PIC16LF1828-E/GZ - 8-bit MCU, 7KB Flash, 32MHz, 20-UQFN | Microchip
MPN: PIC16LF1828-E/GZ ✓ فعالPIC16LF1828-E/GZ جائزہ
What is an 8-bit microcontroller? An 8-bit MCU is a small computer-on-a-chip that processes data in 8-bit chunks and is the foundational building block of embedded systems. The PIC16LF1828 belongs to the enhanced mid-range PIC16 architecture, sitting in the hierarchy: microcontroller -> 8-bit MCU -> enhanced mid-range PIC16 -> nanoWatt XLP family -> semiconductor. Its Harvard RISC core with 49 instructions and 16-level hardware stack delivers deterministic, low-latency interrupt response valued in safety-critical loops.
Key features include 7 KB (4K x 14) self-programmable Flash with read-while-write, 256 B RAM, 256 B EEPROM, on-chip FRC oscillator with PLL, and ultra-low-power sleep modes (down to ~20 nA typical). The mTouch capacitive-touch peripheral enables capacitive buttons and sliders without external components, while the ADC operates with an internal fixed-voltage reference for ratiometric measurements.
Typical applications include low-power IoT sensor nodes, wearable health bands, capacitive-touch user interfaces, remote controls, battery-powered HVAC sensors, and consumer white goods requiring USB-friendly 3.3 V rails. The 1.8 V minimum rail makes it compatible with single-cell alkaline or Li-Ion coin-cell designs.
Design with the PIC16LF1828 using MPLAB X IDE and the XC8 compiler; debug via PICkit 3 or MPLAB ICD 3 on the ICSP pins. Place a 100 nF decoupling capacitor directly on VDD and route the ICSP lines away from switching nodes.
کے لیے ڈراپ اِن متبادل PIC16LF1828-E/GZ — 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 PIC16LF1828-E/GZ (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Operating Temperature, Program Memory (Flash), Timers, ADC.
PIC16LF1828-I/GZ
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1828-E/GZ
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1828-E/GZ زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | 8-bit PIC enhanced mid-range (Harvard RISC) |
| Program Memory (Flash) | 7 KB (4K x 14) |
| Data SRAM | 256 B |
| Data EEPROM | 256 B |
| Maximum CPU Clock | 32 MHz (200 ns instruction cycle) |
| Operating Voltage Range | 1.8 V to 3.6 V |
| I/O Pins | 18 |
| ADC | 10-bit, up to 12 channels |
| Timers | Two 8-bit, one 16-bit |
| PWM Module | ECCP (Enhanced Capture/Compare/PWM) |
| Communication Peripherals | MSSP (I2C/SPI), EUSART |
| Capacitive Touch | mTouch (CTMU) |
| پیکیج | 20-pin UQFN (4x4 mm) |
| آپریٹنگ درجہ حرارت رینج | -40 C to +125 C (extended industrial, -E suffix) |
| RoHS اسٹیٹس | Compliant |
PIC16LF1828-E/GZ پن کنفیگریشن
| پن 1 | VDD — Positive power supply (1.8 V to 3.6 V) |
| پن 2 | RA5 — Bidirectional I/O / ICSP VPP |
| پن 3 | RC7 — Bidirectional I/O |
| پن 4 | RC6 — Bidirectional I/O |
| پن 5 | RC5 — Bidirectional I/O |
| پن 6 | RC4 — Bidirectional I/O |
| پن 7 | RC3 — Bidirectional I/O / SCL (MSSP I2C) |
| پن 8 | RC2 — Bidirectional I/O |
| پن 9 | RC1 — Bidirectional I/O |
| پن 10 | RC0 — Bidirectional I/O |
| پن 11 | RA7 — Bidirectional I/O / OSC1 |
| پن 12 | RA6 — Bidirectional I/O / OSC2 |
| پن 13 | RA3 — Bidirectional I/O / MCLR (reset) |
| پن 14 | RA4 — Bidirectional I/O (open-drain, no output driver) |
| پن 15 | RA2 — Bidirectional I/O |
| پن 16 | RA1 — Bidirectional I/O / ICSPCLK |
| پن 17 | RA0 — Bidirectional I/O / ICSPDAT |
| پن 18 | VSS — Ground reference |
| پن 19 | RB7 — Bidirectional I/O |
| پن 20 | RB6 — Bidirectional I/O / PGC |
عام استعمالات
PIC16LF1828-E/GZ کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Powered IoT Sensor Node, Capacitive Touch User Interface, Wearable Health Band, Remote Control (IR/RF), HVAC Environmental Sensor, Consumer White Goods (Coffee Machine, Washer UI).
Battery-Powered IoT Sensor Node
The PIC16LF1828-E/GZ is an ideal host for a coin-cell IoT sensor node because its nanoWatt XLP Sleep current drops to ~20 nA typical with WDT off, enabling multi-year battery life on a single CR2032. With 7 KB of Flash and 256 B of RAM it runs a small RTOS-less sensor loop, duty-cycling the 10-bit ADC to wake, sample, transmit via EUSART, and return to Sleep. The 1.8 V minimum rail directly accepts the CR2032 discharge curve, eliminating the need for a boost regulator.
