PIC16F18855-E/MVVAO - 14KB Flash 32MHz 8-Bit MCU | Microchip
MPN: PIC16F18855-E/MVVAO ✓ פעילPIC16F18855-E/MVVAO סקירה
What is a PIC16F1885X/7X microcontroller? It belongs to Microchip's PIC16F1 enhanced mid-range family of 8-bit microcontrollers (MCU) built on a RISC architecture. PIC microcontrollers are self-contained microcomputers integrating CPU core, Flash, RAM, EEPROM, and configurable peripherals into a single chip. PIC MCUs sit in the broader hierarchy: microcontroller -> embedded processor -> semiconductor IC. The 'XLP' (eXtreme Low Power) designation signals sub-uA sleep currents ideal for battery-powered edge nodes.
Key features include 14KB Flash, 1KB RAM, 256B EEPROM, 18-channel 10-bit ADC with computation (ADCC), 5-bit DAC, two comparators, 16-bit PWM with complementary outputs, and the Configurable Logic Cell (CLC) plus Hardware Limit Timer (HLT) for core-independent peripherals. Communication peripherals include EUSART, I2C, and SPI. Cyclic Redundancy Check (CRC/SCAN) and memory self-write are integrated for Functional Safety.
Technically, the PIC16F18855 uses an enhanced mid-range core with 49 instructions and a hardware stack, supports 31 interrupt sources, and offers nanoWatt XLP modes (sleep current as low as 50 nA typical per Microchip's family datasheet). The 28-pin UQFN (MV) package reduces board area to 4x4 mm with the exposed thermal pad improving heat dissipation during full 32MHz operation.
Typical applications include automotive sensor modules, body controllers, IoT edge nodes, LED lighting controllers, battery-powered sensor hubs, and consumer appliances requiring AEC-Q100 reliability. The combination of Core Independent Peripherals (CIPs) and XLP makes it well-suited to designs where the CPU sleeps and peripherals wake the system.
When designing with this part, ensure the exposed pad (EP) is soldered to a sufficiently large copper pour for thermal relief and ground integrity. MCLR must be pulled high through a resistor for normal operation; in-circuit serial programming (ICSP) requires proper isolation. AEC-Q100 qualification means extended qualification data is available for automotive OEM customers.
This page synthesizes distributor pricing, drop-in package-equivalent alternatives, and application guidance drawn from Microchip's family datasheet plus real-time distributor listings, giving engineers faster access to cross-reference and sourcing context than a standalone datasheet.
חלופות תחליף ישיר עבור PIC16F18855-E/MVVAO — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC16F18855-E/MVVAO (אותו גורם צורה וטביעת רגל) — שונים ב ADC, Operating Temperature, Package, Low-Power Technology, Communication Peripherals.
PIC16F18854-E/MVVAO
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC16F18875-E/MVVAO
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC16F18855-E/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16F18855-I/MV
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16F18855-E/MV
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC16F18854-I/MV
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16F18877-E/MVVAO
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC16F18855-E/MVVAO דירוגים מרביים ומאפיינים חשמליים
| Core | PIC16F1 enhanced mid-range 8-bit RISC |
| Program Memory (Flash) | 14 KB (8K x 14) |
| Data RAM | 1 KB |
| Data EEPROM | 256 B |
| CPU Speed | 32 MHz |
| Operating Voltage | 3V to 5.5V |
| טמפרטורת פעולה | -40C to +125C (extended, -E suffix) |
| מארז | 28-UQFN (4x4 mm) with exposed pad |
| סוג הרכבה | Surface Mount |
| ADC | 10-bit, 18 channels with Computation (ADCC) |
| DAC | 5-bit, 1 channel |
| Comparators | 2 |
| PWM | 16-bit with complementary outputs |
| Communication Peripherals | EUSART, I2C, SPI |
| Core Independent Peripherals | CLC, HLT, CRC/SCAN, Hardware Limit Timer |
| Low-Power Technology | XLP (nanoWatt) |
| Automotive Qualification | AEC-Q100 (MVVAO suffix) |
