PIC18F8622-I/PT - 8-Bit MCU 40MHz 64KB Flash 70 I/O TQFP-80 | Microchip
N.º de pieza: PIC18F8622-I/PT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $9.45 | $9,45 |
| 10 | $8.62 | $86,20 |
| 100 | $7.65 | $765,00 |
| 500 | $6.88 | $3.440,00 |
| 1.000 | $6.12 | $6.120,00 |
| 3.000 | $5.4 | $16.200,00 |
PIC18F8622-I/PT Descripción general
What is an 8-bit Flash Microcontroller? A microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory, data RAM, peripheral set (timers, ADC, communication interfaces), and I/O on one die. An 8-bit MCU has a CPU data path eight bits wide; flash memory holds user code, can be reprogrammed in-circuit, and retains data without power. MCUs sit hierarchically under embedded processors, semiconductors, and integrated circuits, and serve as the decision-making element in nearly every modern electronic product from appliances to automotive ECUs to industrial control systems.
Key features of the PIC18F8622-I/PT include a 10-bit ADC with up to 16 input channels, two I2C/SPI synchronous serial ports, two USART (LIN-capable) asynchronous serial ports, two CCP modules plus an Enhanced CCP, two 8-bit and three 16-bit timers, and nanoWatt power-management technology for low-power operation. The instruction cycle of 200 ns at 40 MHz supports deterministic real-time control, and 100,000 erase/write-cycle flash endurance targets long-lifecycle industrial designs requiring decades of in-field operation.
The PIC18F8622 implements an enhanced Harvard architecture with separate program and data buses, a hardware multiply instruction, and prioritized interrupts. Its peripheral set supports parallel-slave port operation, enabling connection to external 8/16-bit bus masters for system expansion. nanoWatt Technology allows peripheral clock gating and multiple idle/sleep modes, reducing active current in duty-cycled applications such as battery-backed sensor hubs and remote monitoring nodes.
Typical applications include industrial control and HMI panels, automotive body and instrument-cluster ECUs, large low-power connectivity gateways with four serial ports, and embedded consumer devices requiring many digital I/O. The four integrated serial ports (2x I2C/SPI, 2x LIN-capable USART) are particularly valuable for node aggregation in sensor-hub and bridge designs where multiple buses converge on a single supervisory controller.
When designing with the PIC18F8622-I/PT, ensure the ICSP programming header is accessible for field firmware updates. Decouple VDD/VSS pairs with 100 nF X7R ceramics placed within 5 mm of each pin pair, and keep the 40 MHz crystal traces short and ground-guarded. The wide I/O count allows direct LCD bus multiplexing, but unused pins should be configured as outputs low to minimize current draw.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet - giving procurement and engineering teams a single reference for qualification, sourcing, and design-in decisions.
Alternativas directas para PIC18F8622-I/PT — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC18F8622-I/PT (mismo factor de forma y huella) — difiere en Package, Core Architecture, Operating Temperature, Timers, Program Memory (Flash).
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC18F8722-I/PT
✅ Sustitución directa✓ En stock
$6.5 / unidad
Ver hoja de datos →PIC18F8622-E/PT
✅ Sustitución directa✓ En stock
$8.65 / unidad
Ver hoja de datos →PIC18F8622T-I/PT
✅ Sustitución directa✓ En stock
