PIC18F6622-I/PT - 8-Bit 40MHz 64KB Flash MCU, 70 I/O, TQFP-64 | Microchip
MPN: PIC18F6622-I/PT ✓ AktifPIC18F6622-I/PT Ringkasan
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU, non-volatile program memory (flash), volatile data memory (RAM), and peripheral set on one die. The PIC18F family sits in Microchip's enhanced mid-range hierarchy: PIC10/12/16 baseline -> PIC18 enhanced 8-bit -> PIC24/dsPIC 16-bit -> PIC32 32-bit. Within power management taxonomy, MCUs are classified as embedded controllers inside the broader semiconductor IC family. PIC18F6622-I/PT specifically integrates nanoWatt power-management modes, making it ideal for battery-powered or energy-harvesting designs where idle current dominates.
Key features include 70 I/O pins, 12 channels of 10-bit ADC, two CCP modules, one Enhanced CCP (ECCP), two MSSP (I2C/SPI), two Enhanced USART (LIN-capable), two analog comparators, and a 16-bit timer. It also provides a parallel slave port for external bus expansion and an ICD-friendly in-circuit debug interface. The 64-pin TQFP exposes the full peripheral set with no multiplexing compromises for industrial and consumer designs.
Architecturally, the PIC18F6622-I/PT uses a Harvard RISC core with 16-bit instructions, 8-bit data path, hardware multiply, and a 31-level deep hardware stack. The nanoWatt technology incorporates run, idle, and sleep modes with on-the-fly oscillator switching, supporting currents in the microamp range during sleep with wake-up on interrupt, watchdog, or external events. The flash program memory is self-programmable under firmware control, enabling in-field firmware updates without external programmers.
Typical applications include industrial control panels, HVAC and building automation gateways, automotive LIN sub-net nodes, sensor hubs with multi-serial bridging, USB-to-UART bridges using the parallel slave port, and consumer appliances requiring high pin count with low sleep current. The large RAM and dual synchronous/dual asynchronous serial ports make it well suited to multi-protocol bridging firmware.
When designing with this device, ensure decoupling with 100 nF ceramic capacitors close to each VDD/VSS pair, keep analog and digital grounds separated at the ADC reference, and route the 40 MHz crystal traces short and symmetric for EMI compliance. The -I temperature grade (-40C to +85C) covers most commercial and industrial environments, while -E grade parts serve extended-temperature applications.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternatif penggantian untuk PIC18F6622-I/PT — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian PIC18F6622-I/PT (sama faktor bentuk dan footprint) — berbeda di dalam Package, Core Architecture, Timers, Operating Temperature, Program Memory (Flash).
PIC18F6722-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F6622-E/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F6527-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18F6627-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →PIC18F6680-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
PIC18F6622-I/PT Rating Maksimal & Karakteristik Listrik
| Core Architecture | PIC18 Enhanced 8-bit RISC |
| Program Memory (Flash) | 64 KB (32K x 16) |
| RAM | 4 KB |
| Data EEPROM | 1 KB |
| Maximum CPU Frequency | 40 MHz |
| Lebar Bus Data | 8-bit |
| Operating Voltage (VDD) | 2.0 V to 5.5 V |
| I/O Pins | 70 |
| ADC | 10-bit, 12 channels |
| Timers | 16-bit timers and 8-bit timers (multiple) |
| Communication Interfaces | 2x MSSP (I2C/SPI), 2x EUSART (LIN-capable) |
| CCP / ECCP Modules | 2x CCP + 1x ECCP |
