant Konfigurasi Panduan
Konfigurasi pin untuk STM8S208CBT6 (48-pin lqfp pakai pakai). IC digital ini termasuk GPIO, antarmuka komunikasi (UART, SPI, I2C), dan pin kuasa. Lihat datasheet produsen untuk fungsi pin alternatif dan opsi konfigurasi. Penting untuk desain sistem pengemasan dan PCB.
Tidak ada data diatribut pin yang tersedia untuk STM8S208CBT6.
Lihat ke: datasheet produk untuk konfigurasi pin penuh.
Aplikasi Umum
STM8S208CBT6 cocok untuk 6 aplikasis: CAN-Connected Industrial Sensor Node, Building Control and HVAC Module, Automotive Accessory Controller, Motor Control and Relay System, Digital Instrument and Control Panel, Compact Consumer and Embedded Control Product.
CAN-Connected Industrial Sensor Node
The STM8S208CBT6 fits an industrial sensor node because it combines a 24 MHz 8-bit core, 128 KB Flash, a 10-bit ADC, and an integrated CAN interface in one 48-pin LQFP package. The ADC can acquire sensor signals while timers handle periodic sampling, and CAN provides networked communication with a system controller or actuator. Using two UARTs alongside CAN also permits local diagnostics and configuration without adding another serial controller. The design should use an appropriate CAN transceiver, 120-ohm termination at the bus ends, and a clean analog reference. Firmware should include node-address management, bus-error recovery, and scheduled sensor sampling because the MCU is intended to handle both acquisition and network management.
Direkomendasikan
Building Control and HVAC Module
The STM8S208CBT6 is suitable for a building-control module that must read environmental inputs and coordinate relays, actuators, and remote communications. Its 10-bit ADC supports temperature, illumination, and occupancy-sensor interfaces, while the 48-pin package provides more external I/O than compact 20-pin or 32-pin MCUs. Two UART channels can serve local service diagnostics or a communications module, and I²C can connect digital temperature sensors and displays. Firmware can schedule sampling through the timer resources and use I²C for short low-speed links, while a separate communication path handles supervisory data. For HVAC outputs, isolate inductive loads from the controller and use appropriate transistor or relay drive stages rather than driving loads directly from MCU pins.
Direkomendasikan
Automotive Accessory Controller
The STM8S208CBT6 can serve as the controller in a compact automotive accessory module when the required operating grade and automotive qualification are confirmed. Its 24 MHz execution speed is appropriate for coordinating switches, lamps, sensors, and communication links, while 128 KB Flash provides room for diagnostic logic and control functions. The 10-bit ADC can monitor analog feedback from sensors, and CAN supports communication with a vehicle network through an appropriate transceiver. Because the suffix and qualification details of the chosen ordering code must be checked, automotive production designs should verify the exact STM8S208CB grade, automotive standards, temperature range, and lifecycle status. Isolation, reverse-polarity protection, load dump handling, and transient suppression require board-level design beyond MCU pin compatibility.
Direkomendasikan
Motor Control and Relay System
The STM8S208CBT6 is appropriate for a relay or small-motor controller that requires deterministic timing, multiple inputs, and several communication options. Its timer resources support pulse generation, input capture, and periodic control tasks, while the 10-bit ADC can monitor current, position, or analog feedback signals. The 48-pin LQFP package exposes enough I/O for control inputs, status outputs, and external interface connections. SPI can connect to a display or position sensor, I²C can serve low-speed digital sensors, and the two UART channels provide expansion and diagnostics. Motor power stages should include driver transistors, flyback protection, and current limiting. Firmware should include startup limits and safe-state behavior so that an MCU reset or communications fault does not leave an actuator continuously energized.
Direkomendasikan
Digital Instrument and Control Panel
The STM8S208CBT6 fits a digital instrument or operator panel where a display, controls, analog inputs, and multiple communication paths must coexist. The 128 KB Flash capacity accommodates user-interface code, calibration tables, logging, and protocol handling, while the 24 MHz clock supports responsive keypad and display updates. SPI is suitable for a faster graphics or storage device, I²C can connect to low-speed displays and sensors, and the UART channels can provide service-port or external-module links. The 10-bit ADC supports simple analog controls or sensing. Firmware should separate display updates from control loops and use timer-driven scheduling. Layout should keep SPI traces short, provide local bypassing at each supply pin, and isolate analog inputs from switching outputs to reduce measurement noise.
