PIC16F1937-E/P - 8-bit MCU 14KB Flash LCD 40-Pin DIP | Microchip
MPN: PIC16F1937-E/P ✓ فعالPIC16F1937-E/P جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), non-volatile user storage (EEPROM), and a rich set of peripherals onto one die. The PIC16F1937 belongs to Microchip's enhanced mid-range PIC16 family and is positioned within the broader taxonomy: microcontroller -> 8-bit MCU -> flash MCU -> PIC16 family -> PIC16F193x sub-family. It uses a 14-bit instruction set and Harvard architecture with separate code and data buses, distinguishing it from von-Neumann 8-bit architectures used by some legacy designs.
Key features include nanoWatt XLP extreme-low-power technology (typical sleep current of tens of nA), an on-chip LCD driver capable of driving up to 116 segments, a 10-bit ADC with up to 14 channels, two 8-bit and one 16-bit timers, enhanced PWM modules, an MSSP/SPI/I2C module, an enhanced USART, and a 25-pin I/O capability. The wide operating voltage and low-power modes make it suitable for battery-powered consumer, industrial, and automotive-grade applications.
Architecturally, the PIC16F1937 leverages the enhanced mid-range core with hardware multiplier, a 32 kHz internal oscillator selectable via software, and a wide variety of oscillator options (HFINTOSC, LFINTOSC, EC, XT, HS, LP, RC). Code protection, low-voltage programming via ICSP, and an in-circuit debugger (ICD) interface provide flexible development workflows.
Typical applications include direct LCD-displayed low-power consumer devices (thermostats, blood pressure monitors, glucometers, electric meters, remote controls, and small appliances), industrial sensor front-ends with integrated glass LCD, automotive instrument clusters and HVAC control panels, white-goods and home appliance HMIs, and battery-powered IoT sensor nodes requiring extended sleep current performance.
When designing with this part, verify the segmented LCD driving requirements (resistors, bias, multiplex duty) against the application's segment count; the LCD charge pump regulator pins must be configured per the datasheet. For automotive applications choose the -I industrial or -E extended grade, where -E spans -40C to +125C. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
کے لیے ڈراپ اِن متبادل PIC16F1937-E/P — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC16F1937-E/P (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Timers, ADC, Package, RoHS Status, I/O Pins.
PIC16F1937-I/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1936-I/P
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F1934-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1936-E/P
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F1934-E/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1937-E/P زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Program Memory (Flash) | 14 KB |
| Data SRAM | 512 B |
| Data EEPROM | 256 B |
| CPU Architecture | 8-bit Enhanced Mid-Range (14-bit instruction) |
| Maximum Clock Speed | 32 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V |
| I/O Pins | 25 |
| پیکیج | 40-pin PDIP (P) |
| ماؤنٹنگ ٹائپ | Through-Hole (DIP) |
| آپریٹنگ درجہ حرارت | -40C to +125C (Extended, "-E") |
| ADC | 10-bit, up to 14 channels |
| Timers | 2x 8-bit, 1x 16-bit |
| LCD Driver | Yes, integrated (up to 116 segments) |
| Communication | MSSP/SPI/I2C, Enhanced USART |
| Low-Power Tech | nanoWatt XLP |
| ICSP / ICD | Yes (In-Circuit Serial Programming / Debug) |
| RoHS اسٹیٹس | Compliant (Lead-Free, "P" suffix) |
PIC16F1937-E/P پن کنفیگریشن
| پن 1 | MCLR/VPP/RE3 — Master Clear (reset) / programming voltage / digital I/O RE3 |
| پن 2 | RA0 — Digital I/O / analog input AN0 / SEG12 |
