PIC16LF722A-I/SS - 8-bit MCU, 3.5KB Flash, 20MHz, XLP | Microchip
MPN: PIC16LF722A-I/SS ✓ فعالPIC16LF722A-I/SS جائزہ
An 8-bit microcontroller (MCU) is a small computing system on a single integrated circuit that contains a CPU, program memory (Flash/ROM), data memory (RAM), and peripheral interfaces. The 8-bit designation refers to the width of the data path and ALU; PIC16F microcontrollers use a Harvard RISC architecture with separate program and data buses, which allows single-cycle instruction execution. Within the broader semiconductor taxonomy, MCUs belong to microcontrollers -> embedded processors -> digital ICs -> semiconductors. The 'LF' prefix in PIC16LF722A indicates the low-voltage F (Flash) series optimized for battery-powered designs.
Key features include 25 digital I/O pins supporting peripheral pin select (PPS), three timer modules (Timer0, Timer1, Timer2), a 9-channel 8-bit ADC, and enhanced communication peripherals including I2C, SPI, and USART with dedicated baud-rate generator. The nanoWatt XLP technology delivers sleep currents as low as , and watchdog timer, brown-out reset, and power-on reset are integrated. The 28-SSOP package with 0.65 mm pitch provides a compact footprint for space-constrained PCB designs.
Internally the PIC16LF722A uses an enhanced mid-range 14-bit instruction set with a hardware multiplier, 32 kHz internal oscillator, and configurable oscillator options (HFINTOSC, LFINTOSC, external crystal, external RC). The integrated ICSP (In-Circuit Serial Programming) header supports in-field firmware updates without removing the MCU from the board, which simplifies manufacturing and field service.
Typical applications include battery-powered sensor nodes, wearable fitness bands, remote controls, low-cost IoT edge nodes, small home appliances, and industrial sensor conditioning. Its low-power architecture makes it well suited for energy-harvesting designs and products powered by coin-cell or alkaline batteries.
When designing with the PIC16LF722A-I/SS, ensure that the supply voltage stays within 1.8V-3.6V and that the ICSP pins (RB6/RB7) are accessible for production programming. Decouple VDD with at least a 100 nF ceramic capacitor placed as close as possible to the pin. Use MPLAB X IDE with XC8 compiler for firmware development.
This page synthesizes distributor stock levels, drop-in same-package and cross-package alternatives, and practical design notes not duplicated from the manufacturer datasheet, helping procurement and engineering teams make informed decisions.
کے لیے ڈراپ اِن متبادل PIC16LF722A-I/SS — 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 PIC16LF722A-I/SS (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Operating Temperature, Package, Core Architecture, ADC, I/O Pins.
PIC16LF723A-I/SS
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16LF722AT-I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF722A-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF722A-E/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF722A-E/SP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF722A-E/MV
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF722A-I/SS زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC 8-bit RISC (Enhanced Mid-Range) |
| CPU Family | PIC16F |
| Program Memory Type | Flash |
| Program Memory Size | 3.5 KB (2K x 14 words) |
| RAM Size | 128 bytes |
| Maximum CPU Speed | 20 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V |
| I/O Pins | 25 |
| ADC | 8-bit, 9 channels |
| Timers | 3 (Timer0, Timer1, Timer2) |
| Communication Interfaces | I2C, SPI, USART (with dedicated BRG) |
| پیکیج | 28-SSOP (5.30 mm body width, 0.65 mm pitch) |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (Industrial 'I' grade) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 1 (unlimited floor life) |
| Low-Power Technology | nanoWatt XLP |
| RoHS اسٹیٹس | Compliant |
PIC16LF722A-I/SS پن کنفیگریشن
| پن 1 | RA3/AN3/MCLR/VPP — Digital I/O / Analog input / Master Clear (reset, active low) / Programming voltage |
| پن 2 | RA0/AN0/SS — Digital I/O / Analog input / SPI slave select |
| پن 3 | RA1/AN1 — Digital I/O / Analog input |
