STM8S207CBT3 - 24MHz 8-Bit MCU, 128KB Flash | STMicroelectronics
MPN: STM8S207CBT3 ✓ פעילSTM8S207CBT3 סקירה
A microcontroller is a programmable semiconductor that integrates a CPU core, memory, I/O, and peripherals into a single component. Within the electronics hierarchy, the STM8S207CBT3 belongs to the STM8S family of 8-bit microcontrollers and sits below general-purpose MCU, embedded processor, and semiconductor categories. Its internal Flash memory allows firmware, configuration data, and application constants to be stored directly on the chip, reducing the component count of a standalone controller board.
The manufacturer identifies this device as a performance-line member operating at 24 MHz with 128 KB of Flash. The 128 KB total is organized as 128K x 8, according to the distributor listing. Its stated 3 V to 5.5 V supply range supports conventional embedded systems, while 38 I/O ports provide connections for digital control signals, switches, indicators, and peripheral interfaces.
The STM8S20xxx family is intended for applications requiring more performance and memory than smaller STM8 devices. That positioning makes the STM8S207CBT3 useful in industrial controllers, compact automation equipment, sensor nodes, motor-control systems, and consumer products. Its 48-LQFP package exposes a comparatively generous pin count while remaining compatible with standard surface-mount assembly and inspection processes.
Typical design choices include using the 3.3 V or 5 V rail within the stated 3 V to 5.5 V range, programming the internal Flash through the manufacturer-supported development interface, and assigning I/O according to the pin-description table in the datasheet. Designers should preserve the device-specific pin multiplexing, oscillator, reset, and debug connections when laying out a new PCB.
For new designs, confirm the complete electrical limits, peripheral configuration, startup behavior, and package drawing in the manufacturer datasheet before committing the footprint. The 48-LQFP land pattern should be checked against the official mechanical drawing, and unused I/O pins should be treated according to the device guidance rather than assigned automatically.
This product page organizes the verified identity, core specifications, sourcing paths, same-package alternatives, and design considerations for STM8S207CBT3. It also identifies where additional engineering data must be consulted, helping engineers move from general MCU selection to a verified schematic and layout review.
חלופות תחליף ישיר עבור STM8S207CBT3 — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם STM8S207CBT3 (אותו גורם צורה וטביעת רגל) — שונים ב Package, Product Type, Flash Program Memory, Program Memory Type.
STM8S207CBT6
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←STM8S208CBT6
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←STM8S207RBT6TR
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
STM8S207CBT6TR
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
STM8S207CBT3TR
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
STM8S207CBT3 דירוגים מרביים ומאפיינים חשמליים
| Product Type | 8-bit Microcontroller Unit (MCU) |
| Microcontroller Family | STM8S |
| Maximum Clock Speed | 24 MHz |
| Flash Memory Size | 128 KB |
| Flash Organization | 128K x 8 |
| Supply Voltage Range | 3 V to 5.5 V |
| I/O Port Count | 38 |
| מארז | 48-LQFP |
| CPU Architecture | 8-bit |
| Product Line | Performance line |
| Program Memory Type | Flash |
| סוג הרכבה | Surface Mount |
| סטטוס מחזור חיים | Active |
מדריך תצורת פינים של STM8S207CBT3 48-lqfp
תצורת פינים עבור STM8S207CBT3 (מארזת 48-lqfp). מעגל משולב דיגיטלי זה כולל GPIO, ממשקי תקשורת (UART, SPI, I2C) ופיני מתח. יש לעיין בגיליון הנתונים של היצרן לפונקציות פינים חלופיות ולאפשרויות תצורה. חיוני לתכנון מערכות משובצות ולפריסת PCB.
אין נתוני פריסת פינים מפורטים עבור STM8S207CBT3.
עיינו ב- גיליון נתונים עבור תצורת פינים מלאה.
יישומים טיפוסיים
STM8S207CBT3 מתאים עבור 6 יישוםs: Industrial Automation Controller, Sensor Conditioning and Data Acquisition, Motor and Actuator Control, Communication Gateway and Protocol Converter, Consumer Appliance Controller, LED Lighting and Display Control.
Industrial Automation Controller
The STM8S207CBT3 fits compact industrial automation controllers that require deterministic control logic, 128 KB of embedded Flash, and access to 38 I/O ports. Its 24 MHz 8-bit core can execute sequencing, state-machine, and supervisory functions while the 3 V to 5.5 V range supports 3.3 V or 5 V control rails. The 48-LQFP package provides enough pins for discrete inputs, relay or transistor drivers, status indicators, and a programming connector. Before finalizing an industrial design, verify the exact peripheral map, operating-temperature grade, reset circuit, oscillator arrangement, and ESD requirements in the STMicroelectronics datasheet.
מומלץ
Sensor Conditioning and Data Acquisition
The STM8S207CBT3 is appropriate for sensor-conditioning and data-acquisition modules that must combine measurement control, configuration storage, and local communications. Its 128 KB Flash provides room for application firmware and lookup data, while 38 I/O ports can support sensor inputs, switches, status lines, and peripheral connections. Operating at 24 MHz allows responsive sampling and filtering without requiring a higher-cost processor class. Use the manufacturer datasheet to confirm ADC channels, timer resources, comparator availability, and peripheral multiplexing, because those functions vary across STM8S20xxx order codes.