Direkomendasikan
Compact Consumer and Embedded Control Product
The STM8S208CBT6 supports compact consumer products and embedded-control products that need more than a basic 8-bit MCU without moving to a 32-bit processor. The 24 MHz STM8S core handles user-interface logic, key scanning, sensor management, and serial-connected accessories, while 128 KB Flash provides useful code and data space. The 10-bit ADC can measure a simple analog input, and I²C, SPI, and two UARTs cover common peripheral types. Its 48-pin LQFP package provides a broad I/O and peripheral set, but it consumes more PCB area than smaller STM8 devices. A cost-conscious design should use the MCU only where its analog and communication resources justify the footprint, and should assign unused pins according to the datasheet rather than leaving control-capable outputs floating.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk STM8S208CBT6 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | STM8S207CBT6TR | STM8S208CBT3TR | STM8S207CBT3 | STM8S207MBT6B | STM8AF5288TAY |
|---|---|---|---|---|---|---|
| Package | 48-pin LQFP | 48-pin LQFP | 48-pin LQFP | 48-pin LQFP | 48-pin LQFP | 48-pin LQFP |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Series | STM8S performance line | STM8S | STM8S | STM8S | STM8S | STM8A automotive |
| CPU Architecture | 8-bit CISC | 8-bit CISC | 8-bit CISC | 8-bit CISC | 8-bit CISC | 8-bit CISC |
Diferensiator Kunci
- Doubles Flash capacity relative to the 64 KB STM8S207 alternatives (vsSTM8S207CBT6TR)
- Matches the 128 KB memory configuration of the closest same-family grade alternative (vsSTM8S208CBT3TR)
- Provides substantially more program memory than the automotive STM8A comparison candidate (vsSTM8AF5288TAY)
- Combines CAN with two UARTs, SPI, and I²C in the same 48-pin device (vsSTM8S207CBT3)
Catatan Desain
Place the required bypass capacitors at the STM8S208CBT6 supply pins with short, low-inductance connections. Separate analog and digital return currents where the board architecture permits, and route the analog reference through a quiet section of the PCB. The device supports 3.3 V or 5 V operation, but the selected supply voltage must also satisfy the ADC input limits and every external peripheral. Check the voltage tolerances of all connected modules before selecting the rail.
Assign every signal from the 48-pin LQFP pin-description table rather than from a generic STM8 schematic. Verify boot, reset, programming, oscillator, and alternate-function pins against the exact ordering code. Keep oscillator and sensitive analog traces away from relay drivers, motor outputs, and other switching nodes. A solid ground plane, short return paths, and a clear keepout beneath noisy power stages will reduce susceptibility to the 10-bit ADC measurements and communication errors.
Do not treat a shared 48-pin LQFP outline as proof that every family member is a drop-in replacement. Compare pin direction, reset state, alternate functions, Flash size, SRAM size, EEPROM size, timer channels, temperature grade, and qualification. In particular, a device with 64 KB Flash cannot directly replace one with 128 KB unless the existing image fits and the application is recompiled and regression-tested. Confirm SWD or equivalent debug access before removing the original part.
Treat CAN, SPI, and UART links as separate interface domains. CAN requires a suitable transceiver and correctly terminated bus; SPI requires controlled clock polarity, edge rate, and trace length; UART signals need appropriate levels and protection. I²C pull-ups must be sized for the bus voltage, capacitance, and sink-current limit. Avoid routing these interfaces in parallel with switching-node traces, and test signal integrity using the intended external device rather than only the MCU breakout board.
The STM8S208CBT6 is a digital microcontroller, so its package does not require a power-semiconductor safe-operating-area chart. Thermal design should nevertheless account for regulator dissipation, PCB copper, enclosure temperature, and nearby heat sources. Use the manufacturer’s maximum ambient and junction ratings for worst-case operating conditions. Place temperature-sensitive analog components away from the MCU when self-heating or processor load changes their thermal environment, and validate the assembled enclosure rather than relying only on junction-temperature estimates.
Informasi Konformitas
The STM8S208CBT6 product and cross-reference records do not provide explicit compliance declarations. Confirm RoHS, REACH, automotive qualification, lead-free status, halogen-free status, and conflict-minerals documentation for the exact ordering code before production release.