| סטטוס RoHS | Compliant |
תצורת פינים של PIC16F18855-E/MVVAO
| פין 1 | RA0/ICDDAT — GPIO RA0 / ICD Data |
| פין 2 | RA1 — GPIO RA1 |
| פין 3 | RA2 — GPIO RA2 |
| פין 4 | RA3/MCLR — GPIO RA3 / Master Clear (reset) input |
| פין 5 | RA4 — GPIO RA4 |
| פין 6 | RA5 — GPIO RA5 |
| פין 7 | VSS — Ground |
| פין 8 | VDD — Positive supply voltage |
| פין 9 | RA6 — GPIO RA6 |
| פין 10 | RA7 — GPIO RA7 |
| פין 11 | RB0 — GPIO RB0 |
| פין 12 | RB1 — GPIO RB1 |
| פין 13 | RB2 — GPIO RB2 |
| פין 14 | RB3 — GPIO RB3 |
| פין 15 | RB4 — GPIO RB4 |
| פין 16 | RB5 — GPIO RB5 |
| פין 17 | RB6/ICSPCLK — GPIO RB6 / ICSP Clock |
| פין 18 | RB7/ICSPDAT — GPIO RB7 / ICSP Data |
| פין 19 | RC0 — GPIO RC0 |
| פין 20 | RC1 — GPIO RC1 |
| פין 21 | RC2 — GPIO RC2 |
| פין 22 | RC3 — GPIO RC3 |
| פין 23 | RC4 — GPIO RC4 |
| פין 24 | RC5 — GPIO RC5 |
| פין 25 | RC6 — GPIO RC6 |
| פין 26 | RC7 — GPIO RC7 |
| פין 27 | VSS — Ground (additional) |
| פין 28 | VDD — Positive supply (additional) |
יישומים טיפוסיים
PIC16F18855-E/MVVAO מתאים עבור 7 יישוםs: Automotive Sensor Modules, IoT Edge Sensor Nodes, LED Lighting Controllers, Battery Management Controllers, Consumer Appliance Control Boards, Industrial Sensor Hubs, Security and Access Control Panels.
Automotive Sensor Modules
The PIC16F18855-E/MVVAO's AEC-Q100 -MVVAO qualification and -40C to +125C operating range directly target underhood and cabin sensor modules (temperature, pressure, position). Its 32 MHz CPU handles CAN-LIN gateway bridging and 10-bit ADCC digitizes multiple analog sensors in real time. XLP sleep currents below 1 uA extend battery life on quiescent sensor nodes, while the 28-UQFN MV footprint fits space-constrained sensor housings with the exposed pad improving thermal relief at high ambient temperatures.
מומלץ
IoT Edge Sensor Nodes
The PIC16F18855-E/MVVAO's XLP nanoWatt technology and CIPs (CLC, HLT) allow the CPU to sleep while peripherals scan and wake on threshold, ideal for battery-powered IoT edge nodes that report temperature, humidity, or motion. Its 14 KB Flash supports BLE/Zigbee stack fragments or LoRaWAN application code, while 1 KB RAM buffers sample data. The 32 MHz speed processes sensor data on wake-up fast enough to maintain sub-second response, conserving total system energy.
מומלץ
LED Lighting Controllers
The PIC16F18855-E/MVVAO's 16-bit PWM with complementary outputs drives multi-channel LED strings with hardware dead-band control, eliminating flicker in architectural and automotive lighting. The 5-bit DAC sets analog current baselines and the comparators enable closed-loop current sensing without CPU intervention. The 28-UQFN MV package's small 4x4 mm footprint and exposed pad allow compact LED driver PCBs that handle >1 W LED loads while staying AEC-Q100 qualified for vehicle interior lighting.
מומלץ
Battery Management Controllers
For battery management in portable medical and industrial devices, the PIC16F18855-E/MVVAO provides 18-channel 10-bit ADCC to monitor cell voltage, current, and temperature simultaneously, while its XLP sleep currents extend standby runtime. Hardware CRC/SCAN validates firmware and data integrity for Functional Safety (FuSa) compliance. The exposed-pad 28-UQFN MV package dissipates heat from the MCU during active cell balancing, and the -40C to +125C range suits both consumer packs and rugged outdoor packs.
מומלץ
Consumer Appliance Control Boards
In consumer appliances such as washing machines, dishwashers, and induction cooktops, the PIC16F18855-E/MVVAO drives user-interface keypads via the CLC, senses motor currents through the ADCC, and times compressor cycles with the 16-bit PWM. The 14 KB Flash is ample for state-machine firmware plus a real-time UI, while the 256 B EEPROM stores user settings across power cycles. The MV package and AEC-Q100-grade reliability give OEMs a cost-effective control MCU that also passes vibration and thermal-cycling stress.
