PIC18F46K80-I/PT - 8-bit 64MHz 64KB Flash MCU w/ ECAN | Microchip
Teilenummer: PIC18F46K80-I/PT ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $6.85 | $6,85 |
| 10 | $6.12 | $61,20 |
| 100 | $5.38 | $538,00 |
| 500 | $4.79 | $2.395,00 |
| 1.000 | $4.21 | $4.210,00 |
PIC18F46K80-I/PT Übersicht
An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, memory, and peripherals. The PIC18F family is Microchip's high-performance 8-bit line, positioned above the baseline PIC16 and PIC10/12 families. Within power management hierarchy, MCUs belong to embedded controllers, which sit alongside linear regulators, DC-DC converters, and supervisors in the broader power management and embedded systems taxonomy. The "K80" suffix designates nanoWatt XLP (eXtreme Low Power) technology, achieving nano-amp sleep currents ideal for battery-powered and always-on designs.
Key differentiating specifications include the integrated ECAN module supporting CAN 2.0B with up to 1 Mbps bit rate, nanoWatt XLP sleep current as low as 20 nA typical, 12-bit ADC with 12-channel capability (vs. 10-bit on older PIC18F46K22), and on-chip 8 MHz internal oscillator with 64 MHz PLL. The CTMU enables capacitive touch sensing without external components, while the 64 MHz operation delivers 16 MIPS throughput for real-time control loops.
Typical applications include automotive CAN bus nodes (body controllers, gateway modules, instrument clusters), industrial building control (HVAC, smart thermostats, sensor hubs), and low-power battery-backed sensor platforms. The combination of ECAN and nanoWatt XLP makes it especially well-suited for sleep-dominant networked sensor nodes that wake briefly to transmit CAN frames.
Designers should pay close attention to decoupling: place a 100 nF ceramic capacitor on VDD within 3 mm of each VDD/VDDCORE pin pair, plus a bulk 10 uF tantalum or ceramic on the main VDD rail. Brown-out reset and watchdog timer configuration should be evaluated early, as the K80 ships with extended WDT and BOR enabled by default.
Drop-in-Alternativen für PIC18F46K80-I/PT – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC18F46K80-I/PT (gleiche Bauform und Footprint) – abweichend in ADC, Package, Timers, Program Memory (Flash), CTMU.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC18F46K80T-I/PT
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC18LF46K80-I/PT
✅ Drop-In✓ Auf Lager
$3.74 / Stück
Datenblatt ansehen →PIC18F46K80-I/P
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$4.78 / Stück
Datenblatt ansehen →PIC18F46K80-E/ML
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$4.18 / Stück
Datenblatt ansehen →PIC18F45K80-I/PT
✅ Drop-In✓ Auf Lager
$2.4 / Stück
Datenblatt ansehen →PIC18F46K80-I/PT Grenzwerte & elektrische Eigenschaften
| Core | PIC18 (8-bit) |
| Family | PIC18F K80 (XLP) |
| Program Memory (Flash) | 64 KB (32K x 16) |
| RAM | 3648 bytes |
| EEPROM | 1024 bytes |
| Max CPU Speed | 64 MHz (16 MIPS) |
| Operating Voltage | 1.8 V to 5.5 V |
| Betriebstemperatur | -40 C to +85 C (Industrial) |
| Gehäuse | 44-pin TQFP (PT) 10x10 mm |
| I/O Pins | 36 |
| ADC | 12-bit, up to 11 channels |
| Comparators | 3 |
| ECAN Module | Yes (CAN 2.0B, up to 1 Mbps) |
| CTMU | Yes (Charge Time Measurement Unit) |
| UART | 2 |
| SPI | 2 |
| I2C (MSSP) | 2 |
| Timers (16-bit / 8-bit) | 5 / 2 |
| Internal Oscillator | 8 MHz with PLL |
| RoHS-Status | Compliant |
| MSL-Level | 3 (per JEDEC J-STD-020) |
PIC18F46K80-I/PT Pin-Konfiguration
| Pin 1 | RE3/MCLR — Master Clear (Reset) input / Digital input RE3 |
| Pin 2 | RA0/AN0 — PORTA bit 0 / Analog input AN0 |
| Pin 3 | RA1/AN1 — PORTA bit 1 / Analog input AN1 |
| Pin 4 | RA2/AN2/Vref- — PORTA bit 2 / Analog AN2 / ADC Vref- |