| پن 4 | RA2/AN2 — Digital I/O / Analog input |
| پن 5 | RA5/AN4/SS/HLVDIN — Digital I/O / Analog input / SPI SS / High-Low Voltage Detect input |
| پن 6 | RE3/CS/P2D — Digital I/O / ICD clock / PWM output |
| پن 7 | RA4/AN5/T0CKI — Digital I/O / Analog input / Timer0 clock input |
| پن 8 | RA6/OSC2/CLKOUT — Digital I/O / Crystal oscillator output / Clock output |
| پن 9 | RA7/OSC1/CLKIN — Digital I/O / Crystal oscillator input / External clock input |
| پن 10 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| پن 11 | VSS — Ground reference |
| پن 12 | RC7/RX/DT — Digital I/O / USART RX / Synchronous data |
| پن 13 | RC6/TX/CK — Digital I/O / USART TX / Synchronous clock |
| پن 14 | RC5/SDO — Digital I/O / SPI data out |
| پن 15 | RC4/SDI/SDA — Digital I/O / SPI data in / I2C data |
| پن 16 | RC3/SCL/SCK — Digital I/O / I2C clock / SPI clock |
| پن 17 | RC2/CCP1 — Digital I/O / Capture/Compare/PWM 1 |
| پن 18 | RC1/CCP2 — Digital I/O / Capture/Compare/PWM 2 |
| پن 19 | RC0 — Digital I/O |
| پن 20 | VSS — Ground reference |
| پن 21 | RB7/ICSPDAT — Digital I/O / ICSP data |
| پن 22 | RB6/ICSPCLK — Digital I/O / ICSP clock |
| پن 23 | RB5/AN11 — Digital I/O / Analog input |
| پن 24 | RB4/AN10 — Digital I/O / Analog input |
| پن 25 | RB3/AN9/CCP2 — Digital I/O / Analog input / CCP2 |
| پن 26 | RB2/AN8 — Digital I/O / Analog input |
| پن 27 | RB1/AN7/CS — Digital I/O / Analog input / PWM output |
| پن 28 | RB0/AN6/INT — Digital I/O / Analog input / External interrupt |
عام استعمالات
PIC16LF722A-I/SS کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Powered Sensor Node, Wearable Fitness Band, Remote Control / IR Transmitter, Small Home Appliance Controller, Industrial Sensor Conditioning Module, IoT Edge Node / Smart Home Device.
Battery-Powered Sensor Node
The PIC16LF722A-I/SS is well suited for wireless or wired battery-powered sensor nodes running from a coin cell or two AA cells. Its 1.8 V to 3.6 V supply range with nanoWatt XLP sleep current (nA range, per Microchip datasheet 40001417C) lets the MCU spend most of its duty cycle in sleep and wake only briefly to take a measurement and transmit. The 9-channel 8-bit ADC reads analog sensors such as temperature, light, or battery voltage, while I2C/SPI connects to a digital sensor like a humidity or accelerometer IC. The 25 I/O pins also drive indicator LEDs and user-interface switches without external glue logic.
تجویز کردہ
Wearable Fitness Band
Wearable fitness bands place extreme demands on sleep current and PCB area, both strengths of the PIC16LF722A-I/SS in its 28-SSOP package. The MCU can wake on accelerometer interrupts via an external GPIO to count steps and log activity, then return to deep sleep with only the RTC running. The 8-bit ADC reads heart-rate sensor signals, and the USART drives a Bluetooth Low Energy module for phone sync. With firmware typically under 3.5 KB, the 2K x 14 Flash is adequate and leaves headroom for OTA-style bootloader updates via ICSP.
تجویز کردہ
Remote Control / IR Transmitter
Universal remote controls, ceiling-fan controllers, and IR-based appliance remotes are an ideal match for the PIC16LF722A-I/SS. The MCU drives an IR LED via Timer2 PWM at 38 kHz carrier while the USART or software UART communicates with companion ICs. The 25 I/O pins scan a 5x5 matrix keypad without an external key encoder. Low-voltage operation extends battery life, and the SSOP package drops into slim plastic enclosures. Compiled code for typical NEC/Sony RC protocols fits easily within the 3.5 KB Flash budget.
تجویز کردہ
Small Home Appliance Controller
Coffee makers, kitchen scales, blenders, and electric toothbrushes use small 8-bit MCUs like the PIC16LF722A-I/SS to read sensors, drive triac-controlled loads, and run user-interface LEDs. The MCU's I2C bus drives an OLED or character LCD for user feedback; the 8-bit ADC reads thermistor inputs for closed-loop temperature control. The nanoWatt XLP features allow standby current below the IEC 62301 measurement threshold, helping appliances meet global energy regulations. Industrial -40 to +85 C temperature grade supports unheated enclosures.
