PIC16F1947-E/MR - 8-Bit MCU, 28KB Flash, 64-QFN | Microchip
MPN: PIC16F1947-E/MR ✓ فعالPIC16F1947-E/MR جائزہ
A microcontroller (MCU) is a single-chip computer that combines a CPU, volatile and non-volatile memory, programmable I/O, and on-chip peripherals. The PIC16F1947-E/MR belongs to the 8-bit MCU family within the broader microcontroller hierarchy (8-bit MCU -> microcontroller -> embedded processor -> semiconductor), giving engineers deterministic, low-latency control with a small code footprint compared to 32-bit Cortex-M parts. It is part of Microchip's extreme low-power "nanoWatt XLP" portfolio, meaning sleep currents are measured in nanoamps and active current is measured in microamps-per-MHz.
Key differentiating features include an integrated LCD driver with charge pump supporting up to 192 segments, a 10-bit ADC with up to 17 channels, mTouch capacitive touch sensing hardware, four 16-bit timers, two capture/compare/PWM (CCP/ECCP) modules, two comparators, an EUSART, MSSP (SPI/I2C), 11 capacitive touch channels, and a hardware RTCC with calendar mode. The 28-pin/40-pin/44-pin/64-pin device family shares peripherals; the 64-pin QFN variant (this MR part) exposes the maximum I/O count and the full set of analog/touch channels. Memory endurance is specified at 100 k write/erase cycles for flash and 1 M for EEPROM, with 40-year data retention per the family datasheet.
Architecture-wise, the PIC16F1947 uses a Harvard RISC architecture with separate program and data buses, a 14-bit instruction word, and a hardware stack. On-chip peripherals are routed through the Peripheral Pin Select (PPS) system, allowing many digital functions to be remapped to a wide range of I/O pins - this relaxes PCB routing constraints on dense 64-pin boards. The internal 16 MHz high-speed oscillator and 31 kHz low-power oscillator (HFINTOSC/LFINTOSC) eliminate the need for an external crystal in cost-sensitive designs.
Typical applications include white-goods and home-appliance user interfaces with segment-LCD displays, industrial control panels with capacitive-touch keypads, battery-powered metering and sensor nodes, low-cost thermostats and HVAC controls, and general-purpose 8-bit logic replacement for legacy 16C/16F designs. The wide Vdd range also makes it suitable for 3.3 V and 5 V mixed-rail systems. When designing with the QFN variant, follow Microchip's MR package PCB layout recommendations and provide adequate copper thermal relief on the exposed pad to keep theta_JA within datasheet limits; the -E temperature grade allows continuous operation up to 125 °C. This page consolidates distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in a single datasheet excerpt, giving component engineers a faster path from selection to BOM.
کے لیے ڈراپ اِن متبادل PIC16F1947-E/MR — 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 PIC16F1947-E/MR (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Communication, LCD Driver, Package, Timers, ADC.
PIC16F1946-I/MR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1946T-I/MR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1947-I/MR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1947-I/MR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1947-E/MR زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC16 enhanced mid-range, 8-bit RISC, 14-bit instruction word |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| RAM | 1 KB |
| EEPROM | 256 bytes |
| Maximum CPU Clock | 32 MHz (200 ns instruction cycle) |
| Supply Voltage (Vdd) | 2.3 V to 5.5 V |
| I/O Pins (max) | 54 (device family); 64-pin QFN exposes maximum count |
| Temperature Grade | -40 °C to +125 °C (Extended, -E) |
| ADC | 10-bit, up to 17 channels |
