STM8SPLNB1M6 - 16MHz DiSEqC Slave MCU | STMicroelectronics
MPN: STM8SPLNB1M6 ✓ सक्रियSTM8SPLNB1M6 अवलोकन
A DiSEqC slave controller is a microcontroller that responds to commands from a master receiver over the standardized DiSEqC bus. The STM8SPLNB1M6 integrates this application-specific control function with clock, reset, supply management, reduced-power operation, and safe power-on and power-off handling. It is therefore positioned between a conventional microcontroller and a fixed-function bus controller.
Key characteristics include a maximum CPU frequency of 16 MHz, 3.3 V and 5 V operation as identified in product comparisons, and a 20-pin SOIC package. The device belongs to the STM8S family, uses the STM8 core and a CISC architecture, and is listed as ROMless for this application-specific configuration. The 20-pin package also allows a compact layout without requiring a high-pin-count package.
The controller's value comes from its application-specific integration. Instead of assigning a general-purpose MCU to manage the bidirectional DiSEqC handshake, power control, and switcher support functions, a SaTCR receiver design can use a device optimized for that interface. Its 16 MHz processing headroom allows protocol handling and supervisory logic to coexist without a larger application processor.
Typical uses include DiSEqC-controlled satellite LNB assemblies, multi-output switchers, and integrated receiver front ends that coordinate tuner, LNB, and switcher power sequencing. The part can also appear in receiver designs that require the master and slave ends of the DiSEqC interface to be implemented by dedicated microcontrollers rather than a single general-purpose controller.
When laying out a design, treat the STM8SPLNB1M6 as a single-purpose satellite-bus controller rather than a conventional STM8 application MCU. Verify the exact pin assignments, oscillator requirements, programming interface, and supply sequencing against the manufacturer datasheet before routing the board, because those implementation details are not interchangeable with a general-purpose STM8S device merely because the package is identical.
This page organizes the confirmed device identity, package information, application focus, and sourcing references for the STM8SPLNB1M6. It also distinguishes application-specific STM8S controllers from general-purpose STM8S devices so engineers can assess replacement risk, firmware dependencies, and the consequences of changing MCU families before committing a layout to production.
के लिए ड्रॉप-इन विकल्प STM8SPLNB1M6 — समान पैकेज, पिन-टू-पिन संगत। PCB रीवर्क आवश्यक करने वाले भिन्न-पैकेज पार्ट्स शामिल नहीं हैं।
इस सीरीज़ के वेरिएंट
समान श्रृंखला के मॉडल जो ड्रॉप-इन संगत हैं STM8SPLNB1M6 (समान फॉर्म फैक्टर और फुटप्रिंट) — इसमें भिन्न Access Line, Flash Program Memory, Package, Product Type, Supply Voltage.
STM8S103F2M6
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →STM8S103F3M6
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →STM8SPLNB1M6 Maximum Ratings और Electrical Characteristics
| Device Type | Application-specific 8-bit microcontroller |
| Product Type | DiSEqC slave MCU |
| Manufacturer | STMicroelectronics |
| Series | STM8S |
| Core | STM8 8-bit CISC core |
| Maximum CPU Frequency | 16 MHz |
| सप्लाई वोल्टेज | 3.3 V / 5 V |
| Program Memory | ROMLess configuration |
| पैकेज | 20-SOIC (0.295 inch, 7.50 mm width) |
| Package Type | Surface-mount SOIC |
| पिन की संख्या | 20 pins |
| Primary Application | SaTCR-based LNBs and switchers |
| Bus Interface | DiSEqC slave interface |
| Power Management Features | Reduced power consumption and safe power-on/power-off management |
| Clock and Reset Management | Integrated clock, reset, and supply management |
| Packaging | Tube |
STM8SPLNB1M6 surface-mount soic पिन कॉन्फ़िगरेशन गाइड
STM8SPLNB1M6 (surface-mount soic पैकेज) के लिए पिन कॉन्फ़िगरेशन। इस डिजिटल IC में GPIO, संचार इंटरफ़ेस (UART, SPI, I2C) और पावर पिन शामिल हैं। वैकल्पिक पिन फ़ंक्शन और कॉन्फ़िगरेशन विकल्पों के लिए निर्माता डेटाशीट देखें। एम्बेडेड सिस्टम डिज़ाइन और PCB लेआउट के लिए आवश्यक।
इसके लिए कोई विस्तृत pinout data उपलब्ध नहीं: STM8SPLNB1M6.
देखें डेटाशीट पूर्ण पिन कॉन्फ़िगरेशन के लिए।
सामान्य अनुप्रयोग
STM8SPLNB1M6 के लिए उपयुक्त है 6 अनुप्रयोगs: DiSEqC Slave Interface Control, SaTCR LNB Control, Multi-Output Satellite Switchers, Satellite Receiver Front Ends, Tuner and LNB Power Sequencing, Satellite Command Test Equipment.
DiSEqC Slave Interface Control
The STM8SPLNB1M6 is intended to implement the slave side of a DiSEqC conversation in satellite receiver equipment. Its 16 MHz STM8 core provides protocol-processing headroom, while the application-specific design reduces the work required to coordinate bus handshaking and control commands. Integrating this controller beside a tuner and LNB assembly allows the receiver to respond to master commands without assigning a general-purpose MCU to routine satellite-bus traffic. Confirm the supported command set, interface levels, and firmware behavior against the manufacturer documentation before fixing the system architecture.
