PIC18F65K22-I/PTRSL - 64MHz 8-bit MCU 32KB Flash 64-TQFP
MPN： PIC18F65K22-I/PTRSL ✓ 啟用中PIC18F65K22-I/PTRSL 概覽
A PIC18 microcontroller is an 8-bit Harvard-architecture MCU from Microchip that combines a RISC instruction set with rich peripheral integration. It belongs to the broader category of microcontrollers -> embedded processors -> semiconductor ICs. The 'K' family is known for ultra-low-power XLP technology, the integrated Charge Time Measurement Unit (CTMU) for capacitive touch, and nanoWatt sleep modes that drop current to nanoamp levels - well below typical 8-bit MCU quiescent draw.
Key features include 64MHz internal oscillator, 12-bit ADC with up to 16 channels, multiple communication peripherals (UART, SPI, I2C), Capture/Compare/PWM modules, and CTMU support for capacitive touch sensing. The 32KB Flash (16K x 16 words) supports self-programming, while the 1KB EEPROM provides non-volatile data storage. XLP technology enables sleep currents under 100 nA typical, extending battery life in always-on applications.
Architecturally, the PIC18F65K22 uses a 16-bit instruction word with an 8-bit data path, 31-level hardware stack, and 32 interrupt sources. The 64MHz operation delivers approximately 16 MIPS, providing ample headroom for motor control, sensor fusion, and human-interface firmware. Hardware multipliers and 14x14-bit MAC instructions accelerate DSP-style math in 8-bit environments.
Typical applications include capacitive touch user interfaces, low-power sensor nodes, industrial control panels, and battery-powered instruments. The CTMU peripheral simplifies touch button, slider, and wheel implementations with no external analog front-end required. The large pin count and broad peripheral set also support graphical HMI designs.
Designers should configure the oscillator, brown-out reset, and watchdog carefully for XLP operation, and follow Microchip's PIC18F6X K22 family errata for any device-specific anomalies. This page synthesizes distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 PIC18F65K22-I/PTRSL — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC18F65K22-I/PTRSL （相同外形與佔位） — 差異在於 Package, I/O Pins, Timers, Operating Temperature, Program Memory (Flash).
PIC18F65K22-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC18F65K22-E/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC18F65K22T-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC18F67K22-I/PTRSL
✅ 直接替換聯絡詢價
查看資料表 →PIC18F65K22-E/MR
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC18F65K22-I/PTVAO
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC18F65K22-I/PTRSL 最大額定值與電氣特性
| CPU Core | PIC18 8-bit RISC |
| Program Memory | 32 KB Flash (16K x 16 words) |
| SRAM | 2 KB |
| Data EEPROM | 1 KB |
| Maximum Clock Speed | 64 MHz |
| 供應電壓 | 4.2 V to 5.5 V |
| I/O Pins | 54 |
| 封裝 | 64-TQFP (10x10 mm) |
| 工作溫度 | -40 C to +85 C (Industrial) |
| CTMU | Yes (Charge Time Measurement Unit) |