تجویز کردہ
Capacitive Touch User Interface
The PIC16LF1828-E/GZ integrates the mTouch CTMU peripheral, which measures capacitance change on a pin with sub-pF resolution and no external analog components - perfect for capacitive buttons, sliders, or proximity wake. Combined with 18 I/O and 12 ADC channels, one MCU can replace several mechanical switches and a dedicated touch controller, shrinking the BOM and lowering the Sleep current below what a discrete touch ASIC typically draws.
تجویز کردہ
Wearable Health Band
Wearable health bands benefit from the PIC16LF1828-E/GZ's 20-UQFN (4x4 mm) tiny footprint, which fits comfortably on a wristband PCB next to a Li-Po cell. The on-chip 10-bit ADC samples heart-rate or SpO2 photodiode signals, the EUSART streams data to a paired BLE module, and the LF process node keeps active current under 1 mA at 3.3 V. The 256-byte EEPROM stores user-profile data without external memory.
تجویز کردہ
Remote Control (IR/RF)
A TV remote control running on two AAA cells is a classic fit for the PIC16LF1828-E/GZ: the 1.8-3.6 V supply directly rails the cell stack, the ECCP + 16-bit timer generates precise 38 kHz IR carrier modulation, and Sleep current at <50 nA means the batteries outlast the plastic. The 7 KB Flash accommodates multi-protocol IR libraries (RC5, NEC, SIRC) and the EUSART drives a 433/915 MHz OOK transmitter for RF variants.
تجویز کردہ
HVAC Environmental Sensor
The PIC16LF1828-E/GZ monitors temperature, humidity, and CO2 in HVAC systems using its 10-bit ADC with the internal fixed-voltage reference for ratiometric sensor reads. The MSSP peripheral interfaces I2C sensors like the MCP9808 or SHT31, the EUSART reports back to a building controller via RS-485, and the -40 to +125 C extended temperature range handles attic and outdoor installations without derating.
تجویز کردہ
Consumer White Goods (Coffee Machine, Washer UI)
In a coffee machine or washer front panel, the PIC16LF1828-E/GZ drives the LED/LCD user interface, reads mechanical and capacitive buttons, and pulses TRIAC drivers via its ECCP module for heater control. The 1.8-3.6 V rail shares a small SMPS with the rest of the appliance, and the on-chip mTouch module eliminates dozens of mechanical switches. Flash read-while-write supports OTA-style firmware updates for warranty-recovery cycles.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LF1828-E/GZ — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16LF1828-I/GZ | PIC16F1828-E/GZ |
|---|---|---|---|
| Package | 20-UQFN (4x4 mm) | 20-UQFN (4x4) - same | 20-UQFN (4x4) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 7 KB | 7 KB | 7 KB |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 5.5 V |
| Temperature Range | -40 C to +125 C (extended) | -40 C to +85 C (industrial) | -40 C to +125 C (extended) |
| Sleep Current (typ) | ~20 nA | ~20 nA | ~50-100 nA |
| ADC | 10-bit, 12 channels | 10-bit, 12 channels | 10-bit, 12 channels |
| Capacitive Touch | mTouch (CTMU) | mTouch (CTMU) | mTouch (CTMU) |
اہم امتیازی خصوصیات
- Smallest-package 7 KB Flash XLP MCU in 20-UQFN (4x4 mm) (بمقابلہPIC16LF1828-I/SO)
- Lower Sleep current than 5 V-rated F variant (بمقابلہPIC16F1828-E/GZ)
- Extended -40 to +125 C temperature grade (بمقابلہPIC16LF1828-I/GZ)
ڈیزائن نوٹس
Estimated: at 32 MHz active current is approximately 5 mA at 3.3 V; duty-cycling with Sleep of ~20 nA yields average draw in the single-digit uA for periodic sensor products. Always place a 100 nF X7R decoupling capacitor within 2 mm of VDD and a bulk 1-10 uF tantalum at the regulator output.
Route the ICSP lines (RA0/RA1 for ICSPDAT/ICSPCLK, RA3/MCLR for VPP) so they reach an in-system programming header without crossing switching nodes. The UQFN-20 has an exposed pad on the bottom that must be soldered to the ground pour for thermal dissipation - leave a 4x4 thermal via array under the pad.
RA4 is open-drain on PIC16F/LF182x parts and cannot source current - if you need a high-side LED, use RA2/RA5 instead or add an external pull-up transistor. The MCLR pin (RA3) is enabled by default and must be tied to VDD through a 10 k resistor; floating MCLR causes intermittent resets during ESD events.
When using the MSSP I2C peripheral at 400 kHz or 1 MHz, place 2.2-4.7 k pull-ups close to the bus master and keep traces under 50 mm. For capacitive touch, the CTMU current source is sensitive to leakage; guard-ring the touch pads and route them on the top layer with no vias in the pad area.
تعمیل کی معلومات
RoHS and lead-free status confirmed by Mouser and Digi-Key product listings; halogen-free status not explicitly stated in scraped data - verify against Microchip material declaration before halogen-critical designs.