| Pin 5 | RA3/AN3/Vref+ — PORTA bit 3 / Analog AN3 / ADC Vref+ |
| Pin 6 | RA4 — PORTA bit 4 (digital only) |
| Pin 7 | RA5/AN4/SS1 — PORTA bit 5 / Analog AN4 / SPI1 slave select |
| Pin 8 | RE0/AN5 — PORTE bit 0 / Analog AN5 |
| Pin 9 | RE1/AN6 — PORTE bit 1 / Analog AN6 |
| Pin 10 | RE2/AN7 — PORTE bit 2 / Analog AN7 |
| Pin 11 | VDD — Power supply +1.8V to +5.5V |
| Pin 12 | VSS — Ground reference |
| Pin 13 | RA7 — PORTA bit 7 |
| Pin 14 | RA6 — PORTA bit 6 |
| Pin 15 | RC0/SOSCO — PORTC bit 0 / Secondary oscillator output |
| Pin 16 | RC1/SOSCI — PORTC bit 1 / Secondary oscillator input |
| Pin 17 | RC2 — PORTC bit 2 |
| Pin 18 | RC3 — PORTC bit 3 |
| Pin 19 | RD0 — PORTD bit 0 |
| Pin 20 | RD1 — PORTD bit 1 |
| Pin 21 | RD2 — PORTD bit 2 |
| Pin 22 | RD3 — PORTD bit 3 |
| Pin 23 | RC4 — PORTC bit 4 |
| Pin 24 | RC5 — PORTC bit 5 |
| Pin 25 | RC6 — PORTC bit 6 |
| Pin 26 | RC7 — PORTC bit 7 |
| Pin 27 | RD4 — PORTD bit 4 |
| Pin 28 | RD5 — PORTD bit 5 / PWM |
| Pin 29 | RD6 — PORTD bit 6 / PWM |
| Pin 30 | RD7 — PORTD bit 7 / PWM |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VDD — Power supply +1.8V to +5.5V |
| Pin 33 | RB0 — PORTB bit 0 / interrupt-on-change |
| Pin 34 | RB1 — PORTB bit 1 / interrupt-on-change |
| Pin 35 | RB2 — PORTB bit 2 / interrupt-on-change |
| Pin 36 | RB3 — PORTB bit 3 / interrupt-on-change |
| Pin 37 | RB4 — PORTB bit 4 / interrupt-on-change |
| Pin 38 | RB5 — PORTB bit 5 / interrupt-on-change |
| Pin 39 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Pin 40 | RB7/PGD — PORTB bit 7 / ICSP data |
| Pin 41 | AVDD — Analog power supply |
| Pin 42 | AVSS — Analog ground reference |
| Pin 43 | RC5/CANRX — PORTC bit 5 / ECAN receive input (note: shared with RC5) |
| Pin 44 | RC6/CANTX — PORTC bit 6 / ECAN transmit output (note: shared with RC6) |
Typische Anwendungen
PIC18F46K80-I/PT ist geeignet für 7 Anwendungs: Automotive CAN Bus Body Controller, Industrial Building Control & HVAC, Capacitive Touch User Interface, Battery-Powered Wireless Sensor Node, Instrument Cluster & Dashboard Display, Smart Agriculture Sensor Hub, Security & Access Control Panel.
Automotive CAN Bus Body Controller
The PIC18F46K80-I/PT is purpose-built for automotive CAN nodes where the integrated ECAN 2.0B module, 64 KB Flash, and nanoWatt XLP sleep modes all converge. In a body controller, the part manages door modules, lighting, and mirror control over a 500 kbps CAN bus, waking periodically to transmit status frames and returning to deep sleep between events. Its 1.8 V to 5.5 V operation tolerates direct 12 V automotive rail regulation dropouts and cold-crank transients.
Empfohlen
Industrial Building Control & HVAC
In HVAC and building automation, the PIC18F46K80-I/PT provides the ECAN connectivity required for BACnet-over-CAN or vendor-proprietary industrial networks while the 12-bit ADC reads thermistor, humidity, and pressure sensors with 0.1% resolution. The 16 MIPS throughput runs PID loops for damper and valve control with sub-millisecond cycle times. XLP sleep modes below 1 uA allow battery-backed wireless sensor variants to operate for years on a primary cell.
Empfohlen
Capacitive Touch User Interface
The on-chip CTMU (Charge Time Measurement Unit) of the PIC18F46K80-I/PT enables up to 16-channel capacitive touch sensing without dedicated touch ICs, eliminating BOM cost and PCB area. With 12-bit ADC resolution and a sub-microsecond CTMU discharge timebase, the part can scan a 4x4 keypad or a slider in under 5 ms. Typical use cases include appliance front panels, smart thermostats, and industrial operator interfaces where robust mechanical-switch replacement is desired.