$5.3 / unidad
Ver hoja de datos →PIC18LF8622-I/PT
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC18F8622-I/PT Valores máximos y características eléctricas
| Core Architecture | PIC18 enhanced 8-bit RISC Harvard |
| Program Flash Memory | 64 KB (32K x 16 words) |
| RAM | 4 KB |
| EEPROM | 1 KB |
| Maximum CPU Speed | 40 MHz (10 MIPS) |
| Instruction Cycle | 200 ns |
| General-Purpose I/O | 70 (shared with peripherals) |
| ADC | 10-bit, up to 16 channels |
| Synchronous Serial Ports | 2x (I2C / SPI) |
| Asynchronous Serial Ports | 2x USART (LIN-capable) |
| CCP Modules | 2 CCP + 1 ECCP |
| Timers | 2x 8-bit + 3x 16-bit |
| Encapsulado | 80-pin TQFP (12x12 mm) |
| Temperatura de funcionamiento | -40C to +85C (industrial) |
| Tensión de alimentación | 4.2 V to 5.5 V |
| Power Management | nanoWatt Technology |
| Flash Endurance | 100,000 erase/write cycles |
| Lead-Free / RoHS | Pb-Free, RoHS compliant |
Configuración de pines de PIC18F8622-I/PT
| Pin 1 | MCLR — Master Clear (reset) input, internal pull-up |
| Pin 2 | RA0 — PORTA bit 0 / analog AN0 |
| Pin 3 | RA1 — PORTA bit 1 / analog AN1 |
| Pin 4 | RA2 — PORTA bit 2 / analog AN2 |
| Pin 5 | RA3 — PORTA bit 3 / analog AN3 |
| Pin 6 | RA4 — PORTA bit 4 / analog AN4 / T0CKI |
| Pin 7 | RA5 — PORTA bit 5 / analog AN5 |
| Pin 8 | RE0 — PORTE bit 0 / analog AN6 / RD |
| Pin 9 | RE1 — PORTE bit 1 / analog AN7 / WR |
| Pin 10 | RE2 — PORTE bit 2 / analog AN8 / CS |
| Pin 11 | VDD — Positive supply voltage |
| Pin 12 | VSS — Ground reference |
| Pin 13 | OSC1 — Crystal/oscillator input (HS mode) |
| Pin 14 | OSC2 — Crystal/oscillator output (HS mode) |
| Pin 15 | RC0 — PORTC bit 0 / T1OSO/T1CKI |
| Pin 16 | RC1 — PORTC bit 1 / T1OSI |
| Pin 17 | RC2 — PORTC bit 2 / CCP1 |
| Pin 18 | RC3 — PORTC bit 3 / SCL1 (I2C1 clock) |
| Pin 19 | RC4 — PORTC bit 4 / SDA1 (I2C1 data) |
| Pin 20 | RC5 — PORTC bit 5 / SDO1 |
| Pin 21 | RC6 — PORTC bit 6 / TX1 / CK1 |
| Pin 22 | RC7 — PORTC bit 7 / RX1 / DT1 |
| Pin 23 | RD0 — PORTD bit 0 / PSP0 / SEG0 |
| Pin 24 | RD1 — PORTD bit 1 / PSP1 / SEG1 |
| Pin 25 | RD2 — PORTD bit 2 / PSP2 / SEG2 |
| Pin 26 | RD3 — PORTD bit 3 / PSP3 / SEG3 |
| Pin 27 | RD4 — PORTD bit 4 / PSP4 / SEG4 |
| Pin 28 | RD5 — PORTD bit 5 / PSP5 / SEG5 |
| Pin 29 | RD6 — PORTD bit 6 / PSP6 / SEG6 |
| Pin 30 | RD7 — PORTD bit 7 / PSP7 / SEG7 |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VDD — Positive supply voltage |
| Pin 33 | RB0 — PORTB bit 0 / INT0 / FLT0 |
| Pin 34 | RB1 — PORTB bit 1 / INT1 |
| Pin 35 | RB2 — PORTB bit 2 / INT2 / CCP2 |
| Pin 36 | RB3 — PORTB bit 3 / INT3 / CCP2 |
| Pin 37 | RB4 — PORTB bit 4 / KBI0 |
| Pin 38 | RB5 — PORTB bit 5 / KBI1 / PGM |
| Pin 39 | RB6 — PORTB bit 6 / KBI2 / PGC (ICSP clock) |
| Pin 40 | RB7 — PORTB bit 7 / KBI3 / PGD (ICSP data) |
| Pin 41 | AVDD — Analog supply voltage |
| Pin 42 | AVSS — Analog ground reference |
| Pin 43 | RF0 — PORTF bit 0 / analog AN10 |
| Pin 44 | RF1 — PORTF bit 1 / analog AN11 |
| Pin 45 | RF2 — PORTF bit 2 / analog AN12 |
| Pin 46 | RF3 — PORTF bit 3 / analog AN13 |
| Pin 47 | RF4 — PORTF bit 4 / analog AN14 |
| Pin 48 | RF5 — PORTF bit 5 / analog AN15 |
| Pin 49 | RF6 — PORTF bit 6 |
| Pin 50 | RF7 — PORTF bit 7 |
| Pin 51 | RG0 — PORTG bit 0 / ECCP3 |
| Pin 52 | RG1 — PORTG bit 1 / TX2 / CK2 |
| Pin 53 | RG2 — PORTG bit 2 / RX2 / DT2 |
| Pin 54 | RG3 — PORTG bit 3 / CCP4 / SDA2 |
| Pin 55 | RG4 — PORTG bit 4 / CCP5 / SCL2 |