अनुशंसित
SaTCR LNB Control
In a SaTCR-based LNB assembly, the STM8SPLNB1M6 can manage the local control and power-sequencing functions associated with satellite-bus commands. Its maximum 16 MHz operating speed supports protocol handling alongside supervisory logic, and the integrated clock, reset, and supply management simplifies implementation on a constrained receiver board. The 20-SOIC footprint also keeps the controller compact compared with larger leaded packages. Validate the LNB voltage, tone-switching behavior, and startup sequence against the exact reference design used for the target receiver.
अनुशंसित
Multi-Output Satellite Switchers
The STM8SPLNB1M6 suits switcher subsystems that need coordinated output selection and power management under DiSEqC master control. Its application-specific ROMless configuration is intended for this class of equipment, and its reduced-power operation supports designs that must remain quiet or inactive when a selected satellite path is not in use. Safe power-on and power-off management helps implement controlled transitions between tuner and LNB feeds. Board designers should still verify switch timing, relay or RF-switch drive levels, and fault handling because those requirements depend on the surrounding switcher architecture.
अनुशंसित
Satellite Receiver Front Ends
In a receiver front end, the STM8SPLNB1M6 can serve as the dedicated satellite-bus controller while the main processor manages tuner, video, audio, and user-interface functions. This division of responsibility keeps repetitive DiSEqC transactions and power-control tasks away from the primary application processor. The device's 16 MHz core provides enough performance for protocol work, and the 20-SOIC package supports routing within a compact tuner/LNB daughterboard. System partitioning must preserve the required command timing and startup order across both controllers.
अनुशंसित
Tuner and LNB Power Sequencing
The STM8SPLNB1M6 is appropriate where receiver power rails must follow a controlled satellite-bus command sequence. Its integrated supply management and safe power-on and power-off behavior support deterministic activation of tuner, LNB, and associated switching circuitry. The 16 MHz STM8 core can supervise status inputs while responding to the DiSEqC master. Use the manufacturer timing diagrams to set power-up delays, and place local decoupling and signal-conditioning components according to the recommended reference layout for reliable operation.
अनुशंसित
Satellite Command Test Equipment
The STM8SPLNB1M6 can be used in bench equipment that emulates or exercises the slave side of a DiSEqC installation. Its application-specific architecture allows test firmware to target the same control functions used in satellite LNB and switcher products, while the 16 MHz core supports repeatable command processing. A compact 20-SOIC package also simplifies prototype construction and panel-board assembly. When developing test equipment, verify that the emulated voltage levels, timing, and supported commands match the receiver ecosystem rather than assuming ordinary UART behavior.
अनुशंसित
के लिए इंजीनियरिंग संदर्भ डेटा STM8SPLNB1M6 — तुलना, डिज़ाइन मार्गदर्शन और अनुपालन जानकारी।
चयन गाइड
विकल्पों के साथ तुलना
| पैरामीटर | यह उत्पाद | STM8S103F2M6 | STM8S103F3M6 |
|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 20-SOIC (0.295 inch, 7.50 mm width) | 20-SOIC (0.295 inch, 7.50 mm width) - same package | 20-SOIC (0.295 inch, 7.50 mm width) - same package |
| Device Type | Application-specific DiSEqC slave microcontroller | General-purpose 8-bit microcontroller | General-purpose 8-bit microcontroller |
| Maximum CPU Frequency | 16 MHz | 16 MHz | 16 MHz |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Core Architecture | STM8 8-bit CISC core | STM8 8-bit CISC core | STM8 8-bit CISC core |
| Primary Interface | DiSEqC slave | General-purpose MCU peripherals | General-purpose MCU peripherals |
| Target Applications | SaTCR-based LNBs and switchers | General-purpose embedded control | General-purpose embedded control |
मुख्य विशेषताएँ
- Purpose-built DiSEqC slave architecture (बनामSTM8S103F2M6)
- Integrated satellite-bus power management (बनामSTM8S103F3M6)
- Matched 16 MHz control performance in a compact package (बनामSTM8S103F2M6)
डिज़ाइन नोट्स
Do not assign PCB signals from the STM8S103F2M6 or STM8S103F3M6 comparison pages even though all three devices use a 20-SOIC outline. The STM8SPLNB1M6 is application-specific and ROMless, so its pin functions may differ from general-purpose STM8S devices. Use the manufacturer pin-description table for every net, including power, ground, reset, clock, programming, and satellite-bus signals, before releasing the PCB artwork.
Implement the receiver's satellite-bus power sequence around the device's documented safe power-on and power-off behavior. Keep the STM8SPLNB1M6 supply within its rated operating range, provide local bypass capacitors at the supply pins, and separate noisy tuner or switching loads from sensitive control traces with careful return-current planning. Sequence dependent rails in software only after their regulators and signal interfaces are confirmed to tolerate the intended startup order.
Avoid treating this ROMless application-specific controller as a standard STM8S application MCU with interchangeable peripheral mapping. A replacement program must account for the dedicated DiSEqC slave architecture, command timing, memory organization, and startup sequence. Prototype the firmware and bus behavior on the intended hardware, then compare command responses and rail sequencing against the original receiver before considering it for production.
Keep the satellite-bus interface traces short and route them away from high-current switching and tuner drive paths. Use a continuous ground reference beneath the controller area and return switch currents directly to their supply capacitors rather than through control-ground paths. Verify signal levels, termination, and protection requirements in the satellite-bus reference design because they depend on the connected LNB, switcher, and tuner architecture.
अनुपालन जानकारी
No explicit compliance declarations are listed for this MPN. The device is an application-specific satellite-bus controller rather than an automotive-qualified product in the available documentation.
