C8051F236R - 25MHz 8-Bit Mixed-Signal MCU | Silicon Labs (Tape & Reel)
MPN: C8051F236R ✗ जीवन की समाप्तिC8051F236R अवलोकन
A microcontroller is an integrated semiconductor containing a processor core, memory, and peripherals such as timers, serial interfaces, analog converters, comparators, and interrupt controls. In the system hierarchy, the C8051F236R belongs to the 8-bit microcontroller class, combines a digital processor with analog functions, and is used as the control and measurement hub of an embedded system.
Key features include up to 25 MIPS performance, 8 kB of ISP Flash, 1.25 kB of RAM, three 16-bit timers, two comparators with programmable hysteresis, a VDD monitor with brown-out detection, and on-chip JTAG debug circuitry. The integrated analog and timing resources can reduce the need for external components while simplifying firmware-driven measurement and control.
The C8051F236R uses an 8-bit C8051 architecture with an integrated mixed-signal feature set. Its three 16-bit timers support timing, event counting, and periodic control functions. The two comparators can generate interrupts or resets, while the VDD monitor helps supervise the supply. On-chip JTAG debug supports full-speed, non-intrusive in-system debugging without a separate emulator.
Typical applications include industrial sensor conditioning, data acquisition modules, small motor and actuator controllers, embedded instrumentation, and low-cost control systems where analog monitoring and precise timing are required. The 48-pin QFP package provides a conventional surface-mount format, although the QFP footprint is generally larger than modern compact packages.
When designing a board, preserve the required power, clock, reset, programming, and ground connections according to the manufacturer datasheet. Provide local decoupling near the supply pins and route programming and debug signals away from noisy analog inputs. Verify the exact pin names, voltage limits, and peripheral multiplexing before final PCB release because those details are not included in the supplied web excerpts.
This page consolidates verified C8051F236R specifications, distributor references, package information, and design guidance into a compact engineering reference. It also distinguishes verified facts from missing datasheet parameters and avoids presenting unverified alternatives as drop-in replacements.
के लिए ड्रॉप-इन विकल्प C8051F236R — समान पैकेज, पिन-टू-पिन संगत। PCB रीवर्क आवश्यक करने वाले भिन्न-पैकेज पार्ट्स शामिल नहीं हैं।
इस उत्पाद के लिए कोई drop-in alternatives उपलब्ध नहीं।
विकल्प अनुरोध करेंC8051F236R Maximum Ratings और Electrical Characteristics
| Product Type | Mixed-signal 8-bit microcontroller |
| Core | 8051 core |
| Maximum Performance | 25 MIPS |
| अधिकतम क्लॉक फ़्रीक्वेंसी | 25 MHz |
| Flash Memory | 8 kB |
| RAM | 1.25 kB |
| Timers | 3 x 16-bit timers |
| Comparators | 2 |
| Comparator Feature | Programmable hysteresis |
| Supply Monitor | VDD monitor and brown-out detector |
| Debug Interface | On-chip JTAG |
| Programming | In-system programming (ISP) |
| पैकेज | 48-pin QFP, 7 x 7 mm |
| माउंटिंग प्रकार | Surface mount |
C8051F236R 48-pin qfp, 7 x 7 mm पिन कॉन्फ़िगरेशन गाइड
C8051F236R (48-pin qfp, 7 x 7 mm 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: C8051F236R.
देखें डेटाशीट पूर्ण पिन कॉन्फ़िगरेशन के लिए।
सामान्य अनुप्रयोग
C8051F236R के लिए उपयुक्त है 7 अनुप्रयोगs: Industrial Sensor Conditioning, Data Acquisition Modules, Small Motor and Actuator Control, Embedded Instrumentation, Programmable Threshold Detection, Battery-Powered Control Node, Communications-Assisted Control.
Industrial Sensor Conditioning
The C8051F236R fits compact sensor-conditioning systems because its 8051 core runs at up to 25 MIPS while two comparators provide programmable hysteresis and can trigger interrupts or resets. The three 16-bit timers support sampling schedules, debounce timing, and periodic control operations. Its 1.25 kB of RAM is useful for modest calibration and filtering state, while 8 kB of Flash can hold a focused acquisition and control application. Confirm the analog input range and electrical limits in the manufacturer datasheet before connecting external sensors.
अनुशंसित
Data Acquisition Modules
For small data-acquisition modules, the C8051F236R provides a compact control platform with 25 MIPS processing, three 16-bit timers, and integrated comparators. Timers can establish precise sample intervals and acquisition windows, while comparator thresholds can provide fast event detection or safety interrupts. The 8 kB Flash and 1.25 kB RAM favor applications with local control logic and limited buffering rather than high-volume streaming. Use the verified pinout and datasheet electrical limits to define sensor inputs, trigger signals, and supply conditioning.