| Analog Comparators | 2 |
| Paket | TQFP-64 (PT), 10x10 mm |
| Operating Temperature (I grade) | -40 C to +85 C |
| Tipe Mounting | Surface Mount |
| Level MSL | 3 (168 hours) |
| Status RoHS | Compliant |
Konfigurasi Pin PIC18F6622-I/PT
| Pin produk 1 | RG0 — General-purpose I/O / CCP3 |
| Pin produk 2 | RG1 — General-purpose I/O / TX2 |
| Pin produk 3 | RG2 — General-purpose I/O / RX2 |
| Pin produk 4 | RG3 — General-purpose I/O / CCP4 |
| Pin produk 5 | RG4 — General-purpose I/O / CCP5 |
| Pin produk 6 | MCLR — Master clear reset input (active low) |
| Pin produk 7 | OSC1 — Crystal/oscillator input |
| Pin produk 8 | OSC2 — Crystal/oscillator output |
| Pin produk 9 | RA0 — Analog input AN0 / CVref |
| Pin produk 10 | RA1 — Analog input AN1 |
| Pin produk 11 | RA2 — Analog input AN2 / Vref- |
| Pin produk 12 | RA3 — Analog input AN3 / Vref+ |
| Pin produk 13 | RA4 — Digital I/O / T0CKI |
| Pin produk 14 | RA5 — Digital I/O / AN4 / HLVDIN |
| Pin produk 15 | RA6 — Digital I/O / OSC1 alt |
| Pin produk 16 | RA7 — Digital I/O / OSC2 alt |
| Pin produk 17 | VSS — Ground |
| Pin produk 18 | VDD — Positive supply voltage |
| Pin produk 19 | RB0 — Digital I/O / INT0 / AN12 |
| Pin produk 20 | RB1 — Digital I/O / INT1 / AN10 |
| Pin produk 21 | RB2 — Digital I/O / INT2 / AN8 |
| Pin produk 22 | RB3 — Digital I/O / INT3 / AN9 / CCP2 |
| Pin produk 23 | RB4 — Digital I/O / AN11 |
| Pin produk 24 | RB5 — Digital I/O / AN13 / CCP3 |
| Pin produk 25 | RB6 — Digital I/O / PGC (ICD clock) |
| Pin produk 26 | RB7 — Digital I/O / PGD (ICD data) |
| Pin produk 27 | RC0 — Digital I/O / T1OSO / T13CKI |
| Pin produk 28 | RC1 — Digital I/O / T1OSI / CCP2 |
| Pin produk 29 | RC2 — Digital I/O / CCP1 |
| Pin produk 30 | RC3 — Digital I/O / SCL1 / SCK1 |
| Pin produk 31 | RC4 — Digital I/O / SDA1 / SDI1 |
| Pin produk 32 | RC5 — Digital I/O / SDO1 |
| Pin produk 33 | RC6 — Digital I/O / TX1 / CK1 |
| Pin produk 34 | RC7 — Digital I/O / RX1 / DT1 |
| Pin produk 35 | VSS — Ground |
| Pin produk 36 | VDD — Positive supply voltage |
| Pin produk 37 | RD0 — Digital I/O / PSP0 |
| Pin produk 38 | RD1 — Digital I/O / PSP1 |
| Pin produk 39 | RD2 — Digital I/O / PSP2 |
| Pin produk 40 | RD3 — Digital I/O / PSP3 |
| Pin produk 41 | RD4 — Digital I/O / PSP4 / SDO2 |
| Pin produk 42 | RD5 — Digital I/O / PSP5 / SDI2 / SDA2 |
| Pin produk 43 | RD6 — Digital I/O / PSP6 / SCK2 / SCL2 |
| Pin produk 44 | RD7 — Digital I/O / PSP7 / SS2 |
| Pin produk 45 | VSS — Ground |
| Pin produk 46 | VDD — Positive supply voltage |
| Pin produk 47 | RE0 — Digital I/O / AN5 / RD |
| Pin produk 48 | RE1 — Digital I/O / AN6 / WR |
| Pin produk 49 | RE2 — Digital I/O / AN7 / CS |
| Pin produk 50 | RE3 — Digital I/O / RD (alt) |
| Pin produk 51 | RE4 — Digital I/O |
| Pin produk 52 | RE5 — Digital I/O |
| Pin produk 53 | RE6 — Digital I/O |
| Pin produk 54 | RE7 — Digital I/O / CCP2 |
| Pin produk 55 | RF0 — Digital I/O / AN16 |
| Pin produk 56 | RF1 — Digital I/O / AN6 / C2OUT |
| Pin produk 57 | RF2 — Digital I/O / AN7 / C1OUT |
| Pin produk 58 | RF3 — Digital I/O / AN8 |
| Pin produk 59 | RF4 — Digital I/O / AN9 |
| Pin produk 60 | RF5 — Digital I/O / AN10 / C2IN- |
| Pin produk 61 | RF6 — Digital I/O / AN11 / C1IN- |
| Pin produk 62 | RF7 — Digital I/O / AN5 / SS1 |
| Pin produk 63 | VSS — Ground |
| Pin produk 64 | VDD — Positive supply voltage |
Aplikasi Umum
PIC18F6622-I/PT cocok untuk 6 aplikasis: Industrial Control Panels, HVAC and Building Automation Gateways, Automotive LIN Sub-Net Nodes, USB-to-UART Bridge with Parallel Slave Port, Multi-Sensor Hubs with Protocol Bridging, Consumer Appliance Controllers.