Empfohlen
Battery-Powered Wireless Sensor Node
Battery-backed sensor nodes leverage the PIC18F46K80-I/PT's nanoWatt XLP sleep current of 20-100 nA typical to achieve multi-year coin-cell operation. The MCU spends most of its time in deep sleep, waking every few seconds to read a sensor, transmit via a connected sub-GHz radio (e.g., MRF89XA), and re-enter sleep. The 1.8 V minimum VDD allows direct operation from a single Li-primary cell without boost conversion.
Empfohlen
Instrument Cluster & Dashboard Display
Automotive instrument clusters require CAN connectivity to the vehicle bus plus sufficient Flash to host graphics and diagnostics. The PIC18F46K80-I/PT's 64 KB Flash and ECAN module enable mid-tier cluster designs that read vehicle speed, RPM, and fuel level from CAN frames and drive LED or small-segment-LCD indicators. Its 36 I/O pins connect directly to seven-segment or LED matrix drivers without external logic.
Empfohlen
Smart Agriculture Sensor Hub
Outdoor agricultural deployments require low-power operation, CAN bus for tractor-implement networking (ISOBUS precursors), and robust ADC channels for soil-moisture and NPK-sensor interfaces. The PIC18F46K80-I/PT's 12-bit ADC and ECAN fit the requirements, while XLP sleep lets solar-charged nodes survive cloudy weeks. Industrial -40 C to +85 C temperature range tolerates direct mounting in field enclosures.
Empfohlen
Security & Access Control Panel
Access control panels in commercial security systems use the PIC18F46K80-I/PT to scan keypads, RFID readers, and door sensors while reporting events over a CAN or RS-485 network. The CTMU enables touch-capacitive keypads without external components, the 12-bit ADC reads analog tamper switches, and the 1024-byte EEPROM stores up to 100 user credentials with wear-leveling. Industrial temperature range supports outdoor and unheated vestibule mounting.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC18F46K80-I/PT – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC18F46K80T-I/PT | PIC18LF46K80-I/PT | PIC18F46K80-I/P | PIC18F46K80-E/ML | PIC18F45K80-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (PT) 10x10 mm | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin QFN (ML) - same footprint | 40-pin PDIP/TQFP - different (40-pin) |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB |
| RAM | 3648 bytes | 3648 bytes | 3648 bytes | 3648 bytes | 3648 bytes | 2048 bytes |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V (LF low-voltage) | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| ECAN Module | Yes | Yes | Yes | Yes | Yes | Yes |
| CTMU (Capacitive Touch) | Yes | Yes | Yes | Yes | Yes | Yes |
Wichtigste Unterscheidungsmerkmale
- Integrated ECAN 2.0B with hardware acceptance filtering (vs. PIC18F46K22-I/PT)
- 12-bit ADC vs 10-bit on prior generation (vs. PIC18F46K22-I/PT)
- nanoWatt XLP technology for sub-100 nA sleep (vs. PIC18F46K22-I/PT)
Designhinweise
Place a 100 nF decoupling capacitor on each VDD pin (44-TQFP pin 11 and pin 32) within 3 mm of the package, plus a single 10 uF bulk capacitor on the main VDD rail near the MCU. For ADC accuracy, place an additional 100 nF on the AVDD pin (pin 41) and a small ferrite bead between digital VDD and AVDD to isolate switching noise from the analog supply.
Keep the ECAN bus traces (CANTX pin 44, CANRX pin 43) short and matched - Microchip recommends a 100 ohm differential impedance with a twisted-pair or stripline routing. Place the CAN transceiver (e.g., MCP2561) within 50 mm of the MCU, with a 120 ohm termination resistor at each end of the bus. Avoid routing CAN traces near switching DC-DC converters or high-current traces to minimize EMI susceptibility.
Configuration words must be set correctly on first programming: enable the internal 8 MHz oscillator with PLL for 64 MHz operation, set the watchdog timer (WDT) to either off or with a generous postscaler, and configure the brown-out reset (BOR) voltage below the minimum operating rail. Forgetting to clear the IESO/FCMEN bits or leaving the factory-default extended WDT active can prevent reliable startup with low-voltage rails.
The ICSP pins (PGC pin 39, PGD pin 40) are also PORTB bits 6 and 7; ensure these lines are not driven externally during programming or in-circuit debugging. Add 10 kohm pull-ups on RB6/RB7 if external peripherals may otherwise interfere with the debugger. The MCLR pin (pin 1) requires a 10 kohm pull-up to VDD; never leave MCLR floating, or the part may randomly reset in noisy environments.
Compliance-Informationen
RoHS and REACH compliant per Microchip product page. Not specifically AEC-Q100 qualified for automotive - choose automotive-grade variant with explicit Q100 marking if required.