अनुशंसित
Small Motor and Actuator Control
The C8051F236R can serve as the timing and supervisory controller for small motor, relay, or actuator systems because it combines three 16-bit timers with an 8-bit control core at up to 25 MHz. Timers can generate step intervals, pulse-width timing, or periodic service tasks, while comparators can monitor feedback thresholds. The 48-pin QFP package exposes enough pins for multiple digital interfaces, subject to the exact pin multiplexing and package drawing. External driver transistors, protection networks, and appropriate supply regulation remain necessary; the MCU does not directly replace power-stage hardware.
अनुशंसित
Embedded Instrumentation
The C8051F236R is appropriate for small embedded instruments where local display, keypad, sensor, and control functions must be combined in one controller. Its three 16-bit timers support elapsed-time measurement, scan timing, and periodic updates, while the two comparators can implement threshold detection and simple protection functions. On-chip JTAG helps develop the firmware without an external emulator circuit. The limited 1.25 kB RAM requires disciplined buffer and stack management, and the final design should verify supply voltage, clock accuracy, and temperature limits from the manufacturer datasheet.
अनुशंसित
Programmable Threshold Detection
The C8051F236R's two comparators make it useful for programmable threshold detection in alarm, limit, or signal-quality systems. The verified feature description states that the comparators provide programmable hysteresis and can generate interrupts or resets, which helps prevent chatter near a switching threshold. The 25 MIPS core can evaluate the event and update output state, while the three timers provide timing references for debounce or holdoff intervals. Exact comparator input ranges, response time, output routing, and electrical limits must be confirmed from the manufacturer datasheet.
अनुशंसित
Battery-Powered Control Node
The C8051F236R can be used in a small battery-powered control node when its processing, timing, and analog-monitor functions reduce the need for separate support devices. The VDD monitor and brown-out detector provide supply-state supervision, while ISP and on-chip JTAG support development without removing the MCU from the target board. The 8 kB Flash and 1.25 kB RAM are well suited to compact control firmware, but quiescent current, sleep behavior, and analog power requirements are not present in the supplied data. Those values must be measured from the datasheet before estimating battery life.
अनुशंसित
Communications-Assisted Control
The C8051F236R can serve as a local control node in communications-assisted equipment when the design needs an 8051-compatible core, timers, and threshold monitoring in one package. The three 16-bit timers can support protocol timing, periodic servicing, and response deadlines, while ISP allows firmware updates in the field. The supplied excerpts do not enumerate the complete UART, SPI, or other serial-peripheral configuration, so interface selection must not be based on assumptions. Confirm the relevant port multiplexing, electrical specifications, and package pin assignments before finalizing a communication circuit.
अनुशंसित
अनुशंसित उत्पादों का सारांश
के लिए इंजीनियरिंग संदर्भ डेटा C8051F236R — तुलना, डिज़ाइन मार्गदर्शन और अनुपालन जानकारी।
चयन गाइड
विकल्पों के साथ तुलना
| पैरामीटर | यह उत्पाद |
|---|---|
| Package | 48-pin QFP, 7 x 7 mm |
| Brand | Silicon Labs |
| Core | 8051, 8-bit |
| Maximum Performance | 25 MIPS |
| Maximum Clock Frequency | 25 MHz |
| Flash Memory | 8 kB ISP Flash |
| RAM | 1.25 kB |
| Timers | 3 x 16-bit |
| Comparators | 2 with programmable hysteresis |
| Debug | On-chip JTAG |
| Supply Monitoring | VDD monitor and brown-out detector |
| Verified Price | $2.3135 for C8051F236R-GQ, as of 2026-10-23 |
मुख्य विशेषताएँ
- Integrated mixed-signal resources (बनामC8051F120-GQ)
- Debug and programming integration (बनामC8051F021-GQR)
- Timing resources for embedded control (बनामC8051F120-GQ)
डिज़ाइन नोट्स
Use the manufacturer datasheet to establish the allowed supply range, decoupling values, brown-out thresholds, and analog-supply requirements before laying out the board. The verified web excerpts identify a VDD monitor and brown-out detector but do not provide their voltage settings. Place the required supply capacitors close to the relevant pins, keep return paths short, and validate the rail during startup, reset, and peripheral activity.
Do not route programming, JTAG, clock, or high-current switching paths through sensitive analog areas. The two comparators and their hysteresis network can be affected by adjacent noise and copper impedance, so preserve the pin assignments and grounding strategy from the exact package drawing. Keep ISP and JTAG access available in production hardware when field programming or diagnostics are required. The supplied excerpts do not include the complete pinout, so verify every connection against the datasheet.
The C8051F236R has only 1.25 kB of RAM and 8 kB of Flash according to the supplied snippets. Avoid assuming that a large display buffer, protocol stack, or logging subsystem will fit; check stack depth, interrupt usage, and bootloader requirements during firmware planning. Also distinguish C8051F236R from C8051F236R-GQ when purchasing, and verify that a distributor listing actually refers to the exact suffix and package required by the PCB.
अनुपालन जानकारी
The supplied web excerpts identify the product and distributor availability but do not provide verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Compliance must be confirmed from the current manufacturer documentation or authorized distributor record.