| Pin 56 | RG5 — PORTG bit 5 / SDO2 |
| Pin 57 | RH0 — PORTH bit 0 |
| Pin 58 | RH1 — PORTH bit 1 |
| Pin 59 | RH2 — PORTH bit 2 |
| Pin 60 | RH3 — PORTH bit 3 |
| Pin 61 | RH4 — PORTH bit 4 |
| Pin 62 | RH5 — PORTH bit 5 |
| Pin 63 | RH6 — PORTH bit 6 |
| Pin 64 | RH7 — PORTH bit 7 |
| Pin 65 | RJ0 — PORTJ bit 0 |
| Pin 66 | RJ1 — PORTJ bit 1 |
| Pin 67 | RJ2 — PORTJ bit 2 |
| Pin 68 | RJ3 — PORTJ bit 3 |
| Pin 69 | RJ4 — PORTJ bit 4 |
| Pin 70 | RJ5 — PORTJ bit 5 |
| Pin 71 | RJ6 — PORTJ bit 6 |
| Pin 72 | RJ7 — PORTJ bit 7 |
| Pin 73 | RK0 — PORTK bit 0 / PSP0 |
| Pin 74 | RK1 — PORTK bit 1 / PSP1 |
| Pin 75 | RK2 — PORTK bit 2 / PSP2 |
| Pin 76 | RK3 — PORTK bit 3 / PSP3 |
| Pin 77 | RK4 — PORTK bit 4 / PSP4 |
| Pin 78 | RK5 — PORTK bit 5 / PSP5 |
| Pin 79 | RK6 — PORTK bit 6 / PSP6 |
| Pin 80 | RK7 — PORTK bit 7 / PSP7 |
Aplicaciones típicas
PIC18F8622-I/PT es adecuado para 6 aplicacións: Industrial Control and HMI Panels, Automotive Body and Instrument-Cluster ECUs, Low-Power Connectivity Gateways, Embedded Consumer Devices, Battery-Backed Remote Monitoring Nodes, LCD-Based Operator Interfaces.
Industrial Control and HMI Panels
The PIC18F8622-I/PT fits industrial HMI panels because of its 70 GPIO pins, 64 KB program flash, and four integrated serial ports handling sensor aggregation and LCD bus multiplexing. Its 10 MIPS throughput at 40 MHz executes PID loops and keypad scanning well within scan-cycle budgets of 10 ms typical. The 10-bit ADC with up to 16 channels handles analog feedback (thermistors, pressure transducers, 4-20 mA loops) without external ADC. nanoWatt technology reduces panel sleep current to microampere range when the operator is absent, extending backplane lifetimes.
Recomendado
Automotive Body and Instrument-Cluster ECUs
The PIC18F8622-I/PT suits automotive body controllers and instrument clusters where four serial ports (2x LIN-capable USART, 2x I2C/SPI) aggregate body-domain sensors and HVAC actuators. Its 40 MHz CPU and ECCP module drive backlight LEDs and stepper-motor gauges. Flash endurance of 100,000 erase/write cycles exceeds typical automotive lifetime requirements of 15-20 years. The E-suffix extended temp variant PIC18F8622-E/PT (rated -40C to +125C) handles under-hood thermal loads.
Recomendado
Low-Power Connectivity Gateways
The PIC18F8622-I/PT is ideal for sensor-hub gateways bridging four serial buses into a single aggregator because its dual I2C/SPI synchronous ports connect to short-distance sensor clusters and dual LIN-capable USARTs link to automotive or industrial sensor nodes. With nanoWatt Technology and peripheral clock gating, the device draws microampere-level sleep current with RTCC retention, enabling battery-backed installs in remote locations. The 64 KB flash accommodates protocol translators for Modbus, LIN, and custom sensor frames.
Recomendado
Embedded Consumer Devices
The PIC18F8622-I/PT is widely used in consumer appliances (washing machines, dishwashers, HVAC controllers) where 70 GPIO drive user-interface keypads, LED indicators, character LCDs, and motor-driver interfaces without external bus extenders. Its 4 KB RAM and 1 KB EEPROM accommodate set-point storage and runtime state without external memory. The industrial -40C to +85C temperature grade survives appliance thermal environments. In-circuit serial programming (ICSP) lets production flash firmware on the populated PCB, eliminating socket-programming steps.