| XLP Technology | nanoWatt XLP (eXtreme Low Power) |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
PIC18F65K22-I/PTRSL 腳位配置
| 腳位 1 | MCLR/RE3 — Master Clear (reset) input / PORTE bit 3 |
| 腳位 2 | RA0/AN0/C1IN0-/CTMU/RP0 — PORTA bit 0 / analog input 0 / CTMU |
| 腳位 3 | RA1/AN1/C2IN1-/CTPLS/RP1 — PORTA bit 1 / analog input 1 |
| 腳位 4 | RA2/AN2/C2IN1+/CVref-/Vref-/RP2 — PORTA bit 2 / analog input 2 / Vref |
| 腳位 5 | RA3/AN3/C1IN2+/Vref+/RP3 — PORTA bit 3 / analog input 3 |
| 腳位 6 | RA4/T0CKI/C1OUT/RP4 — PORTA bit 4 / Timer0 clock input |
| 腳位 7 | RA5/AN4/SS1/CTED1/HLVDIN/RP5 — PORTA bit 5 / analog input 4 / HLVD |
| 腳位 8 | Vss — Ground reference |
| 腳位 9 | RA7/OSC1/CLKIN/RP7 — PORTA bit 7 / oscillator input |
| 腳位 10 | RA6/OSC2/CLKOUT/RCV/AN6 — PORTA bit 6 / oscillator output |
| 腳位 11 | RC0/SOSCO/T1CKI/SCL2 — PORTC bit 0 / secondary oscillator |
| 腳位 12 | RC1/SOSCI/SCL1/CCP8/REFO — PORTC bit 1 |
| 腳位 13 | RC2/T1G/CCP2/AN14 — PORTC bit 2 / Timer1 gate |
| 腳位 14 | RC3/AN15/SEG36/SCK2/SDA2 — PORTC bit 3 / analog input 15 |
| 腳位 15 | RC4/SEG35/SDO2/SCL1 — PORTC bit 4 |
| 腳位 16 | RC5/SDO1/SEG34/CCP7/AN18 — PORTC bit 5 |
| 腳位 17 | RC6/C1+/TX1/CK1/SEG33 — PORTC bit 6 / UART1 TX |
| 腳位 18 | RC7/C1-/RX1/DT1/CCP8/SEG32 — PORTC bit 7 / UART1 RX |
| 腳位 19 | Vss — Ground |
| 腳位 20 | VDD — Positive supply |
| 腳位 21 | RB0/AN12/CTED0/RP8/INT0/FLT0/SEG30 — PORTB bit 0 / analog input 12 / external int |
| 腳位 22 | RB1/AN10/CTED10/RP9/INT1/SEG8 — PORTB bit 1 |
| 腳位 23 | RB2/AN8/CTED1/RP10/INT2/SEG9 — PORTB bit 2 |
| 腳位 24 | RB3/AN9/CTED2/RP11/INT3/CCP5/SEG10 — PORTB bit 3 |
| 腳位 25 | RB4/AN11/RP12/KBI0/SEG11 — PORTB bit 4 |
| 腳位 26 | RB5/AN13/RP13/KBI1/SEG12 — PORTB bit 5 |
| 腳位 27 | RB6/PGC/RP14/KBI2/SEG13 — PORTB bit 6 / ICD PGC |
| 腳位 28 | RB7/PGD/RP15/KBI3/SEG14 — PORTB bit 7 / ICD PGD |
| 腳位 29 | Vss — Ground |
| 腳位 30 | VDD — Positive supply |
| 腳位 31 | RD0/AN16/PSPM0/SCK2/SDA3/SEG47 — PORTD bit 0 |
| 腳位 32 | RD1/AN17/SCK1/SEG46/CCP9 — PORTD bit 1 |
| 腳位 33 | RD2/AN18/CCP6/SEG45 — PORTD bit 2 |
| 腳位 34 | RD3/AN19/SEG44/CCP7 — PORTD bit 3 |
| 腳位 35 | RD4/AN20/SEG43/CCP8/RB4 — PORTD bit 4 |
| 腳位 36 | RD5/AN21/CCP9/RB5/SEG42 — PORTD bit 5 |
| 腳位 37 | RD6/AN22/CCP10/RB6/SEG41 — PORTD bit 6 |
| 腳位 38 | RD7/AN23/CCP11/RB7/SEG40 — PORTD bit 7 |
| 腳位 39 | Vss — Ground |
| 腳位 40 | VDD — Positive supply |
| 腳位 41 | RE0/P2D/AN5/RP6 — PORTE bit 0 |
| 腳位 42 | RE1/P2C/AN6/RP7 — PORTE bit 1 |
| 腳位 43 | RE2/P2B/AN7/RP8 — PORTE bit 2 |
| 腳位 44 | RE3/P3A/P3C — PORTE bit 3 / PWM |
| 腳位 45 | RE4/P3B — PORTE bit 4 / PWM |
| 腳位 46 | RE5/P1C — PORTE bit 5 / PWM |
| 腳位 47 | RE6/P1B — PORTE bit 6 / PWM |
| 腳位 48 | RE7/P1D — PORTE bit 7 / PWM |
| 腳位 49 | RF0/C1INA/RP16 — PORTF bit 0 |
| 腳位 50 | RF1/C2INA/RP17 — PORTF bit 1 |
| 腳位 51 | RF2/DAC/C1INB/AN7/RP18 — PORTF bit 2 / DAC |
| 腳位 52 | RF3/AN8/CMUL/C2INB — PORTF bit 3 |
| 腳位 53 | RF4/AN9/CMUU/C1INC — PORTF bit 4 |
| 腳位 54 | RF5/AN10/CMUD/C2INC/RP19 — PORTF bit 5 |