| پن 3 | RA1 — Digital I/O / analog input AN1 / SEG7 |
| پن 4 | RA2 — Digital I/O / analog AN2 / VREF- / COM2 |
| پن 5 | RA3 — Digital I/O / analog AN3 / VREF+ / COM3 / SEG15 |
| پن 6 | RA4 — Digital I/O / T0CKI / SEG4 |
| پن 7 | RA5 — Digital I/O / analog AN4 / SEG5 |
| پن 8 | RA6 — Digital I/O / oscillator output |
| پن 9 | RA7 — Digital I/O / oscillator input |
| پن 10 | VSS — Ground reference |
| پن 11 | VDD — Positive supply (1.8V-5.5V) |
| پن 12 | RB0 — Digital I/O / INT / SEG0 |
| پن 13 | RB1 — Digital I/O / SEG1 |
| پن 14 | RB2 — Digital I/O / SEG2 |
| پن 15 | RB3 — Digital I/O / SEG3 |
| پن 16 | RB4 — Digital I/O / SEG6 |
| پن 17 | RB5 — Digital I/O / SEG11 |
| پن 18 | RB6 — Digital I/O / ICSPCLK / SEG13 |
| پن 19 | RB7 — Digital I/O / ICSPDAT / SEG14 |
| پن 20 | VSS — Ground reference |
| پن 21 | VDD — Positive supply |
| پن 22 | RC0 — Digital I/O / SOSCO |
| پن 23 | RC1 — Digital I/O / SOSCI |
| پن 24 | RC2 — Digital I/O / CCP1 |
| پن 25 | RC3 — Digital I/O / SCL / SCK |
| پن 26 | RC4 — Digital I/O / SDA / SDI |
| پن 27 | RC5 — Digital I/O / SDO |
| پن 28 | RC6 — Digital I/O / TX/CK |
| پن 29 | RC7 — Digital I/O / RX/DT |
| پن 30 | RD0 — Digital I/O / COM0 |
| پن 31 | RD1 — Digital I/O / COM1 |
| پن 32 | RD2 — Digital I/O / PSP2 |
| پن 33 | RD3 — Digital I/O / PSP3 |
| پن 34 | RD4 — Digital I/O / PSP4 / SEG20 |
| پن 35 | RD5 — Digital I/O / PSP5 / SEG21 |
| پن 36 | RD6 — Digital I/O / PSP6 / SEG22 |
| پن 37 | RD7 — Digital I/O / PSP7 / SEG23 |
| پن 38 | VSS — Ground reference |
| پن 39 | RE0 — Digital I/O / AN5 / LCDBIAS0 |
| پن 40 | RE1 — Digital I/O / AN6 / LCDBIAS1 |
عام استعمالات
PIC16F1937-E/P کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Powered Thermostat with Glass LCD, Industrial Sensor Front-End with Integrated HMI, Automotive Instrument Cluster / HVAC Panel, Blood Pressure Monitor / Glucose Meter, White-Goods and Home Appliance HMI, Electric Meter / Smart Energy Display.
Battery-Powered Thermostat with Glass LCD
The PIC16F1937-E/P's integrated LCD segment driver (up to 116 segments) and nanoWatt XLP technology deliver a single-chip solution for battery-powered thermostats. The PIC16F1937's 1.8V to 5.5V supply range accommodates two AA alkaline cells, and its sub-uA sleep current extends coin-cell life for years. Per the PIC16F1937 datasheet, the on-chip charge pump regulator and bias generator directly drive 1/3 multiplex LCD glass without external components. Place the part at the center of the PCB with short traces to the LCD connector to minimize segment cross-talk.
تجویز کردہ
Industrial Sensor Front-End with Integrated HMI
The PIC16F1937-E/P's 14-bit PWM, 10-bit ADC, and 25 I/O pins make it well suited for industrial sensor front-ends that also display measurements on a glass-LCD HMI. Per the PIC16F1937 datasheet, the 32 MHz HFINTOSC provides deterministic ADC sampling up to ~100 ksps, while the MSSP/SPI/I2C bus interfaces external digital sensors. Its -40C to +125C extended temperature grade handles factory-floor enclosures near motors or heaters. Estimated: at 32 MHz clock, 3.3V supply, and active ADC mode, power consumption is roughly 5-6 mA.
تجویز کردہ
Automotive Instrument Cluster / HVAC Panel
Automotive HVAC panels and instrument clusters benefit from the PIC16F1937-E/P's -40C to +125C extended temperature grade, integrated LCD driver, and 14 KB Flash for OEM feature code. Per the PIC16F1937 datasheet, the ECAN-ready enhanced USART, MSSP, and PWM modules interface climate sensors and stepper-motor actuators for blend-door control. Use the MSSP in SPI mode to drive an external stepper predriver; the internal timers handle background HVAC scheduling. Designed alongside automotive-grade companion ICs for reliable cabin-temperature operation.