Recomendado
Battery-Backed Remote Monitoring Nodes
The PIC18F8622-I/PT is well-suited to remote battery-powered sensor nodes because nanoWatt Technology with peripheral clock gating enables <2 uA sleep current while keeping RTCC and ADC bias alive. Its four serial ports aggregate sensor data from local I2C/SPI peripherals before bursting over a UART link. With 64 KB program flash it accommodates over-the-air firmware update stubs without external memory. Industrial -40C to +85C operation ensures field reliability across unconditioned outdoor enclosures.
Recomendado
LCD-Based Operator Interfaces
The PIC18F8622-I/PT supports parallel-character LCD interfaces directly via its 70 GPIO pins, addressing up to 8-bit data plus 6 control lines without external bus drivers. Its 10 MIPS throughput refreshes 4x40 character displays without flicker. The 64 KB flash stores multiple language tables and menu hierarchies for multi-region products. Internal EEPROM (1 KB) preserves user settings across power cycles, eliminating backup batteries in operator interfaces.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC18F8622-I/PT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC18F8722-I/PT | PIC18F8622-E/PT | PIC18F8622T-I/PT | PIC18LF8622-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-pin TQFP (12x12 mm) | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same |
| Program Flash | 64 KB | 128 KB (+100%) | 64 KB | 64 KB | 64 KB |
| RAM | 4 KB | 8 KB (+100%) | 4 KB | 4 KB | 4 KB |
| EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| CPU Speed | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS (LF requires 2-3.6V) |
| GPIO Pins | 70 | 70 | 70 | 70 | 70 |
| Supply Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 3.6 V (low-voltage variant) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +85C (industrial) | -40C to +85C (industrial) |
Diferenciadores clave
- Highest pin count in the legacy PIC18F family at 80-pin TQFP (frente a PIC18F6622-I/PT)
- Upgradable flash path to PIC18F8722 (128 KB) (frente a PIC18F8722-I/PT)
- Industrial and extended temperature variants in same footprint (frente a PIC18F8622-E/PT)
Notas de diseño
Decouple each VDD/VSS pin pair (pins 11/12, 31/32 and AVDD/AVSS on 41/42) with 100 nF X7R ceramic placed within 5 mm of the pin. Add a bulk 10 uF tantalum or aluminum-polymer capacitor adjacent to the MCU. The internal voltage regulator requires the bulk cap to handle inrush during Flash programming pulses; insufficient decoupling can cause programming failures. Estimated: total in-rush at 13V Vpp with 10 nF load is <50 mA under steady state, but transient peaks during bulk erase can draw 100-200 mA for milliseconds.
Route the 40 MHz primary oscillator traces (OSC1, OSC2) on the top layer over a continuous ground pour with trace length under 10 mm and series resistance below 50 milliohms per side. Place the crystal within 8 mm of the MCU on the same side. Avoid routing digital signals (PORTD, PORTK for parallel slave port) directly under the crystal can. Keep the ICSP test points (PGC/PGD on RB6/RB7) accessible on the PCB edge for in-circuit programming access.
Do not leave unused I/O pins floating. Configure unused pins as outputs driving low to minimize current draw (typically saves 50-200 uA per pin in nanWatt sleep mode). Configure the MCLR pin with the recommended 10 kohm pull-up to VDD and 100 nF cap to VSS for brown-out immunity. When migrating from PIC18F8722 software, verify the flash size mapping in the linker script and update configuration bits (CONFIG1L CONFIG1H CONFIG2L CONFIG2H CONFIG3L CONFIG3H CONFIG4L CONFIG5L) since memory layout differs at the 64KB boundary.
For the parallel slave port (PORTD + PORTE RE0-RE2 + PORTJ + PORTK), group the bus signals on adjacent layers with matched trace lengths within 5 mm to avoid setup/hold violations at 40 MHz. Place 33 ohm series termination on PSP data and address lines if the bus is longer than 50 mm. Keep analog inputs (AN0-AN15 on PORTA/PORTE/PORTF) physically separated from PORTK digital outputs by at least one ground trace to prevent ADC crosstalk during parallel-slave-port transactions.
Información de cumplimiento
Pb-Free lead finish per Microchip product page. RoHS and REACH SVHC compliant per manufacturer declaration. AEC-Q100 not qualified - if AEC-Q100 is required, evaluate PIC18F8622-E/PT in context of overall automotive system qualification.