PIC16F1937-E/MV - 32MHz 8-Bit LCD MCU | Microchip
MPN: PIC16F1937-E/MV ✓ نشطPIC16F1937-E/MV نظرة عامة
A microcontroller is a programmable system-on-chip that integrates a CPU, memory, digital I/O, timers, communication peripherals, and supporting control logic on one semiconductor device. In the hierarchy of electronic components, this PIC16 device belongs to the 8-bit MCU class, which sits below embedded controllers and above general-purpose semiconductor logic. Its LCD driver and low-power XLP features make it suitable for compact control systems that need local display support and efficient standby operation.
The supplied data identifies 14 KB of Flash program memory, 256 bytes of EEPROM, 32 MHz clock operation, 25 I/O ports, and a 2.3 V to 5.5 V supply range. The -E/MV ordering also places the device in Microchip's 28-pin SOIC-28, 7.50 mm lead-free plastic package family. Exact RAM, timer, ADC, comparator, communication-peripheral, current-consumption, programming, and environmental-limit values were not supplied and therefore are not inferred here.
The MCU combines a conventional 8-bit architecture with integrated LCD-drive capability, reducing the need for an external display controller in suitable segment or common LCD designs. Its Flash memory supports in-system configuration workflows, while EEPROM provides nonvolatile data storage. The 32 MHz clock rating provides additional processing headroom, although real firmware performance depends on the selected clock configuration, peripherals, memory map, and application workload.
Typical uses include automotive information and control modules, compact panel controllers, instrument-cluster electronics, industrial user-interface controllers, battery-powered instruments, and low-power embedded control systems. Engineering selection should begin with the required LCD segment count, I/O allocation, voltage range, memory demand, temperature grade, package footprint, and qualification requirements.
Place required bypass capacitors close to the supply pins and route sensitive communications away from switching nodes. Confirm every LCD output, programming interface, oscillator connection, and unused I/O against the manufacturer pinout and device-specific errata before release.
This page consolidates the supplied Microchip, Mouser, DigiChip, Octopart, Datasheets.com, AllDataSheet, Xecor, and cross-reference results with explicit engineering cautions. It distinguishes verified facts from unavailable parameters rather than guessing, helping designers evaluate LCD, low-power, automotive, and 28-pin SOIC requirements more efficiently.
بدائل مباشرة لـ PIC16F1937-E/MV — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC16F1937-E/MV (نفس عامل الشكل والبصمة) — يختلف في Package, ADC, I/O Pins, Program Memory (Flash), Low-Power Technology.
لا تتوفر بدائل متوافقة تمامًا لهذا المنتج.
اطلب بدائلPIC16F1937-E/MV الحدود القصوى والخصائص الكهربائية
| Product Type | 8-bit flash-based CMOS microcontroller |
| Maximum Clock Speed | 32 MHz |
| Program Memory | 14 KB Flash |
| EEPROM | 256 bytes |
| I/O Ports | 25 |
| Supply Voltage Range | 2.3 V to 5.5 V |
| Program Memory Type | Flash |
| Architecture | 8-bit |
| Integrated Display Support | LCD driver |
| Low-Power Technology | nanoWatt XLP technology |
| العلبة | SOIC-28, 7.50 mm, lead-free plastic |
| نوع التركيب | Surface mount |
| Terminal Count | 28 terminals |
| حالة دورة الحياة | Active |
| Temperature Grade | Automotive |
| Lead-Free Status | Lead-free |
| Debug Support | Integrated on-device debug support; no debug header required |
دليل تكوين أطراف PIC16F1937-E/MV soic-28, 7.50 mm, lead-free plastic
تكوين الأطراف لـ PIC16F1937-E/MV (حزمة soic-28, 7.50 mm, lead-free plastic). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ PIC16F1937-E/MV.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
PIC16F1937-E/MV مناسب لـ 6 التطبيقs: Automotive Instrument and Control Module, LCD Panel Controller, Battery-Powered Measurement Instrument, Industrial User-Interface Controller, Embedded Sensor Hub, Connected Monitoring Node.
Automotive Instrument and Control Module
The PIC16F1937-E/MV fits compact vehicle interface electronics that need an 8-bit control engine, local LCD output, and low-power operation. Its verified 32 MHz maximum clock provides timing headroom, while 14 KB of Flash supports embedded control code and 256 bytes of EEPROM stores limited nonvolatile configuration data. The 2.3 V to 5.5 V operating range can support regulated automotive power systems when the complete signal chain also satisfies transient, noise, and load-dump requirements. Use the part between protected supply networks and the display or input circuitry, not as a standalone protection device. The supplied listing identifies an automotive temperature grade, but engineers must verify the exact temperature limits, AEC-Q100 qualification, pins, LCD resources, and electrical margins from Microchip documentation before production release.
موصى به
LCD Panel Controller
The PIC16F1937-E/MV is appropriate for a compact local panel controller because it combines 25 I/O ports with an integrated LCD driver and 14 KB of Flash. The MCU can supervise buttons, indicators, sensors, and display-segment logic without a dedicated external LCD controller, subject to the exact segment and common-drive capability. Its 32 MHz maximum clock can support deterministic scanning and control tasks, while the 2.3 V to 5.5 V range accommodates compatible low-voltage display systems. Match the LCD's voltage, bias, drive waveform, and pin mapping before schematic capture. Decoupling and signal routing should separate sensitive display and touch inputs from switching nodes; the stated features establish suitability but do not provide the missing segment count or bias specifications.