تجویز کردہ
Blood Pressure Monitor / Glucose Meter
Medical home-care devices such as blood pressure monitors and blood-glucose meters rely on the PIC16F1937-E/P's combination of nanoWatt XLP sleep current, 10-bit ADC for sensor signal conditioning, and LCD segment driver for direct glass-display readout. Per the PIC16F1937 datasheet, idle current can drop below 1 uA in sleep with RTC, enabling multi-year battery life on two AA cells. Use the on-chip op-amp option to amplify the bridge pressure-sensor signal before ADC sampling.
تجویز کردہ
White-Goods and Home Appliance HMI
Washing machines, dishwashers, and microwave ovens use the PIC16F1937-E/P to drive glass-LCD HMIs, scan keypads via the 25 I/O pins, and time motor-control events via the 16-bit timer. Per the PIC16F1937 datasheet, the wide 1.8V-5.5V supply simplifies direct regulation from rectified mains or 5V SMPS rails. Estimated: at 32 MHz and 5V, the device consumes approximately 8 mA; add a heatsink only if the MCU is co-located with power-FET dissipation.
تجویز کردہ
Electric Meter / Smart Energy Display
Single-phase electric meters and smart-energy displays benefit from the PIC16F1937-E/P's LCD driver and extended temperature range for utility-cabinet deployment. Per the PIC16F1937 datasheet, the enhanced USART connects to a PLC or wireless M-Bus module for AMI backhaul, while the 14 KB Flash stores tariff tables, calibration constants, and segmented LCD glyphs. The 32 kHz LFINTOSC plus RTC enable accurate time-of-use billing with minimal external components.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F1937-E/P — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F1937-I/P | PIC16F1936-I/P | PIC16F1934-I/P |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-pin PDIP (P) | 40-pin PDIP (P) | 40-pin PDIP (P) | 40-pin PDIP (P) |
| Program Flash | 14 KB | 14 KB | 8 KB | 7 KB |
| Data SRAM | 512 B | 512 B | 512 B | 256 B |
| Data EEPROM | 256 B | 256 B | 256 B | 256 B |
| Max Clock Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Temperature Grade | -40C to +125C (Extended "-E") | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| LCD Driver | Yes (up to 116 segments) | Yes (up to 116 segments) | Yes (up to 116 segments) | Yes (up to 96 segments) |
اہم امتیازی خصوصیات
- 14 KB Flash / 512 B RAM largest in PIC16F193x 40-pin PDIP family (بمقابلہPIC16F1936-I/P)
- Extended -40C to +125C automotive temperature grade (بمقابلہPIC16F1937-I/P)
- Up to 116-segment integrated LCD driver (بمقابلہPIC16F1934-I/P)
ڈیزائن نوٹس
Estimated: At 32 MHz, 5V VDD, the PIC16F1937-E/P core draws approximately 6-8 mA active; switching to the 32 kHz LFINTOSC + sleep mode drops quiescent current below 1.9 uA typical (per datasheet nanoWatt XLP figures). For battery-powered designs, gate peripheral clocks via PMD registers and use Sleep + WDT for wakes; route the LCD charge-pump regulator to enter low-bias mode during sleep to minimize segment-driver leakage.
Place a 100 nF decoupling capacitor on each VDD/VSS pair within 5 mm of the IC pins, plus a single 10 uF bulk capacitor near the package. Keep the crystal (if used) within 10 mm of OSC1/OSC2 with a grounded copper guard ring to reduce EMI coupling. For LCD segment traces, route them away from switching traces and bypass each segment line with a small capacitor if the display is more than 50 mm away.
Do not leave the MCLR pin floating - tie it to VDD via a 10 kohm pull-up and a 100 nF cap to ground for noise immunity, otherwise spurious resets occur near high-dV/dt signals. When configuring the LCD module, verify the bias resistor ladder matches the chosen multiplex duty (static, 1/2, 1/3, 1/4); incorrect bias yields dim or ghosted segments. Always configure unused I/O pins as outputs driven low to minimize supply current.
تعمیل کی معلومات
RoHS compliant per Microchip product page ("P" suffix = lead-free 40-pin PDIP). -E extended temperature grade -40C to +125C is automotive-style qualification but not formally AEC-Q100 listed in the family datasheet; verify automotive program requirements separately.