Industrial Control Panels
The PIC18F6622-I/PT is well suited to industrial control panels where 70 I/O pins drive keypad scanning, LED matrix displays, relay banks, and multiple sensor inputs. The 40 MHz CPU and 64 KB flash comfortably run Modbus RTU masters, PID control loops, and human-machine interface (HMI) state machines. Two EUSARTs allow simultaneous RS-485 master/slave bridging, while 12 ADC channels sample analog sensors without external muxes. The -40C to +85C industrial temperature range covers factory floor environments, and nanoWatt sleep modes cut power between operator interactions.
Direkomendasikan
HVAC and Building Automation Gateways
The PIC18F6622-I/PT serves as a multi-protocol gateway in HVAC and building automation, bridging BACnet MS-TP, Modbus, and LIN sub-nets through its two EUSARTs and two MSSP peripherals. The 4 KB RAM buffers telemetry packets while 64 KB flash stores protocol stacks, scheduling logic, and OTA bootloader. nanoWatt sleep modes with interrupt wake-up let the gateway idle between sensor polls, cutting power consumption below 10 uA in standby. The wide 2.0-5.5 V VDD range accepts 24V-derived rails after regulation, and the 10-bit ADC reads thermistor/resistive sensor inputs directly.
Direkomendasikan
Automotive LIN Sub-Net Nodes
The PIC18F6622-I/PT integrates LIN-capable Enhanced USART peripherals, making it suitable for automotive body-electronics LIN sub-net nodes controlling window lifters, mirror adjusters, seat controllers, and ambient lighting. The 70 I/O pins drive H-bridge drivers and LED PWM channels through the ECCP module, while the 12-channel 10-bit ADC reads position feedback and current sense. Per the Microchip datasheet, the LIN peripheral supports auto-baud detection and full LIN 1.3/2.0/2.1 compliance. Note that the I-grade temperature rating (-40C to +85C) suits cabin modules; under-hood applications should select the E-grade variant.
Direkomendasikan
USB-to-UART Bridge with Parallel Slave Port
The PIC18F6622-I/PT exposes a parallel slave port (PSP) that, combined with an external USB-to-parallel chip like the MCP2210, creates a high-throughput USB-to-UART/I2C/SPI bridge for legacy industrial equipment. The 40 MHz CPU handles USB enumeration and protocol translation without bottlenecks, while 64 KB flash stores HID or CDC class descriptors plus custom command sets. The dual EUSART supports two independent UART channels simultaneously, useful for debugging two serial buses through a single USB port. The nanoWatt sleep mode enables USB suspend compliance with <2.5 mA device current.
Direkomendasikan
Multi-Sensor Hubs with Protocol Bridging
The PIC18F6622-I/PT excels as a multi-sensor hub reading I2C sensors through MSSP, SPI devices through the second MSSP, and forwarding data over UART or back to a host MCU. The 4 KB RAM caches sensor fusion state, while the 12-channel 10-bit ADC monitors analog sensors in parallel. The 40 MHz CPU runs sensor fusion algorithms at 100 Hz while maintaining serial responsiveness. nanoWatt sleep modes with wake-on-interrupt let the hub idle between sensor reads, extending battery life in wireless sensor nodes.