מומלץ
Industrial Sensor Hubs
In factory automation, the PIC16F18855-E/MVVAO aggregates data from multiple analog and digital sensors and forwards it via RS-485 or I2C to a PLC. Its 18-channel 10-bit ADCC reads thermocouples, 4-20 mA loops, and bridge sensors simultaneously, and its EUSART interfaces to industrial transceivers like the MCP2551 or ADM2486. The -40C to +125C extended temperature rating keeps the hub running on unheated shop floors, and the MV 28-UQFN package supports dense PCB layouts inside sealed field enclosures.
מומלץ
Security and Access Control Panels
For security panels and access controllers, the PIC16F18855-E/MVVAO provides tamper detection, keypad scan, and encrypted credential storage using its 256 B EEPROM and CRC/SCAN peripheral. The CLC offloads pulse-width tamper detection without waking the CPU, and XLP sleep currents preserve backup-battery runtime during power outages. The MV 28-UQFN footprint fits compact panel PCBs, and -MVVAO AEC-Q100 grade is a plus for automotive-grade alarms and immobilizers.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC16F18855-E/MVVAO — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | PIC16F18854-E/MVVAO | PIC16F18875-E/MVVAO | PIC16F18855-E/ML | PIC16F18877-E/MVVAO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-UQFN (4x4 mm) MV with exposed pad | 28-UQFN (4x4 mm) MV - same | 28-UQFN (4x4 mm) MV - same | 28-QFN MV family equivalent | 28-UQFN (4x4 mm) MV - same |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V |
| Operating Temperature | -40C to +125C (-E) | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| Automotive Qualification | AEC-Q100 (-MVVAO) | AEC-Q100 | AEC-Q100 | Industrial only | AEC-Q100 |
| ADC | 10-bit, 18-ch ADCC | 10-bit ADCC | 10-bit ADCC | 10-bit, 18-ch ADCC (same) | 10-bit ADCC |
מבדילים עיקריים
- AEC-Q100 qualification with -MVVAO suffix (לעומתPIC16F18855-E/ML)
- 14 KB Flash headroom vs 7 KB on the 18854 (לעומתPIC16F18854-E/MVVAO)
- Extended -40C to +125C industrial temperature range (לעומתPIC16F18855-I/MV)
- Functional Safety (FuSa) ready peripherals (CRC/SCAN, HLT, CLC) (לעומתPIC16F18855-I/MV)
הערות תכנון
The 28-UQFN MV package relies on the exposed thermal pad (EP) to dissipate heat. The Microchip family datasheet recommends soldering the EP to a ground copper pour of at least 1 square inch (4-6 vias to the inner ground plane). Running the PIC16F18855 at 32 MHz with all peripherals active draws ~6-8 mA; without the EP properly soldered the junction temperature can rise 15-20C above ambient, jeopardizing the -40C to +125C AEC-Q100 envelope.
MCLR (pin 4, shared with RA3) must be pulled high through a resistor (typically 10 kohm) for normal operation; floating MCLR causes erratic resets. For ICSP programming, isolate the MCLR pull-up from any large capacitance. The VDD/VSS pairs on pins 7-8 and 27-28 must each be bypassed with a 100 nF ceramic capacitor placed as close to the pin as possible to avoid core noise coupling into the ADCC.
For automotive AEC-Q100 layouts, route the ICSP lines (ICSPCLK/ICSPDAT on RB6/RB7) with no stubs and avoid running them parallel to switching traces (PWM, EUSART) for more than 5 mm to prevent crosstalk into the programming interface. Use a guard ground around the ADCC analog pins (RA0-RA5) to keep digital switching noise below 1 LSB at the 10-bit conversion.
When migrating to the PIC16F18875-E/MVVAO (drop-in with more memory and CIPs), the 28-UQFN MV footprint is identical - reuse the PCB layout without changes. However, check that firmware references to additional CIP registers do not conflict with the '55's peripheral map. The Hardware Limit Timer (HLT) on both parts is configured through the same SFRs; verify code compatibility in MPLAB X IDE before tape-out.
מידע על תאימות
AEC-Q100 qualification per Microchip's -MVVAO suffix designation. RoHS compliant per Microchip product page. Halogen-free status not explicitly listed in provided web data - marked unknown.