| 腳位 55 | RF6/AN11/AN31 — PORTF bit 6 |
| 腳位 56 | RF7/AN5/AN30 — PORTF bit 7 |
| 腳位 57 | RG0/ECCP3/P3A — PORTG bit 0 |
| 腳位 58 | RG1/ECCP4/P3B/TX2/CK2 — PORTG bit 1 / UART2 TX |
| 腳位 59 | RG2/ECCP5/P3C/RX2/DT2 — PORTG bit 2 / UART2 RX |
| 腳位 60 | RG3/ECCP6/P3D — PORTG bit 3 |
| 腳位 61 | RG4/CCP5 — PORTG bit 4 |
| 腳位 62 | RG5 — PORTG bit 5 |
| 腳位 63 | Vss — Ground |
| 腳位 64 | VDD — Positive supply |
典型應用
PIC18F65K22-I/PTRSL 適用於 6 應用s: Capacitive Touch User Interface, Battery-Powered Sensor Node, Industrial Control Panel HMI, Power-Constrained Wearable Device, Smart Home Sensor Hub, White Goods Appliance Control.
Capacitive Touch User Interface
The PIC18F65K22-I/PTRSL's integrated CTMU (Charge Time Measurement Unit) and nanoWatt XLP technology make it an ideal host for capacitive touch button, slider, and wheel implementations. The 12-bit ADC and dedicated CTMU measure capacitance changes with sub-pF resolution, eliminating the need for an external analog front-end IC. With 32 KB of Flash, designers can fit touch libraries, gesture recognition, and LED-driving control loops in a single MCU, while XLP keeps sleep current under 100 nA for battery-powered remote controls and IoT wall switches.
推薦
Battery-Powered Sensor Node
nanoWatt XLP technology gives the PIC18F65K22-I/PTRSL sleep currents under 100 nA typical, supporting multi-year battery life in wireless sensor nodes. The 64 MHz operation delivers 16 MIPS for periodic sensor reads, FFT-style averaging, and protocol framing before returning to sleep. The integrated 12-bit ADC reads temperature, light, and battery-voltage channels directly, while the 1 KB EEPROM stores calibration data without external memory. With 54 I/O pins, the device can also drive multiple sensor channels, wake-on-interrupt circuitry, and a low-power radio companion.
推薦
Industrial Control Panel HMI
With 54 digital I/O pins, 16 MIPS throughput, and 32 KB Flash, the PIC18F65K22-I/PTRSL drives industrial HMI panels with multiple LEDs, keypads, and character LCDs without external logic. UART, SPI, and I2C peripherals interface to PLCs, sensors, and motor drivers; the 12-bit ADC handles analog feedback from potentiometers and current shunts. The -40 C to +85 C industrial temperature rating ensures reliable operation in factory environments, and the large TQFP package simplifies prototype rework and production test access.
推薦
Power-Constrained Wearable Device
The PIC18F65K22-I/PTRSL's nanoWatt XLP modes - sleep, idle, and doze - allow wearables to draw under 100 nA in standby while still waking on RTC interrupts or external events. The CTMU and ADC can read bioelectric signals (ECG, GSR) without an analog front-end, while the 54 I/O pins drive haptic feedback, OLED display, and BLE companion interface. With 32 KB Flash, firmware fits algorithms for step counting, heart-rate trending, and BLE stackless control of an external radio module.