Direkomendasikan
Consumer Appliance Controllers
The PIC18F6622-I/PT drives consumer appliances such as washing machines, dishwashers, and coffee machines where 70 I/O pins interface with keypads, displays, motor drivers, and water level sensors. The ECCP module generates PWM for motor speed control, while the 12-channel ADC monitors temperature, turbidity, and load weight. The 64 KB flash stores appliance firmware with multi-language UI strings, and 4 KB RAM buffers display refresh and motor state. The wide 2.0-5.5 V VDD accepts regulated supplies from universal mains adapters, and nanoWatt modes drop standby power below energy-star limits.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk PIC18F6622-I/PT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | PIC18F6722-I/PT | PIC18F6622-E/PT | PIC18F6527-I/PT | PIC18F6627-I/PT | PIC18F6680-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) - same | TQFP-64 (PT) - same | TQFP-64 (PT) - same | TQFP-64 (PT) - same | TQFP-64 (PT) - same |
| Program Flash | 64 KB | 128 KB | 64 KB | 48 KB | 96 KB | 64 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Maximum CPU Frequency | 40 MHz | 40 MHz | 25 MHz | 40 MHz | 40 MHz | 40 MHz |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| Temperature Grade | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| I/O Pins | 70 | 70 | 70 | 70 | 70 | 70 |
| CAN Module | No | No | No | No | No | Yes |
| Price (qty-1, USD) | $8.20 | $9.50 | $8.95 | $7.40 | $8.80 | $9.10 |
Diferensiator Kunci
- Dual MSSP + dual EUSART (LIN-capable) for four serial ports (vsPIC18F6527-I/PT)
- Larger flash headroom at the same price tier (vsPIC18F6527-I/PT)
- Industrial temperature grade with extended flash variants available (vsPIC18F6722-I/PT)
Catatan Desain
The PIC18F6622-I/PT operates from 2.0 V to 5.5 V at up to 40 MHz. Place a 100 nF decoupling capacitor within 5 mm of each VDD/VSS pair (pins 18/17, 36/35, 46/45, 64/63); add a bulk 10 uF tantalum or ceramic near the IC. For battery-powered designs, the nanoWatt sleep mode drops current below 1 uA typical with RTCC running - per the Microchip datasheet, use the on-the-fly oscillator switch to wake on interrupt without external circuitry.
Route the 40 MHz crystal traces (OSC1/OSC2, pins 7-8) within 5 mm of the MCU, symmetric and short with a ground guard ring. Keep analog traces (RA0-RA7, RF0-RF7, RE0-RE7) away from digital switching signals to minimize ADC crosstalk; if using the 12-channel 10-bit ADC for sub-LSB precision, place a 100 nF cap on Vref+ and use a separate analog ground island joined at one point. The PGC/PGD ICD pins (RB6/RB7) must be accessible for in-circuit debugging - do not place series resistors above 100 ohm.
Do not drive MCLR (pin 6) directly to VDD without a 10 kohm pull-up; a noisy reset line causes spurious restarts. When using the parallel slave port (RD0-RD7, RE0-RE2), the PSP control lines must be configured as digital I/O - leaving them as analog inputs disables PSP operation. The I grade temperature rating (-40C to +85C) is industrial range; do not specify this part for under-hood automotive without the E grade variant. Always configure unused I/O as outputs low to minimize sleep current.
Informasi Konformitas
RoHS and REACH compliant per Microchip product page; lead-free and halogen-free per datasheet. Not AEC-Q100 qualified; for automotive applications requiring AEC-Q100, consult Microchip for the PIC18F6622-I/PT automotive-grade equivalent. The I grade temperature range (-40C to +85C) covers industrial environments; select E grade parts for extended-temperature designs.