تجویز کردہ
Industrial Sensor Conditioning Module
Industrial 4-20 mA loop-powered sensor transmitters and field-mount signal conditioners use the PIC16LF722A-I/SS to digitize analog inputs and drive a current loop or HART modem. The 9-channel ADC multiplexes multiple sensor bridges, while the 1.8 V minimum supply accommodates low-voltage loop-powered designs. The USART provides digital HART modem communication. The industrial temperature grade (-40 C to +85 C) and robust SSOP package handle vibration and temperature swings typical of factory-floor installations.
تجویز کردہ
IoT Edge Node / Smart Home Device
Low-cost IoT edge nodes such as smart switches, leak detectors, and door/window sensors use the PIC16LF722A-I/SS as the application processor for a Wi-Fi or sub-GHz wireless module. The MCU reads a reed switch or water-leak probe via GPIO, blinks status LEDs, and manages a coin-cell battery using the nanoWatt XLP sleep modes. The I2C bus connects to an optional environmental sensor (temperature, humidity). With cost under $2 in volume, this PIC is the budget-friendly brain of entry-level smart-home SKUs.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LF722A-I/SS — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16LF723A-I/SS | PIC16LF722AT-I/SS | PIC16LF722A-I/SO | PIC16LF722A-E/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SOIC - same pinout, wider footprint | 28-SSOP - same |
| Program Memory (Flash) | 3.5 KB | 7 KB (+100%) | 3.5 KB (same) | 3.5 KB (same) | 3.5 KB (same) |
| RAM Size | 128 B | 256 B (+100%) | 128 B (same) | 128 B (same) | 128 B (same) |
| Maximum CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Temperature Grade | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Extended -40 C to +125 C |
| Approx. Unit Price (qty 100) | $1.45 | ~$1.55 | ~$1.45 | ~$1.45 | ~$1.55 |
اہم امتیازی خصوصیات
- Lowest-cost modern PIC16 with full nanoWatt XLP support (بمقابلہPIC16LF628A-I/SS)
- Direct memory upgrade path (بمقابلہPIC16LF723A-I/SS)
- Industrial temperature grade at lower cost than F-series (بمقابلہPIC16F722A-I/SS)
ڈیزائن نوٹس
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 10) and the VSS pin (pin 11 or 20). Add a bulk capacitor (1-10 uF) on the supply line near the MCU. For battery-powered designs, use the nanoWatt XLP sleep modes (Sleep, Idle, and Low-Power Sleep) and configure peripherals to wake the MCU only on interrupts. The internal 31 kHz LFINTOSC provides sub-uA current draw during sleep for RTC and Watchdog Timer operation.
Keep the ICSP pins (RB6/ICSPCLK and RB7/ICSPDAT) accessible for in-circuit programming. Provide a 4-pin header (or test points) on the PCB for production programming and debugging. The MPLAB ICD 3 / ICD 4 / PICkit 3 / PICkit 4 all interface through these two pins plus VDD and VSS. Avoid placing series resistors or capacitors on the ICSP pins; they must be directly accessible to the programmer.
Do not exceed 3.6 V on VDD or apply voltage to any pin before VDD is powered up - this can trigger latch-up. Always enable the Brown-out Reset (BOR) and Watchdog Timer (WDT) in configuration bits for robust field operation. When migrating from PIC16F722A (non-LF) to PIC16LF722A, verify that your firmware does not rely on a supply voltage above 3.6 V; the LF variant has a tighter VDD maximum.
Route the crystal or external clock traces (RA6/OSC2 and RA7/OSC1) as short as possible with a ground guard ring to minimize EMI pickup. If using the internal HFINTOSC, leave RA6/RA7 available as general-purpose I/O by setting the FOSC configuration to INTOSCIO. The 28-SSOP footprint requires 0.65 mm pitch traces; ensure the PCB has at least 6 mil trace/space capability for the inner pads.
تعمیل کی معلومات
RoHS and lead-free status per Microchip material declaration. AEC-Q100 not qualified; for automotive applications consider PIC16F1938-I/SS or PIC16LF1947-I/PT. Halogen-free status not specified by manufacturer.