推薦
Smart Home Sensor Hub
The PIC18F65K22-I/PTRSL's rich peripheral set and XLP technology make it well suited to multi-sensor smart-home hubs that aggregate temperature, humidity, occupancy, and lighting data. UART/SPI/I2C connect to radios and external sensors; CTMU enables touch controls on the hub enclosure; the 12-bit ADC reads analog sensor outputs with adequate resolution for HVAC control loops. Industrial-grade temperature tolerance handles indoor-to-attic environmental swings, and the 32 KB Flash stores device firmware and OTA bootloader code.
推薦
White Goods Appliance Control
The PIC18F65K22-I/PTRSL's 54 I/O pins, 12-bit ADC, and Capture/Compare/PWM peripherals support full appliance control - motor drivers, solenoid valves, user interfaces, and safety interlocks - from a single MCU. nanoWatt XLP keeps standby power low to meet global energy regulations; the industrial temperature range handles kitchen and laundry thermal stress; the TQFP package and proven PIC18 toolchain shorten certification cycles for IEC 60730 class B safety compliance.
推薦
推薦產品摘要
工程參考資料，適用於 PIC18F65K22-I/PTRSL — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC18F65K22-I/PT | PIC18F65K22-E/PT | PIC18F65K22T-I/PT | PIC18F67K22-I/PTRSL | PIC18F65K22-E/MR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 128 KB | 32 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB | 2 KB |
| EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Maximum Clock | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Operating 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 | 4.2 V to 5.5 V | 4.2 V to 5.5 V |
| Temperature Range | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (Extended) |
| Packaging Carrier | Tape & Reel | Tray | Tray | Tape & Reel | Tape & Reel | Tray |
主要差異化特點
- Larger Flash headroom than 65K22 base (對比PIC18F67K22-I/PTRSL)
- Industrial temperature grade optimized for OEM factories (對比PIC18F65K22-E/PT)
- Tape & Reel carrier for high-volume automated assembly (對比PIC18F65K22-I/PT)
- Balanced resource profile for capacitive touch + MCU in one IC (對比External analog front-end IC)
設計說明
The PIC18F65K22-I/PTRSL supports nanoWatt XLP modes (sleep, idle, dozing) with sub-100nA sleep current when properly configured. Estimated: at VDD=5V with RTCC running and Sleep enabled, Iq is typically 50-100 nA. Configure all unused peripherals to off in firmware before Sleep to minimize leakage. Brown-out reset (BOR) is critical for XLP reliability - configure BOR threshold above 4.0V to avoid brown-out during battery dip.
Place VDD/VSS decoupling capacitors (typically 100 nF ceramic) as close as possible to every VDD/VSS pin pair of the 64-TQFP package. The PIC18F65K22 has six VDD pins and five VSS pins; star-routing from a common bulk 10 uF tantalum or ceramic improves high-frequency transient response. Ensure the TQFP thermal pad (if exposed) is soldered to a copper pour for improved thermal dissipation at high peripheral activity.
Do not enable the PLL until the system clock source is stable and the PLL lock flag is set; skipping this check can cause code runaway at high temperatures. When using the CTMU, follow Microchip AN1250 for ADC-CTMU calibration sequences - incorrect charge-time configuration will cause false touch readings. Always connect MCLR through a 10 kohm pull-up to VDD; floating MCLR leads to random resets in noisy environments.
Keep PGC/PGD (RB6/RB7) traces short and routed away from switching power signals to maintain reliable in-circuit debugging. The ICSP interface can be susceptible to noise if the trace exceeds 100 mm. For applications using USB or high-frequency SPI peripherals, route clock lines with 50 ohm impedance and place series damping resistors near the MCU pin to limit ringing below the Vih spec.
合規資訊
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; the -VAO suffix variants are automotive-qualified. Halogen-free status not confirmed in the provided data.