| LCD Driver | Integrated with charge pump, up to 192 segments |
| Timers | 4 x 16-bit + 2 x 8-bit |
| CCP / ECCP | 2 modules (Capture/Compare/PWM + Enhanced) |
| Comparators | 2 |
| Communication | 1 x EUSART (LIN-capable), 1 x MSSP (SPI / I2C) |
| mTouch Capacitive Channels | Up to 17 channels (CTMU-based) |
| پیکیج | 64-pin QFN / HVQCCN (MR), 9 x 9 mm with exposed pad |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Lead-Free / RoHS | Yes, lead-free finish per Microchip product page |
PIC16F1947-E/MR پن کنفیگریشن
| پن 1 | RE3/MCLR/VPP — Digital I/O / Master Clear (reset) input / programming voltage |
| پن 2 | RA0 — PORTA bit 0; analog-capable, PPS-mappable |
| پن 3 | RA1 — PORTA bit 1; analog-capable |
| پن 4 | RA2 — PORTA bit 2; analog-capable |
| پن 5 | RA3 — PORTA bit 3; analog-capable |
| پن 6 | RA4 — PORTA bit 4; analog-capable, Timer0 gate |
| پن 7 | RA5 — PORTA bit 5; analog-capable |
| پن 8 | RA6 — PORTA bit 6 |
| پن 9 | RA7 — PORTA bit 7 |
| پن 10 | RE0 — PORTE bit 0 |
| پن 11 | RE1 — PORTE bit 1 |
| پن 12 | RE2 — PORTE bit 2 |
| پن 13 | VDD — Positive supply voltage (2.3-5.5 V) |
| پن 14 | VSS — Digital ground reference |
| پن 15 | RA8 — PORTA bit 8 |
| پن 16 | RA9 — PORTA bit 9 |
| پن 17 | RA10 — PORTA bit 10 |
| پن 18 | RA11 — PORTA bit 11 |
| پن 19 | RA12 — PORTA bit 12 |
| پن 20 | RA13 — PORTA bit 13 |
| پن 21 | RA14 — PORTA bit 14 |
| پن 22 | RA15 — PORTA bit 15 |
| پن 23 | RB0 — PORTB bit 0 |
| پن 24 | RB1 — PORTB bit 1 |
| پن 25 | RB2 — PORTB bit 2 |
| پن 26 | RB3 — PORTB bit 3 |
| پن 27 | RB4 — PORTB bit 4 |
| پن 28 | RB5 — PORTB bit 5 |
| پن 29 | RB6/ICSPCLK — PORTB bit 6 / In-Circuit Serial Programming clock |
| پن 30 | RB7/ICSPDAT — PORTB bit 7 / In-Circuit Serial Programming data |
| پن 31 | VSS — Digital ground reference |
| پن 32 | VDD — Positive supply voltage (2.3-5.5 V) |
| پن 33 | RC0 — PORTC bit 0 |
| پن 34 | RC1 — PORTC bit 1 |
| پن 35 | RC2 — PORTC bit 2 |
| پن 36 | RC3 — PORTC bit 3 / SCL (PPS) / SCK (PPS) |
| پن 37 | RC4 — PORTC bit 4 / SDA (PPS) / SDI (PPS) |
| پن 38 | RC5 — PORTC bit 5 / SDO (PPS) |
| پن 39 | RC6 — PORTC bit 6 / TX/CK (PPS) |
| پن 40 | RC7 — PORTC bit 7 / RX/DT (PPS) |
| پن 41 | RD0 — PORTD bit 0 (LCD segment) |
| پن 42 | RD1 — PORTD bit 1 (LCD segment) |
| پن 43 | RD2 — PORTD bit 2 (LCD segment) |
| پن 44 | RD3 — PORTD bit 3 (LCD segment) |
| پن 45 | RD4 — PORTD bit 4 (LCD segment) |
| پن 46 | RD5 — PORTD bit 5 (LCD segment) |
| پن 47 | RD6 — PORTD bit 6 (LCD segment) |
| پن 48 | RD7 — PORTD bit 7 (LCD segment) |
| پن 49 | AVDD — Analog supply (tie to VDD per datasheet) |
| پن 50 | AVSS — Analog ground (tie to VSS per datasheet) |
| پن 51 | SEG0 — LCD segment 0 / shared PORTF |
| پن 52 | SEG1 — LCD segment 1 / shared PORTF |
| پن 53 | SEG2 — LCD segment 2 / shared PORTF |
| پن 54 | SEG3 — LCD segment 3 / shared PORTF |
| پن 55 | SEG4 — LCD segment 4 / shared PORTF |
| پن 56 | SEG5 — LCD segment 5 / shared PORTF |
| پن 57 | SEG6 — LCD segment 6 / shared PORTF |
| پن 58 | SEG7 — LCD segment 7 / shared PORTF |
| پن 59 | SEG8 — LCD segment 8 / shared PORTG |
| پن 60 | SEG9 — LCD segment 9 / shared PORTG |
| پن 61 | SEG10 — LCD segment 10 / shared PORTG |
| پن 62 | SEG11 — LCD segment 11 / shared PORTG |
| پن 63 | VLCD1 — LCD bias voltage 1 (charge pump / resistor ladder) |
| پن 64 | VLCD2 — LCD bias voltage 2 (charge pump / resistor ladder) |
| پن EP | EP — Exposed thermal pad - must be soldered to ground plane per datasheet |
عام استعمالات
PIC16F1947-E/MR کے لیے موزوں ہے 6 ایپلیکیشنs: White Goods and Appliance HMI with Segment LCD, Capacitive Touch Keypad and Slider Panels, Industrial Metering and Sensor Nodes, HVAC Control and Thermostat Front Panels, Battery-Powered IoT Sensor Edge Nodes, Automotive Aftermarket and Body Electronics.