موصى به
Battery-Powered Measurement Instrument
The nanoWatt XLP positioning of the PIC16F1937-E/MV makes it a candidate for battery-powered meters, environmental monitors, and portable test equipment where an LCD is central to the user interface. The device can retain control firmware in 14 KB of Flash and use 256 bytes of EEPROM for calibration or configuration data, although larger data logs require external nonvolatile storage. Its 2.3 V minimum operating voltage can support efficient power conversion when the display, sensor, and regulator share a compatible voltage plan. Sleep-mode current, wake-up latency, analog accuracy, and LCD bias consumption were not supplied, so battery life cannot be predicted from the available data. Prototype the complete duty cycle and verify low-power behavior with the manufacturer documentation and measured current profiles.
موصى به
Industrial User-Interface Controller
The PIC16F1937-E/MV can serve as the local controller in industrial access panels, small HMI boards, and equipment front ends where an LCD and modest real-time control are needed. Its 25 I/O ports leave interfaces for keys, indicators, alarm outputs, and sensor inputs, while the integrated LCD driver reduces the component count of simple displays. The 32 MHz maximum clock and 8-bit architecture are suitable for menu logic, state machines, debouncing, and periodic data formatting. Industrial use still requires review of the exact temperature grade, supply tolerance, ESD strategy, isolation, grounding, and enclosure-related stress. The part is not a network controller by itself; external transceivers and protection may be required depending on the selected communication medium and installation environment.
موصى به
Embedded Sensor Hub
The PIC16F1937-E/MV can coordinate a compact sensor hub when the system needs moderate processing, several digital I/O points, nonvolatile parameters, and a local LCD. Fourteen kilobytes of Flash is sufficient for many state-machine and acquisition-control applications, and the integrated debug support can shorten firmware bring-up without requiring a separate header according to the supplied description. The 256-byte EEPROM is appropriate for calibration constants or configuration records, not large measurement buffers. Because ADC resolution, timer resources, comparator functions, and sleep current were not supplied, peripheral suitability must be verified in the datasheet. Keep high-impedance sensor traces short, provide local reference bypassing where required, and isolate analog inputs from LCD scan lines and digital switching edges.
موصى به
Connected Monitoring Node
The PIC16F1937-E/MV can serve as the local supervisory MCU in a small monitoring node that displays status and forwards information through an external communications device. Its 8-bit architecture, integrated LCD driver, 25 I/O ports, and 14 KB of Flash suit diagnostics, event counters, threshold control, and low-power wake-up tasks. A communication transceiver such as Ethernet, CAN, or RS-485 must be added because those interfaces are not established in the supplied data. The low-voltage range is useful for sensor nodes, while the automotive grade label requires careful verification before use in vehicles. Firmware should include watchdog recovery, brownout behavior, bus timeouts, and graceful output states. Validate EMC, ESD, grounding, and fault protection at the system level rather than relying on the MCU package alone.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC16F1937-E/MV — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
أبرز الفروقات
- Integrated LCD drive with a 25-I/O 8-bit MCU (مقابلPIC16F1937-E/P)
- 32 MHz clock and 14 KB Flash integration (مقابلPIC16F1937-E/ML)
- Low-voltage XLP-oriented platform for compact controls (مقابلPIC16F1937-I/PT)
ملاحظات التصميم
Before layout release, verify the exact SOIC-28 land pattern against the Microchip package drawing because one supplied search snippet incorrectly associated the MPN with 40 terminals. Preserve pin 1 orientation, maintain recommended solder-mask and copper geometry, and confirm the lead pitch and body dimensions from the authoritative package documentation. Treat every LCD and I/O connection as device-specific; the verified result confirms 25 I/O ports but does not provide the complete pin map.
Plan the power tree around the verified 2.3 V to 5.5 V operating range. Place required bypass components at the device supply pins and use the datasheet-supported capacitance and voltage ratings rather than generic values. Account for LCD bias, external interface loads, startup current, and regulator headroom. If the source is automotive or industrial, place protection, filtering, and transient-energy control ahead of the MCU and validate the complete rail under worst-case conditions.
Do not equate the supplied automotive temperature grade with a verified AEC-Q100 qualification, and do not treat another PIC16F193x suffix as drop-in solely because the base device number matches. Check the ordering code, package, temperature limits, electrical characteristics, LCD resources, and pin compatibility. For battery-powered designs, also avoid estimating runtime until sleep current, wake-up sources, LCD drive current, and peripheral duty cycle have been measured or verified.
Keep the LCD traces and sensor inputs away from oscillators, switching-regulator nodes, relay contacts, and high-slew-rate communication lines. Confirm the selected LCD's drive waveform, bias, and pin mapping, then test worst-case display patterns because simultaneous segment activation can change supply noise and interference. Use a contiguous ground return where practical and place analog or high-impedance nodes near their sources. The supplied material does not identify the exact LCD pinout, so no routing assignment is presumed here.
معلومات الامتثال
The verified DigiChip result describes the SOIC-28 package as lead-free plastic and Partstack labels the device as automotive temperature grade. The supplied data does not expressly confirm RoHS, REACH, halogen-free, conflict-minerals, or AEC-Q100 status.