מומלץ
Motor and Actuator Control
The STM8S207CBT3 can serve as the supervisory controller in small motor, solenoid, valve, and actuator systems. Its 24 MHz clock and embedded Flash support closed-loop sequencing, fault handling, timing functions, and configurable output states, while the 48-LQFP package leaves numerous pins for encoders, switches, and driver interfaces. The 3 V to 5.5 V operating range is compatible with common embedded logic levels, although power transistors and protection components must handle the load separately. Confirm timer channels, PWM outputs, capture functions, and pin assignments in the official pin and peripheral tables before assigning the motor-control circuitry.
מומלץ
Communication Gateway and Protocol Converter
The STM8S207CBT3 is well suited to a compact protocol-conversion gateway when the design needs substantial firmware storage alongside many digital interfaces. The 128 KB Flash can hold protocol stacks, configuration tables, and routing logic, while 38 I/O ports support serial, status, and control connections. Its 24 MHz performance provides useful headroom for lightweight packet handling, and the 48-LQFP package remains practical for leaded assembly and inspection. Interface suitability must be established from the datasheet, including UART, SPI, I2C, and timer resources, before selecting external transceivers or assigning connector pinouts.
מומלץ
Consumer Appliance Controller
The STM8S207CBT3 can serve as the main controller in a consumer appliance where a dedicated low-cost MCU must manage user inputs, displays, motors, and safety-related state. Its 128 KB Flash accommodates feature-rich firmware, and the 24 MHz 8-bit architecture is suitable for real-time control tasks in products such as kitchen equipment, small air treatment units, or personal-care devices. The 38 I/O ports allow connection of buttons, indicators, sensor inputs, and driver-control lines. The designer must verify timing, standby behavior, watchdog operation, and every peripheral assignment for the selected suffix in the manufacturer documentation.
מומלץ
LED Lighting and Display Control
The STM8S207CBT3 can coordinate LED lighting, indicators, or compact display systems where timing accuracy and embedded control logic matter. At 24 MHz, it can handle multiplexed display updates, button input, status sequencing, and communication with external drivers, while 128 KB of Flash provides room for graphics tables and operating modes. The 38 I/O ports simplify direct LED and switch connections, and the 48-LQFP package offers a practical leaded footprint for products assembled at moderate volumes. Confirm PWM channels, timer outputs, pin-drive limits, and alternate-function states in the official datasheet before establishing LED current paths.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור STM8S207CBT3 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | STM8S207CBT6 | STM8S208CBT6 | STM8S207RBT6TR | STM8S207CBT6TR | STM8S207CBT3TR |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 48-LQFP | 48-LQFP | 48-LQFP | 48-LQFP | 48-LQFP | 48-LQFP |
| CPU Architecture | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit |
| Maximum Clock Speed | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| Supply Voltage Range | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V |
| I/O Port Count | 38 | 38 | 38 | 38 | 38 | 38 |
| Temperature-Grade Suffix | T3 | T6 | T6 | T6 | T6 | T3 |
| Shipping Format Suffix | No TR suffix | No TR suffix | No TR suffix | TR | TR | TR |
| Peripheral Configuration | STM8S207 | STM8S207 | STM8S208 | STM8S207 | STM8S207 | STM8S207 |
מבדילים עיקריים
- Combines 128 KB Flash with a 24 MHz 8-bit performance-line core (לעומתSTM8S207CBT6)
- Retains the STM8S207 device identity for firmware-compatible designs (לעומתSTM8S208CBT6)
- Matches the 48-LQFP footprint of identified same-family alternatives (לעומתSTM8S207RBT6TR)
- Provides 38 I/O ports in a 48-LQFP package (לעומתSTM8S207CBT6TR)
הערות תכנון
Create the footprint directly from the official 48-LQFP mechanical drawing in the STMicroelectronics datasheet rather than scaling a generic LQFP footprint. Confirm body dimensions, lead span, pitch, pin numbering, and courtyard clearance. Keep the programming, reset, clock, and decoupling connections accessible, and route the exposed supply reference required by the selected device directly to a quiet ground plane.
Design the supply rail for the verified 3 V to 5.5 V operating range and check startup, reset, and current behavior against the datasheet. Place local input and output bypass capacitors at their associated power pins, with the shortest possible return paths. If the controller drives relays, motors, LEDs, or communication transceivers, separate those loads from sensitive logic and validate the rail during the highest switching condition rather than only at idle.
Do not substitute a different STM8S207 order code based on the package alone. The T3, T6, R, B, C, and TR suffixes can encode temperature grade, Flash organization, or shipment format, and STM8S208 may also differ in peripheral behavior. Review the memory map, peripheral inventory, pin multiplexing, boot options, and qualification requirements before approving a replacement or reusing an existing binary image.
Assign pins from the exact STM8S207CBT3 pin-description table before laying out the board. Confirm alternate-function assignments for serial interfaces, timers, analog inputs, and debug functions, and preserve the manufacturer's recommendations for oscillator stability, reset input, and unused pins. This avoids last-minute board changes that can introduce incompatible assignments or prevent reliable programming in production.
Keep switching-node and high-current return paths away from the MCU power pins, oscillator, reset network, and communication interfaces. Use a compact ground reference for bypass capacitors, maintain short return paths for high-speed signals, and provide isolation between noisy actuator wiring and sensitive controller traces. Validate signal levels and interface direction against the exact peripheral configuration rather than assuming compatibility from another STM8S member.
מידע על תאימות
The active lifecycle designation is confirmed, but the product listing and family datasheet excerpts do not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. Obtain the current manufacturer product information and declaration documents before making a compliance claim.