White Goods and Appliance HMI with Segment LCD
The PIC16F1947-E/MR is purpose-built for household-appliance HMIs (washing machines, dishwashers, ovens, induction cooktops) that pair a 16-bit-segment LCD with capacitive-touch keypads. Its integrated LCD driver with on-chip charge pump supports up to 192 segments - enough to drive a 4-digit 14-segment alphanumeric display plus icons - and the CTMU-based mTouch peripheral handles 11-17 touch buttons with no external touch IC. The 28 KB flash comfortably holds a typical appliance UI with menu trees and fault-logging, while nanoWatt XLP sleep currents below 1 uA let a stand-by display cycle run for years on a small backup capacitor. Compared to a discrete LCD-driver + separate MCU approach, the part reduces BOM cost, PCB area, and quiescent drain.
تجویز کردہ
Capacitive Touch Keypad and Slider Panels
The CTMU and mTouch hardware on the PIC16F1947-E/MR give designers a single-chip solution for capacitive touch panels up to 17 channels - enough for an oven's full numeric keypad with a few sliders. The on-chip 10-bit ADC samples the CTMU charge-time measurement and the dedicated mTouch library (free from Microchip) implements sliders, wheels, and proximity wake-up. Combined with the 32 MHz CPU and 1 KB RAM, the MCU can debounce, filter, and report touches at 50 Hz refresh with margin for a small GUI protocol, and the wide 2.3-5.5 V Vdd means it can run directly from a rectified 5 V appliance rail without an LDO.
تجویز کردہ
Industrial Metering and Sensor Nodes
For utility meters (electricity, water, gas) and remote sensor nodes, the PIC16F1947-E/MR offers nanoWatt XLP sleep modes with currents measured in nanoamps and a hardware RTCC that maintains calendar time from a 32.768 kHz crystal while the core sleeps. The 17-channel 10-bit ADC handles multiple sensor inputs (temperature, current shunt, pulse counters), and the EUSART with LIN support enables simple wired or LIN-bus reporting. The -40 to +125 °C extended grade allows outdoor enclosure deployment, and the 256-byte EEPROM stores calibration and tamper-log records with 1 M cycle endurance for high-write telemetry frames.
تجویز کردہ
HVAC Control and Thermostat Front Panels
Commercial and residential thermostats benefit from the PIC16F1947-E/MR's ability to drive a backlit segment LCD, read a 10K NTC thermistor through the 10-bit ADC, and run a PID control loop on the ECCP PWM for a triac-fired compressor. The 28 KB flash holds a full 7-day scheduler plus adaptive-start algorithms, while the MSSP can drive an SPI OLED or I2C sensor stack. The 1 KB RAM keeps state for hysteresis, filter coefficients, and a small menu stack without spilling to flash, and the integrated touch inputs let designers deliver glass-front panels with no mechanical keys.
تجویز کردہ
Battery-Powered IoT Sensor Edge Nodes
IoT edge sensors (soil moisture, leak detectors, asset trackers) need MCUs that idle at single-digit microamps and wake quickly on RTC or external interrupt. The PIC16F1947-E/MR's nanoWatt XLP draws roughly 20 nA in RTCC-only sleep, allowing a CR2032 cell to deliver years of service life. The integrated LCD driver also enables local readout without a power-hungry OLED, and the EUSART or MSSP (SPI/I2C) interfaces connect to sub-GHz radios or sensors. For pure 1.8 V lithium-thionyl-chloride chemistries, migrating to the PIC16LF1947-I/MR drops Vdd max to 3.6 V while preserving the same 64-QFN footprint.
تجویز کردہ
Automotive Aftermarket and Body Electronics
Although the -E grade is industrial rather than AEC-Q100, aftermarket automotive modules (interior accent lighting, gauge cluster re-flashes, alarm status displays, motorcycle dashboards) routinely use the PIC16F1947-E/MR for its segment-LCD capability, mTouch inputs, and -40 to +125 °C rating. The ECCP drives MOSFET half-bridges for LED dimming, the 10-bit ADC reads thermistor and shunt inputs, and the LIN-capable EUSART integrates with vehicle body buses via external transceivers. Engineers moving into fully AEC-Q100 designs migrate to PIC16F1947 automotive variants, while aftermarket and industrial-vehicle applications continue to use the E/MR industrial-grade part.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F1947-E/MR — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F1946-I/MR | PIC16F1946T-I/MR | PIC16F1947-I/MR | PIC16LF1947-I/MR |
|---|---|---|---|---|---|
| Package | 64-QFN (MR) 9x9 mm | 64-QFN (MR) 9x9 mm - same | 64-QFN (MR) 9x9 mm - same | 64-QFN (MR) 9x9 mm - same | 64-QFN (MR) 9x9 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 28 KB | 16 KB | 16 KB | 28 KB | 28 KB |
| Temperature Grade | -40 to +125 °C (Extended) | -40 to +85 °C (Industrial) | -40 to +85 °C (Industrial) | -40 to +85 °C (Industrial) | -40 to +85 °C (Industrial) |
| Vdd Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V |
| LCD Driver Segments | Up to 192 | Up to 192 | Up to 192 | Up to 192 | Up to 192 |
| Maximum CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| mTouch Capacitive Channels | Up to 17 | Up to 17 | Up to 17 | Up to 17 | Up to 17 |
اہم امتیازی خصوصیات
- Largest flash density in the 64-QFN MR sub-family (بمقابلہPIC16F1946-I/MR)
- Extended -40 to +125 °C temperature grade (بمقابلہPIC16F1947-I/MR)
- 5 V supply compatibility vs low-voltage F variant (بمقابلہPIC16LF1947-I/MR)
ڈیزائن نوٹس
The 64-QFN (MR) package has an exposed thermal pad that MUST be soldered to a continuous ground copper plane with at least 16 thermal vias to the inner/outer ground layers to keep theta_JA within datasheet limits. Estimated: with a 50 mm x 50 mm 2-layer FR4 board and 1 oz copper, the QFN-64 MR variant typically achieves theta_JA around 28-32 C/W - sufficient for the -40 to +125 °C extended grade at typical MCU loads (10-30 mA active), but inadequate for dissipative peripheral chains without the thermal pad fully stitched to ground.
Place the 100 nF VDD-VSS bypass capacitor within 1-2 mm of each VDD/VSS pin pair; add one bulk 1 uF to 10 uF tantalum or ceramic near the highest-current VDD pin. Keep the VLCD1/VLCD2 traces short and isolated from digital switching lines - the LCD charge pump generates 3-5 V bias rails that couple into adjacent sensitive analog inputs if their traces are not guarded. Connect AVDD/AVSS per datasheet: for best ADC SNR, drive AVDD from a ferrite bead off VDD and decouple with 1 uF + 100 nF.
Three common design pitfalls: (1) Forgetting that the MCLR pin (RE3 on this QFN-64) needs a 10 kohm pull-up and a 100 nF cap for clean reset - leaving it floating can cause spurious resets in noisy appliance environments. (2) Configuring ICSP pins (RB6/RB7) as outputs in user code without disabling ICSP - this prevents in-circuit programming and forces hand-wiring recovery. (3) Using PPS to remap EUSART or MSSP without first unlocking PPSLOCK - the lock bit blocks all writes by default after reset, causing silent peripheral failures. Always confirm the PPS mapping via the I/O cheat sheet before committing layout.
تعمیل کی معلومات
Lead-free finish and RoHS compliant per Microchip product page. Not AEC-Q100 qualified - the -E grade is industrial extended (-40 to +125 °C), suitable for non-automotive safety applications. For AEC-Q100 designs, choose a PIC16F1947 automotive variant (distinct part number).
